| Names | |
|---|---|
| Preferred IUPAC name | 1,3-dioxolan-2-one |
| Other names | Carbonic acid, ethylene ester 1,3-Dioxolan-2-one Ethylene glycol carbonate Monomeric ethylene carbonate Glycol carbonate |
| Pronunciation | /ˈɛθ.ɪˌliːn ˈkɑːr.bə.neɪt/ |
| Identifiers | |
| CAS Number | 96-49-1 |
| Beilstein Reference | 1207882 |
| ChEBI | CHEBI:7756 |
| ChEMBL | CHEMBL1230939 |
| ChemSpider | 68281 |
| DrugBank | DB11263 |
| ECHA InfoCard | 03b38eaf-8a5c-4b24-ab81-73707c3c9828 |
| EC Number | 203-498-1 |
| Gmelin Reference | 8477 |
| KEGG | C06320 |
| MeSH | D004979 |
| PubChem CID | 6205 |
| RTECS number | KI5775000 |
| UNII | KEG20TTB71 |
| UN number | UN2379 |
| Properties | |
| Chemical formula | C3H4O3 |
| Molar mass | 88.06 g/mol |
| Appearance | White crystalline solid |
| Odor | Odorless |
| Density | 1.321 g/cm3 |
| Solubility in water | Soluble |
| log P | -0.32 |
| Vapor pressure | 0.03 mmHg (20°C) |
| Acidity (pKa) | 16.44 |
| Basicity (pKb) | pKb: 1.48 |
| Magnetic susceptibility (χ) | -5.7×10⁻⁶ |
| Refractive index (nD) | 1.415 |
| Viscosity | 12.6 mPa·s |
| Dipole moment | 4.90 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 90.7 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -699.9 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1532.2 kJ/mol |
| Pharmacology | |
| ATC code | V09AX04 |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS07,GHS05 |
| Signal word | Warning |
| Hazard statements | H302, H319, H332 |
| Precautionary statements | P264, P280, P302+P352, P305+P351+P338, P310 |
| NFPA 704 (fire diamond) | 2-1-1 |
| Flash point | > 140 °C |
| Autoignition temperature | 395°C |
| Explosive limits | Explosive limits: 3-16% (in air) |
| Lethal dose or concentration | LD50 (oral, rat): 10,000 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral-rat LD50: 10,000 mg/kg |
| NIOSH | KW2975000 |
| PEL (Permissible) | PEL: 100 mg/m³ |
| IDLH (Immediate danger) | IDLH: 200 mg/m3 |
| Related compounds | |
| Related compounds | Propylene carbonate Dimethyl carbonate Ethylene glycol Urea 1,2-Dioxolan-3-one |
| Property | Description |
|---|---|
| Product Name | Ethylene Carbonate |
| IUPAC Name | 1,3-Dioxolan-2-one |
| Chemical Formula | C3H4O3 |
| CAS Number | 96-49-1 |
| Synonyms & Trade Names | Ethylene glycol carbonate, 1,3-Dioxolan-2-one, UN 3077 (for transport), EC |
| HS Code & Customs Classification | 2920.90 (Customs authorities may adjust depending on final product composition and intended use.) |
Production of ethylene carbonate relies on ethylene oxide reacting with carbon dioxide under catalytic conditions. The process route is selected based on feedstock purity, regional raw material price swings, and final grade requirements. Choice of catalyst and process temperature influences byproduct levels and specific impurity profile. Key quality factors—moisture content, color, and residual ethylene glycol—require strict internal controls. Finished product from different units, even within the same facility, can show variation traceable to catalyst condition, cleaning cycles, and batch timing.
Assessment of grade for downstream users depends on moisture sensitivity of lithium battery electrolyte blending, or thermal stability for polycarbonate manufacturing. Each downstream application sets its own impurity tolerance; for electronic or pharmaceutical grades, trace residuals and color require additional purification steps such as distillation and filtration through proprietary adsorbents. Our in-process controls log conductivity, acid number, and color index at multiple stages to detect batch drift early. Minor impurities, including chlorides, can stem from raw material supply changes or equipment maintenance events—not only from the base reaction—and can result in off-grade material unless addressed quickly.
Customs and HS code allocation for ethylene carbonate sometimes triggers regulatory dialogue, especially when traded in mixed containers or for dual-use (chemical versus battery) applications. Clear documentation specifying chemical nature and intended industrial use helps expedite border movement. We recommend buyers verify the latest local customs code requirements prior to shipment, as reclassification can impact import taxes and licensing obligations. Typical values depend on grade and application requirements; the final release standard is subject to internal quality control criteria and customer requirements.
