| Names | |
|---|---|
| Preferred IUPAC name | 4H-1,3-dioxol-2-one |
| Other names | 4,5-Dihydro-1,3-dioxol-2-one VC Ethylene carbonate, vinylidene Vinylencarbonat |
| Pronunciation | /vaɪˈnɪliːn ˈkɑːbəneɪt/ |
| Identifiers | |
| CAS Number | 872-36-6 |
| Beilstein Reference | 1208730 |
| ChEBI | CHEBI:15941 |
| ChEMBL | CHEMBL205679 |
| ChemSpider | 78629 |
| DrugBank | DB14095 |
| ECHA InfoCard | 03-212-012024 |
| EC Number | 213-834-7 |
| Gmelin Reference | 110262 |
| KEGG | C18703 |
| MeSH | D019279 |
| PubChem CID | 2734438 |
| RTECS number | GF6300000 |
| UNII | K1CVM13F96 |
| UN number | UN2478 |
| Properties | |
| Chemical formula | C3H2O3 |
| Molar mass | 86.044 g/mol |
| Appearance | Colorless to pale yellow liquid |
| Odor | Odorless |
| Density | 1.40 g/cm3 |
| Solubility in water | soluble |
| log P | -0.48 |
| Vapor pressure | 0.08 mmHg (20 °C) |
| Acidity (pKa) | 22.10 |
| Basicity (pKb) | 15.27 |
| Magnetic susceptibility (χ) | -55.0e-6 cm³/mol |
| Refractive index (nD) | 1.498 |
| Viscosity | 2.54 mPa·s (25 °C) |
| Dipole moment | 2.56 D |
| Thermochemistry | |
| Std molar entropy (S⦵298) | 117.1 J·mol⁻¹·K⁻¹ |
| Std enthalpy of formation (ΔfH⦵298) | -579.5 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -1494 kJ/mol |
| Hazards | |
| GHS labelling | GHS02, GHS07 |
| Pictograms | GHS02,GHS07 |
| Signal word | Warning |
| Hazard statements | H302, H319, H335 |
| Precautionary statements | P210, P261, P280, P305+P351+P338, P370+P378, P403+P233, P501 |
| NFPA 704 (fire diamond) | 2-2-2 |
| Flash point | 23°C (closed cup) |
| Autoignition temperature | 570°C |
| Explosive limits | Explosive limits: 1.6–10.3% (in air) |
| Lethal dose or concentration | LD50 (oral, rat): 10,200 mg/kg |
| LD50 (median dose) | LD50 (median dose): Oral-rat LD50: 3,300 mg/kg |
| NIOSH | CYG |
| PEL (Permissible) | PEL: Not established |
| REL (Recommended) | 0.1% |
| IDLH (Immediate danger) | No IDLH established. |
| Related compounds | |
| Related compounds | Ethylene carbonate Vinylene tricarbonate Vinylene urea |
| Property | Description |
|---|---|
| Product Name | Vinylene Carbonate |
| IUPAC Name | 1,3-Dioxol-2-one |
| Chemical Formula | C3H2O3 |
| CAS Number | 872-36-6 |
| Synonyms & Trade Names | VC; Ethylene Carbonate, Dehydro; 1,3-Dioxol-2-one |
| HS Code & Customs Classification | 2932.99.9090 (subject to final local customs regulations and actual intended use) |
Vinylene carbonate production in an industrial setting requires precise selection of ethylene glycol and phosgene derivatives as primary raw materials. The process route is generally chosen based on purity demands and cost structure, with control points focused on minimization of side-product formation and management of corrosive intermediates. For specialty electronic or battery-grade material, impurity levels—especially color, hydrolyzable chlorine, and water—receive heightened scrutiny during in-process control and purification. Such impurities can arise from minor variations in raw material quality, reaction parameters, or insufficient drying. Final purification typically uses distillation under reduced pressure with in-process monitoring of non-volatile residue, which is often grade-dependent due to downstream application sensitivities.
Grade selection depends on the end use. High-purity lithium-ion battery grade is separated from standard industrial grades by further refining and process segregation measures. This involves not just more refined purification, but also trace-level analytical release criteria involving advanced methods such as GC-MS and ICP-OES, reflecting the product’s end use. For laboratory applications, stock purity may suffice, but electronic-grade demands differ strongly between regions and applications, often requiring specification negotiation with individual customers. The final release standard for each batch is determined by internal technical criteria cross-referenced with buyer requirements, taking into account both routine tests and key performance indicators for downstream applications.