In industrial production, ethylene carbonate is observed as a clear, odorless solid at room temperature, typically presented as a crystalline powder or granule. Some batches with trace impurities may exhibit slight coloration, which is typically addressed during purification. The melting point usually exceeds 30°C, and purity levels strongly affect the melting profile—high-purity material forms sharply, low-purity material displays a broader takeup. Boiling occurs under reduced pressure in manufacturing due to thermal degradation risks at atmospheric pressure.
Handling and transfer routines must factor in its tendency to absorb moisture, especially in open atmospheric conditions. Odor is generally negligible but detectable when the product begins to degrade or hydrolyze, signaling improper storage or container compatibility issues.
Ethylene carbonate displays good stability under strictly controlled moisture and temperature. Reactive toward strong acids, bases, and nucleophiles; product stability directly connects to the exclusion of trace alkali or moisture after manufacture. Exposure to elevated temperature or base catalysts triggers polymerization or decomposition, which can increase impurity levels and impact downstream use. Quality-sensitive applications (e.g., electrolytes) demand low-moisture, low-alkali batches for consistent reactivity.
Solubility varies by end-use grade. High-purity grades dissolve completely in typical organic solvents such as dimethyl carbonate and propylene carbonate, supporting use in battery and specialty chemical formulations. Lower-purity, water-containing grades show partial solubility or haze in finished solutions, impacting performance in high-spec end uses. Manufacturers recommend preparing solutions in inert atmospheres for battery or pharmaceutical processing to limit hydrolysis.
| Property | Battery Grade | Industrial Grade |
|---|---|---|
| Purity (GC) | Depends on market/customer spec; high-purity required | Specification varies by customer/region |
| Moisture Content | Tightly controlled; low ppm | Grade-dependent; typically higher |
| Color (APHA) | Typically low | Wider range acceptable |
| Acidity/Alkalinity | Low (critical for sensitive processing) | Process-dependent |
| Heavy Metals | Spec depends on downstream application | Not always specified |
Specific product specifications are defined internally and jointly with end-users, with each batch released against agreed technical criteria for the intended application.
Major impurities can include ethylene glycol, water, volatile organics, and catalyst carryovers, each arising from incomplete reaction, hydrolysis, or process side-reactions. Battery and pharma end-users require ultra-trace impurity control, while industrial grades accept a wider impurity window. Detection employs GC, KF, and colorimetric methods, with internal and customer-driven acceptance limits.
Test method selection aligns with regional regulatory frameworks and customer requirements. Standard techniques include GC for purity/impurities, Karl Fischer for water, and UV/Vis for color. Reference standards vary between customers and jurisdictions, and are fully specified in QC documents, not universal across all grades.
Raw material selection focuses on quality and consistency. Ethylene oxide and high-purity carbon dioxide represent the standard feedstocks, with supplier prequalification based on impurity content and batch-to-batch consistency. Alternate sourcing routes create different byproduct profiles, affecting downstream purification burden.
Ethylene carbonate forms via catalytic carboxylation of ethylene oxide with CO2. Proprietary catalyst systems—often alkali or metal-based—determine process yield, impurity formation, and throughput. Route choice depends on end-use purity targets, environmental controls, and raw material economics.
The process features tight control of temperature, pressure, and feed ratios to minimize side-reactions and excess glycol formation. In-process analysis at key stages (reaction, isolation, recrystallization) provides early out-of-spec detection. Purification uses a sequence of distillation and crystallization steps tailored to customer requirements; for high-spec grades, additional drying and filtration eliminate trace water and insolubles.
Batch release draws from validated in-process controls and finished product testing. Each batch is assessed against a defined specification envelope agreed with the customer, with traceability through retained samples and manufacturing trace logs. Consistency relies on rigorous operator training and a closed feedback loop with end-users.
In industrial and research use, ethylene carbonate reacts as an electrophile due to its cyclic carbonate structure. Transesterification, ring-opening (for glycols and polycarbonates), and aminolysis are major downstream chemistries. Reaction control depends heavily on catalyst selection, temperature, and solvent purity.
Reactivity depends on grade and type of downstream process. High-purity, low-moisture material supports precise catalysis and predictable product output, important for battery electrolyte and high-performance polymer applications. Basic or metal catalysts are generally used; moisture and alkali content in the feedstock can shift product profiles substantially.
Ethylene carbonate acts as a precursor to high-purity ethylene glycol, dimethyl carbonate, and as a key intermediate in battery electrolyte formulation. The extent and selectivity of modification strongly depend on starting material purity, reaction controls, and contaminant exclusion.