Handling practices critically differ by grade and package size. Large-volume storage usually relies on hermetically sealed steel or HDPE drums under an inert atmosphere, as vinylene carbonate can show slow hydrolytic breakdown if exposed to moisture, which has an impact on quality in energy-storage markets. For formulation and downstream blending, material compatibility and avoidance of reactive contaminants are checked batch-by-batch through close cooperation between quality control and production teams.
HS code classification for vinylene carbonate is typically made under organic cyclic carbonates, with the exact sub-code decided based on both declared composition and national customs logic. Discrepancies sometimes exist at border inspection, especially when the ultimate end use includes energy storage or electronic devices, since regional regulation can affect the applicable import or export code. As a manufacturer, ongoing compliance review is standard practice to avoid regulatory and logistical delays.
Vinylene carbonate appears as a crystalline solid or liquid near room temperature, with its physical form influenced by ambient temperature and product grade. During large-scale recrystallization, visually pure material often carries an off-white tint due to residual process-related organics, which intensive purification can reduce. Industrial batches may emit a faint, sweetish ether-like odor, especially above its melting point.
Melting point and boiling point values show slight variation batch-to-batch; exact values require batch-specific measurement and are sensitive to trace water or residual precursor. Density typically falls within a narrow margin for a given purity, but suppliers frequently confirm this property with each release due to known impact on solvent compatibility and electrolyte formulation.
Handling reveals that hydrolysis and ring-opening reactions proceed notably under alkaline or high-humidity conditions, directly impacting shelf life and process safety. Exposure to strong bases or nucleophiles generates decomposition. Storage under strictly anhydrous and oxygen-free conditions reduces peroxide formation and maintains carbonate structure. Producers treat reactivity as both a risk and a feature, depending on planned downstream chemical use.
Vinylene carbonate dissolves readily in organic solvents such as ethers and carbonates used in battery electrolyte production. Industrial users rarely attempt direct dissolution in water due to instability; instead, solution preparation proceeds under inert atmosphere with temperature and humidity tightly regulated to prevent degradation and side reactions. Solubility characteristics required often change with lithium salt compatibility in application.
Spec requirements depend on end-use: lithium-ion battery electrolyte, specialty intermediate, or coating precursor. Ultra-high purity grades target trace metal, moisture, and halide levels, with acceptance criteria based on customer qualification. Lower-grade material for industrial synthesis accepts broader impurity profiles.
| Parameter | Battery Grade | Industrial Grade | Test Method |
|---|---|---|---|
| Appearance | Colorless to pale yellow liquid/crystals | Pale yellow/brownish liquid/crystals | Visual/Colorimetric |
| Purity (GC) | ≥ Specific grade requirement | ≥ Specified for industrial use | Gas Chromatography |
| Water content | To customer specification | Higher tolerance | Karl Fischer |
Impurities stem from residual reactants, solvents, and process byproducts. The most critical impurities for battery use are ionic residues, water, and certain organic side-products that catalyze decomposition or lower CE in batteries. For industrial intermediates, focus shifts to limiting corrosive halides and polymeric byproducts. Exact numerical limits are customer- and grade-specific.
Each batch release relies on instrumental methods such as GC, HPLC, Karl Fischer, and, for metals, ICP-MS. Acceptance criteria match application risk assessment and are set via technical agreement with key customers. Awareness of evolving international standards for battery chemicals is vital; periodic review of certified material per IEC and proprietary standards is part of ongoing compliance.
Ethylene glycol or ethylene carbonate supplies are selected for impurity background and supply reliability. Process yield, energy efficiency, and impurity carryover guide raw material vendor choice. High-throughput lines target tight feed composition control to suppress unwanted byproduct formation.
Production typically involves cyclization of ethylene carbonate under specific oxidative or dehydrohalogenation conditions, using precise catalysts to favor ring closure over polymer formation. Route selection follows yield, environmental load, and purification complexity, not just reagent price.
Operations depend on temperature- and residence-time-controlled reactors to minimize color body formation and maximize selectivity. Post-reaction purification, often via distillation or recrystallization, targets moisture, halide, and oligomer removal. Absence of efficient purification leads to downstream quality risks, especially in electrochemical end-use.
Lab and inline QC run parallel: moisture, purity, color, and conductivity get batch-verified; advanced users may demand high-resolution impurity maps per lot. Internal release criteria often go beyond baseline specification, as high-value customers regularly request tighter out-of-spec notifications.