Ethylene carbonate must be stored at controlled ambient temperatures to prevent melting and agglomeration. For high-purity grades, low-humidity environments and nitrogen or argon blanketing help avoid hydrolysis. Prolonged exposure to light or heat increases impurity formation, monitored by regular QC sampling.
Containers must withstand cyclic thermal and moisture changes; lined steel, HDPE, or specialty glass are common. Stainless steel or aluminum may be suitable if passivated. Cap and seal integrity become critical for low-moisture grades.
Shelf life depends on storage compliance and the material grade. Visible clumping, increased coloration, or detectable odor signal degradation. Quality control establishes clear acceptance criteria for ongoing inventory sampling.
The globally harmonized classification varies by regional listing. Ethylene carbonate is not acutely toxic but may irritate eyes or skin on contact. Chronic exposure data remains limited and should be regularly reviewed.
Product handling requires eye/skin protection and mechanical ventilation during bulk dissolution or transfer. Accidental overexposure, especially during high-temp reactions, increases risk of thermal decomposition and off-gassing.
Available toxicity data points to low acute mammalian toxicity; variations occur depending on test model and route of exposure. Lower-grade batches containing glycols or other byproducts may elevate risk.
No universally accepted occupational exposure limit exists for all jurisdictions. Plant handling policies mandate closed handling systems, spill containment, and exposure monitoring where hot process streams are in use.
Ethylene carbonate production depends on raw material supply, process route selection, and plant optimization. Facilities running the ethylene oxide plus carbon dioxide process often schedule campaigns based on EO availability, which remains tied to local cracker output and regional demand for EO derivatives. In regions such as East Asia, seasonal maintenance at large EO facilities can impact available capacity. Grade selectivity and purification demand (battery, energy storage, specialty grades) also adjust available finished inventory, as tighter purity specs require longer runs and lower batch yields.
Lead time varies. Standard commodity grades may ship within 2-3 weeks from contract confirmation. Custom specifications (electrolyte, pharmaceutical) require extended QC release and sometimes additional purification or reprocessing, which extends lead times. Factory MOQs align with line flushing and packaging logistics; MOQ for drum-packed material exceeds that for isotank or bulk, as drum cleaning, filling, and labeling add complexity.
Packaging format responds to both customer infrastructure and downstream application needs. Industry deployments typically see 200-liter drums, 1,000-liter IBCs, and isotank containers. Larger customers (battery, polycarbonate synthesis) prefer isotank shipments for cost efficiency and to minimize contamination risk. Purity-sensitive sectors expect nitrogen-purged or vacuum-sealed containers. Our internal protocol defines container suitability after risk analysis on permeation, evaporation, and impurity uptake.
Shipping aligns with Incoterms as negotiated with the customer. Common practice prioritizes EXW and FOB shipments, particularly for bulk contracts, given the regulatory oversight at major ports handling regulated chemicals. Payment terms reflect buyer credit standing, history, and local banking reliability; L/C and T/T are standard, with open account credit provided under long-term agreements.
Raw material cost for ethylene carbonate anchors to ethylene oxide and carbon dioxide. EO drives the majority of variable cost, with EO prices linked directly to upstream ethylene market swings, cracker maintenance schedules, and competing demand from surfactant and glycol sectors. Carbon dioxide cost remains secondary and can become a local bottleneck if feedstock purity or capture cost rises. Purification and packaging escalate the price for battery or electronics grades due to added QC, rejected batch rates, and higher-grade preservation handling.
The price ladder reflects clear grade separation: standard industrial, polymer synthesis, battery electrolyte, and pharmaceutical use. Premium appears at higher purity levels (often <50 ppm water, <100 ppm halides, or according to customer’s internal standards), with dedicated line and dedicated staff to manage cross-contamination. Packaging certified for dangerous goods transport (UN-certified drums or IBCs) further raises cost. Regulatory inspections and site-specific audits (especially for electronics and pharma customers) introduce compliance overhead that reflects in price.
The ethylene carbonate market sits at an intersection of industrial polymer, electronics, and battery supply chains. Global output concentrates in East Asia, with China holding the largest capacity share, particularly for lithium battery-related applications. North America and Western Europe maintain significant demand via the automotive and high-performance plastics industries. Spike in lithium-ion battery production capacity (gigafactories in China, US, and Europe) pulls material into high-purity channels, tightening available pools for secondary applications.
United States leverages proximity to low-cost ethylene/EO and shipping access to both regional and international customers. Compliance with EPA and DHS regulations shapes production costs. European Union outfits prioritize REACH registration costs, lifecycle audits, and increasingly strict transport restrictions, which feed into a higher delivered price. Japan maintains smaller self-sufficient production for electronics customers, often importing high-purity input EO for chain integrity. India acts as a net importer, with demand swing set by local battery assembly and polycarbonate producers. China consolidates upstream EO and scaling downstream integration, especially around coastal clusters, supporting both standard and high-purity requirements.
Forward price expectations for 2026 track closely to fluctuations in global EO pricing and shifting lithium-ion demand patterns. Historical data, industry interviews, and futures price indices inform projections. Current indications show continuing volatility driven by feedstock unpredictability, combined with rising battery-grade demand outpacing new production capacity additions. Market analysts anticipate upward pressure unless accelerated investment resolves regional bottlenecks. Price range expectations diverge by quality: battery and electronics grades expected to widen premium over standard grades as global decarbonization drives transportation electrification.
Several multinationals have announced new capacity expansions in East Asia and the US focused on battery-grade ethylene carbonate, reflecting persistent shortages. Companies investing in purification technologies aim to differentiate with trace-metal and moisture content reduction. M&A activity in the sector demonstrates integration both upstream (ethylene oxide production) and downstream (battery electrolyte manufacturing).
New environmental emission controls in Europe and expanded safety requirements for transport and storage in North America have sharpened compliance requirements for manufacturers. Chinese domestic regulations have introduced stricter audits of EO handling facilities, with site requalification required following any incident. Export customers are increasingly requesting third-party certification and full chain-of-custody documentation.
Manufacturers have directed investment toward closed-loop process controls to limit impurity development and to allow real-time adjustment during campaign runs. Advanced purification lines have been prioritized to meet the most stringent battery and electronic specs. In response to compliance tightening, formal internal audit programs review batch traceability and transport chain exposure. Many suppliers now operate customer portal systems to provide live documentation and compliance updates, supporting downstream customer audits and regulatory review.
Ethylene carbonate functions as a polar aprotic solvent, electrolyte component, plasticizer, and intermediate in synthesis. Lithium battery electrolyte, lubricant formulations, polycarbonate synthesis, specialty coatings, and pharmaceuticals all draw from distinct grades based on purity, trace metals, and moisture controls. In our experience, each segment tracks separate technical focus points, especially where trace functionality or reaction reliability affects manufacturing yield or downstream safety.
| Key Application | Preferred Grade Profile | Critical Quality Attributes |
|---|---|---|
| Lithium-Ion Battery Electrolytes | Battery Grade | Ultra-low water, trace metal control, peroxide limit |
| Polycarbonate Polyol Synthesis | Industrial/Pharma Grade | Consistent assay, low color index, residual chloride |
| Lubricants and Greases | Technical/Industrial Grade | Assay, acid value, base extractables |
| Pharmaceutical Intermediates | Pharma Grade | Pharmacopeia compliance, low residuals, validated release |
| Specialty Coatings and Adhesives | Technical/Industrial Grade | Color, reaction by-products, viscosity profile |
Moisture: Electrolyte markets require the most aggressive drying and protection from atmospheric sources. In the case of resin and lubricant markets, moderate water levels are tolerable, but wide variation can disrupt process catalysis and product performance.
Trace Metals: Electrochemical and pharma customers set specific trace metal maximas. Battery users specify limits for sodium, iron, copper, and others tied to performance degradation or safety hazards.
Color Index: Industrial users who manufacture color-sensitive downstream products emphasize this parameter; color generally shifts according to impurity levels, process side reactions, or thermal degradation during synthesis.
Purity: High-purity grades drive value in electronics, energy storage, and pharma. Technical and general industrial grades tolerate wider specification bands when the downstream tolerates higher residuals.
Start from a specific use case—battery manufacturing, chemical synthesis, lubricant blending, or pharmaceutical processing. Each process sequence sets unique thresholds for physical and chemical consistency, directly impacting which grade aligns.
If the application falls under REACH, TSCA, or pharmaceutical GMP, regulatory mandates may override other selection factors. Certain customers require evidence of compliance at batch, process, or raw material level, especially for export or regulated end-markets.
Cross-check the maximum allowable content for water, metals, and organic residues based on downstream products. For battery electrolyte, quality systems enforce strict maximums; for lubricants, process stability may tolerate a broader impurity range. Investigate whether batch traceability and certificate of analysis (COA) are non-negotiable.
Volumes below tanker scale often receive packaging and logistics tailored to lab or pilot needs; production-scale loads may leverage bulk supply options. Budget constraints sometimes drive selection toward technical grade, but this should only follow a technical review to avoid downstream failures that incur higher remedial costs.
Functionality in customer plant trials exposes any hidden incompatibility, such as catalyst deactivation, haze, or color drift. Our technical support teams recommend requesting representative production samples and reviewing documentation on impurity profile, not just typical assay value, to anticipate performance in real operations.
Ethylene carbonate leaves our facility only after strict quality management steps are documented and signed off in-house. On a practical level in the plant, production and quality control departments reference certified management frameworks in daily operations. Certificates such as ISO 9001 remain valid through annual audits and hands-on implementation in each unit. For export compliance, special attention goes to traceability from raw material batch to finished lot—a non-negotiable demand from downstream automotive and battery material sectors. Alignment between quality, procurement, and production mitigates non-conformance risk, especially under demanding bulk delivery schedules.
Whether for electrolyte applications, polyol synthesis, or specialty solvents, customer requirements for specific certificates depend on target region and intended use. Hazard communication certifications and related compliance documentation must reflect the actual process route and impurity profiles typical of the plant. If customers request REACH registrations, K-REACH, or local equivalents, the technical documentation must accurately state the manufacturing pathway, impurity fingerprint, and any variable batch features that affect regulatory disclosure. Each product grade is supported per agreement by analytical method validation from our own lab, with reference materials regularly cross-checked against leading international labs when downstream partners require.
All release documentation includes batch-specific CoA, analytical spectra, conformity statements, and—when specified—full impurity panel analysis. For electrolyte grades or battery synthesis use, impurity documentation extends to moisture, acid content, and residual byproducts not always controlled in generic grades. Custom document packages are available aligning with customer audit checklists, including stability data and transport compatibility notes where required. For ongoing supply, the customer technical staff and our lab work directly to interpret data deviations, verify analytical standards, and adjust acceptance criteria when technical developments in formulation arise. Our system maintains a six-year digital archive of documentation available for regulatory or partner audit without delay.
Stable supply for ethylene carbonate depends on consistent feedstock availability, batch reactor scheduling, and redundancy in key equipment. In periods of peak demand, our production team issues regular capacity updates and runs a risk-adjusted inventory plan based on both customer forecasts and third-party market dynamics. All cooperation modes, from offtake agreements to just-in-time replenishment programs, are adjusted according to real-time production trends and customer order cycles. We encourage buyers to communicate planned usage shifts early, which allows the operation team to reserve reactor slots or pre-allocate raw materials for high-sensitivity applications like lithium-ion battery electrolytes.
Our main production assets remain dedicated to ethylene carbonate for over a decade, minimizing changeover downtime and ensuring resin or polymer application batches are not cross-contaminated by non-compatible chemistries. Key control points in raw material monitoring and continuous distillation steps keep variability in final content to within grade requirements. We back each lot with full origin traceability—feedstock to pallet—providing downstream clients predictable application performance, especially in sensitive coatings or electronic chemical uses.
Sample requests route directly from our technical or sales interface to plant scheduling. We maintain dedicated pilot lots specifically for customer testing purposes, never split from prior bulk runs to avoid introducing variability. Pilot plant protocols mirror those of full-scale production. Analytical data reflecting the exact batch, impurity profile, and stability under proposed storage and shipping conditions accompanies all samples. Additional custom analyses, such as compatibility with specific lithium salt formulations or alternative polyol matrixes, are offered with prior technical alignment.
Cooperation plans span toll-manufacturing, formula-specific make-to-order, and fixed-volume delivery contracts. In each mode, direct technical dialogue is encouraged. Customers requiring grade changes—such as shifting from industrial to battery-grade or altering moisture/acid specifications—engage directly with production and quality teams to establish new test and release routines. Disputes around non-conforming results use a third-party arbitration lab by mutual agreement. Lead times, packaging formats, and shipment methods adjust per end-use specification and geography. This flexibility reflects the close integration of sales, technical, and production planning.
Battery electrolytes continue to drive most innovation work. Markets require ethylene carbonate with carefully controlled water, halide, and sometimes trace metal content to meet sensitive lithium-ion cell demands. Application engineers focus on raising purity during recrystallization, refining solvent extraction, and using new catalyst systems designed to limit byproduct formation during synthesis.
The push for advanced solid-state and high-voltage electrolyte systems has prompted joint projects between synthesis, analytical, and application teams—particularly to manage impurities that trigger side reactions in aggressive cell chemistries. In some regions, a growing share of R&D targets biodegradable plastics and eco-solvent applications. Here, technical teams review both process compatibility and environmental fate, comparing degradation products from various grades and sources.
Ethylene carbonate finds new uses as a carbonate building block in specialty polymers, with coating formulators requesting grade-specific data on polymer chain termination and branching impacts. Another trend emerges from technical teams optimizing ethylene carbonate blends to improve solubility in novel refrigerant or gas separation membrane systems, pushing for sharper consistency in viscosity, molecular weight distribution, and trace impurity control.
Electrolyte performance stands or falls on water content and highly reactive trace byproducts. In industrial settings, air- and water-tight handling systems remain essential, with producers investing in closed-loop transfer, real-time moisture monitoring, and customized filtration stages to comply with cell makers’ stringent specs. Analytical chemists push for faster trace halide and organic acid detection to cut batch release time.
Process engineers actively refine continuous process reactors to improve yield and reduce plant fouling. In catalyst development, hydrogenation approaches seek to suppress polycarbonate byproducts, but no single route fits all grades. Some pioneers report progress on low-energy routes that bypass hazardous feedstocks, but routine market availability remains under review.
Demand from lithium-ion and solid-state battery manufacturers continues to influence production priorities in Asia, North America, and the EU. Data from downstream users indicate moderate annual growth, but feedstock volatility and regional capacity expansions keep pricing and supply chain stability front-of-mind for all parties. Producers expect project-based surges as new battery plants and gigafactories come online. Growth in specialty coatings, engineered plastics, and technical solvent applications will drive diversification of grades and function-targeted products.
The production route increasingly depends on customer requirements for impurity profiles and sustainability certifications. Batch and continuous routes both see upgrades in in-line monitoring, catalyst system rejuvenation, and real-time quality release for sensitive market segments. Sustainability concerns nudge some plants toward CO2-based synthesis designs aiming to cut overall emissions and reduce hazardous waste at source. Still, diverse regional regulations and certification requirements call for adaptive process architecture and close integration of supply chain traceability.
Industry-wide, internal audits and customer requests drive raw material traceability and lifecycle assessment. Plants work to reduce solvent loss, manage wastewater treatment, and reclaim off-spec material. Some projects explore bio-based ethylene glycol as a feed, but technical and economic hurdles remain for bulk grades. Technical documentation includes transparency on waste mitigation, emissions tracking, and third-party sustainable sourcing certifications for grades destined for high-spec end-use markets.
Application specialists provide direct support for process adaptation during customer product qualification, focusing on grade selection, blending, and impurity threshold management. For battery customers, these consultations often involve impurity migration studies, compatibility checks with cathode/anode formulations, and moisture mitigation strategies. Industrial users in plastics or gas separation processes receive guidance on downstream impacts of thermal stability, acid number, and controlled molecular weight cuts.
Customers with custom requirements often request help fine-tuning addition protocols, solvent switching, or purification procedures for critical stages. Manufacturer support teams track in-field trial data, assist in pilot runs, and provide on-site troubleshooting for filtration, blending, and in-line additive dosing. Ongoing project development frequently includes joint root cause analysis and specification optimization to align with evolving regulatory or internal QC standards.
Technical and quality service teams maintain batch documentation and retain samples for agreed periods, supporting traceability and post-delivery investigation as needed. Internal protocols require notification and lot replacement for any confirmed deviation from agreed release criteria. Engineering teams stay involved in long-term projects to address evolving production problems gleaned from field use, enabling continuous improvement of both product and technical service.
Our plant manufactures ethylene carbonate through dedicated production lines operating under strict control. From raw material sourcing to final purification, every stage runs inside our own facility. This vertical integration delivers traceable production and consistency across every batch. Years of manufacturing experience allow fine-tuning of process conditions to produce ethylene carbonate that meets the physical and chemical properties large-scale industries require.
Ethylene carbonate holds a pivotal role for multiple end uses. Lithium battery manufacturers rely on our material as an electrolyte solvent, critical for battery efficiency and safety. The plastics sector uses it as a high-performance solvent and intermediate. In specialty chemical synthesis, ethylene carbonate enables the production of lubricants, surfactants, and polycarbonate resins. Users in the oil and gas field value its solvency in gas treating processes. Reliable supply from a direct manufacturer supports these sectors’ scale and technical demands.
We employ batch-level quality control and in-line analytical testing throughout every production shift. Gas chromatography analysis confirms purity levels that support high-value downstream processes. The plant’s control room tracks agitation, pressure, and temperature parameters in real time. Quality assurance teams document every batch and retain samples for reference. These standards help eliminate risk for industrial users who can’t afford off-spec material in regulated or high-output environments.
We fill ethylene carbonate into steel drums, IBC totes, and bulk ISO tanks to align with transportation and site handling requirements. Our logistics team oversees container integrity and shipment schedules, cutting down on transit delays and material handling concerns. By controlling the filling and distribution chain, we reduce material losses and provide industrial partners with predictable supply volumes.
Technical staff work with engineers and formulators at client sites to address integration into existing processes. From adapting solvent blend ratios to troubleshooting mixing lines, our focused support streamlines the switch from lab scale to continuous plant operation. We back our ethylene carbonate with complete Certificate of Analysis documentation and ongoing process recommendations.
Direct purchasing from our production plant means you gain predictable lead times and access to real-time inventory updates. We help partner teams plan inventory cycles, reduce procurement risk, and respond quickly to project scale-ups. This approach benefits manufacturers seeking approved suppliers, distributors looking for secure sourcing, and buyers tasked with ensuring long-term quality and compliance. Our goal remains supplying ethylene carbonate that industrial users have confidence in, batch after batch.
At our site, every drum, IBC, or ISO tank we fill with ethylene carbonate comes directly from a tightly controlled production environment. Quality control isn’t a slogan here—it's a critical activity layered into each phase from raw material selection down to the final packaging. Any discussion about purity too often slides into abstract metrics, yet practical results on the client’s end come down to what actually leaves the reactor and purification train.
In our process, typical assay for ethylene carbonate measures above 99.9% purity. This high level reflects both the upstream chemistry and the precision of downstream distillation. Water, glycols, and trace impurities receive daily scrutiny using gas chromatography and Karl Fischer titration, since even fractional variances can knock an electrolyte, polymer, or solvent application off spec. We do not ship unless those impurity levels sit comfortably below single-digit parts per million for water and main by-products—because for lithium battery producers, lubricants, and specialty plastics, there’s no margin for error.
Our technical documentation details chemical and physical characteristics with numbers that matter on an industrial scale. Moisture content—routinely maintained under 0.01%—shows up on every batch certificate. Acidity levels are capped well below what initiates undesirable reactions in syntheses or causes corrosion in handling equipment. When filtration and crystal clarity are mission-critical, we run additional tests for turbidity and inorganic residue.
Ethylene carbonate starts from high-purity feedstocks. Our catalyst systems and reactors support high conversion and low side reactions, keeping by-product content nearly negligible. Automated controls track temperature and residence time down to the minute, not just for compliance, but to lock batch-to-batch reproducibility. Every process parameter gets logged, every lot assigned traceability, so even years after delivery, we provide full transparency for forensic or regulatory review.
Large battery cell makers need electrolyte-grade ethylene carbonate free of metal ions and organics that would degrade cycling stability. Epoxy and polyester resin plants require consistent melting point and viscosity, tied directly to purity and additive absence. We work daily with purchasing, R&D, and QA teams from global groups and small innovators alike, shaping our documentation and shipment practices to their regulatory and technical hurdles.
Project launches and new regulatory requests mean specifications sometimes move faster than industry standards. We provide detailed COAs with each shipment, and our quality and applications team answers technical questions straight from the plant floor. For unique applications or regional demands, we fine-tune reporting, lot sizing, and even secondary purification, as long as our own risk assessments support the change. Speed and precision are never achieved by cutting corners; they come from investment in our personnel, plant equipment, and the lab tools that serve as our last line of defense.
Current global conditions put price and availability under pressure, but we refuse to let those forces eat away at what matters most in specialty chemicals: true purity, reliable delivery, and documentation that stands up under scrutiny. We won’t speculate or pass off sourced material; every order runs through our own factory, and every specification—whether for electrochemical, technical, or reagent grade—traces back to the original production campaign. Our customers can and do audit us. That’s the relationship direct manufacturing builds, and it keeps us honest, year after year.
Direct discussions on the minimum order quantity and lead time for Ethylene Carbonate remain an important topic for end-users and procurement professionals. Our production is rooted in a real-world understanding of both market requirements and the realities of batch manufacturing.
At our facility, Ethylene Carbonate production takes place in dedicated reactors with fixed batch sizes. Each production run represents a significant input of energy, labor, and consumables. Operating below certain batch volumes drives up per-unit costs and reduces the efficiency of our supply chain. Our standard minimum order quantity reflects the economics of shipping full pallets or full lots from our plant, preventing partial quantities that could expose the material to unnecessary handling risks or quality deviations.
For most applications, our minimum order quantity has aligned with one full pallet load, typically corresponding to 800 kg when using standard 25 kg bags or approximately 1 metric ton in drum or IBC formats. We set this figure after many years of experience exporting to diverse markets including battery electrolytes, specialty polymers, and industrial solvents. Large-volume customers often prefer bulk tankers or ISO containers, circumstances in which our team organizes logistics that maximize efficiency both for transit and customer off-loading requirements.
Ethylene Carbonate production operates on both continuous and campaign-based models at our plant, shaped by overall demand forecasts and raw material availability. Our plant regularly schedules manufacturing campaigns to ensure a balance between product freshness and inventory management. From raw material sourcing through final drum sealing, every step feeds into the final lead time calculation.
For repeat customers who maintain call-off agreements or provide rolling forecasts, our warehouse maintains stock for prompt shipment, resulting in lead times as short as 7 days from purchase order receipt to dispatch. New customers or those placing irregular orders may face a lead time of 3 to 4 weeks, covering material sourcing, production, quality assurance, and final packaging cycles. Demands for specialized packaging, food-grade quality, or custom blends increase the timeline as each specification triggers dedicated quality checks and possible line changeovers. After palletizing, all shipments undergo routine factory inspection—certificate of analysis and batch traceability documentation accompany each lot.
From a manufacturing standpoint, maintaining clear guidance on minimums allows us to safeguard product quality and streamline transport both domestically and for international export. We remain aware that excessive inventory ties up resources, while overly small lots disrupt line productivity. Factory-wide scheduling software and rigorous inventory management let us deliver predictably, even as the market fluctuates.
For large and small buyers alike, open dialogue with our commercial team assists in matching procurement plans to production cycles. Where flexibility exists, we group similar orders for joint production runs, minimizing wait times and lowering logistic overhead. Our team continuously reviews emerging market trends, investing in plant automation and logistics networks to support more responsive order processing in the future.
As the original producer, direct communication between our plant and end-user fosters transparency. We welcome detailed technical discussions prior to order placement—shared forecasting, realistic timelines, and feedback from the field all feed back into our continuous improvement program. By tuning production scheduling and logistics to real-world needs, we ensure both commercial value and technical reliability for each shipment of Ethylene Carbonate from our factory floor to your facility.
Handling ethylene carbonate means respecting its properties and volatility. In our operations, packaging always starts with clean, dedicated lines to prevent cross-contamination. Standard packaging solutions include steel drums and IBCs with tightly sealed closures. Only new HDPE inner liners are accepted for compatibility. Bulk liquid iso-tanks leave the plant fitted with tamper-evident devices. These choices follow years of in-plant experience with both automotive and battery-grade batches.
Ethylene carbonate catches regulatory attention because it is hygroscopic and reacts with water to form byproducts. Unsealed or poorly lined drums can introduce moisture, raising risk of product degradation which impacts battery electrolyte performance. Container material compatibility is non-negotiable—a lesson learned early after observing corrosion in substandard packaging. Based on this, our shipping containers always meet both EPA and OECD guidance for solvent resistance and vapor tightness.
Our exports move under routine checks from our in-house compliance auditors. Ethylene carbonate qualifies as a hazardous chemical for most international shipments under UN 3077. That means drums carry durable GHS labels, correct UN numbers, and Hazchem placarding. We ensure every dispatch includes Safety Data Sheets in locally required languages, packed in waterproof sleeves with the freight documents. Local transport demands visible hazard labels for every unit—even outbound from our Asia and EU sites, where regulation means more than stickers on tanks, but regular site audits and sample retention.
National and international regulations do not allow improvisation. Road, rail, and sea shipments from our factories comply with ADR, IMDG, and DOT harmonization. Customs delays can cost a fortune, especially when a shipment is flagged as “improperly packed” or missing the right stickers. To minimize these issues, we triple-check documentation and maintain a full-time regulatory affairs team. Container integrity gets verified in our yards before approval for shipment. Routine on-site inspections by local authorities keep our processes sharp—one non-compliant shipment can easily bring down months of work.
We do not look at regulatory requirements as a formality. Changes in packaging specs are tracked globally, and new packaging solutions get tested before reaching the market. We also run in-house Hazard Analysis and Critical Control Point reviews throughout the packaging and dispatch process. For clients in demanding sectors—like lithium battery manufacturing—batch traceability and container cleanliness take priority, since minor residues or leaks in transit can trigger entire supply chain recalls downstream.
Transporting ethylene carbonate often faces unpredictable issues. Delays at ports under new hazardous material updates, or shifts in allowable materials for drum linings, call for rapid adaptation. In some markets, regulators want higher compliance proof, which our logistics teams meet with digital batch tracking and real-time transport condition monitoring. Our network with certified haulers allows for emergency corrective actions, such as remote tracking and direct intervention, when conditions deviate from required temperature or humidity ranges.
Direct manufacturing experience continues to shape reasonable and responsible decisions in the safe packaging and transport of ethylene carbonate. Practical know-how, not just compliance, drives reliable deliveries and prevents regulatory headaches down the line.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales3@ascent-chem.com, +8615365186327 or WhatsApp: +8615365186327