Vinylene carbonate undergoes nucleophilic addition, ring-opening copolymerizations, and reduction/oxidation under controlled conditions. Owing to its strained structure, reactive processes involve base or transition metal catalysis, with efficiency largely grade-dependent due to sensitivity to trace water and salts.
Industrial transformations require careful adjustment of temperature, pressure, and catalyst—impurities and minor water content can poison or accelerate reactions. Solvent choice directly influences ring-opening polymerizations and side-product type.
A primary application remains as electrolyte additive precursor or chemical for high-performance polymers. Substitution products and copolymers result under controlled conditions, with specific routes tailored to downstream use and impurity tolerance.
Material requires dry, cool, and light-restricted storage for optimal integrity. Inert-gas protection in tightly sealed containers prevents hydrolysis and oxidative degradation. Humidity and oxygen ingress correlate with rapid quality decline and observable color change.
Producers use high-density polyethylene or fluorocarbon-lined vessels for bulk storage. Incompatible metals or non-lined steel generate contamination concerns, especially for battery application—container selection directly ties to intended product grade.
Shelf life follows exposure: moisture, temperature fluctuations, and light increase peroxide and acid formation, reducing purity and changing color. Significant odor, precipitation, or yellowing often signal advanced degradation. Quantitative shelf life is product- and application-dependent, verified by batch re-testing during storage.
Producers refer to current GHS criteria for classification and labelling; interpretations reflect regional regulations. Vinylene carbonate commonly classified as hazardous due to skin and eye irritation, harmful effects on inhalation, and potential chronic outcome with prolonged handling.
Workshops handling large volumes emphasize ventilation, personal protective equipment, and avoidance of skin and eye contact. Closed systems and dust extraction protect operators from aerosol or vapor release. Prompt decontamination and spill clean-up remain standard operating protocol.
Toxicological understanding focuses on acute oral/dermal effects and chronic risk in high-exposure environments. Production areas are engineered around containment, LEV, and routine air quality monitoring—exposure controls and incident response plans derive from latest toxicity studies and regional occupational standards.
Current production of vinylene carbonate depends on feedstock stability and batchwise or continuous operation. Output varies according to production grade and purity class. Downstream battery and specialty applications have prompted a shift in output allocation at most manufacturing sites. Routine planning balances raw material inflow, in-process yield, and reprocessing of off-spec material. Planned shutdowns for catalyst regeneration or major maintenance directly restrict monthly output. Pre-allocation or contract fulfillment for established customers usually takes priority over spot sales, particularly for battery-grade material.
Lead time for standard grades remains tied to ongoing production cycles and inventory position. For high-purity or custom-formulated grades, supply lead time extends due to extra purification, analytical release, and tailored packaging. Minimum order quantity (MOQ) reflects the batch structure; typical volumes for technical grades may differ from those required for battery or specialty grades, where QC sampling and certification add complexity.
Drum, intermediate bulk container (IBC), and ISO tank options are standard. Choice depends on grade and transportation route compliance. Smaller containers undergo additional validation for sealing integrity and trace contamination, with special requirements for Li-ion and pharmaceutical intermediates.
Shipping methods are selected based on transport hazard controls, climatic requirements, and destination documentation constraints. Export compliance shifts rapidly in some regions. Payment terms are varied according to customer status and trade risk assessments, with established industrial customers often benefiting from deferred payment options following multi-year agreements.
Key feedstocks include ethylene carbonate and specific catalysts. Raw material outlay generally forms more than half the cost for high-purity grades. Major consumption of power and solvent in the downstream steps contributes further. Catalyst procurement, typically metal-based, exposes cost structure to periodic surges in global metal prices.
Supply interruptions of upstream ethylene carbonate and select solvents, as well as sudden constraints at major metal plants, drive periodic volatility. Environmental compliance upgrades at upstream plants in East Asia and catalyst import issues consistently shift monthly costs. Schedule disruptions—either from local facility maintenance or from regulatory inspection—can cause delivery hiccups.
Major price differentiation reflects grade, defined both by purity (chemical and ionic contaminant controls) and validated use (Li-ion, pharmaceutical intermediate, technical). Ion-purged or battery grades receive incremental cost due to specialized purification, trace metal analytics, and logistics support for customer-specific packaging. Certification status for transportation or export (such as UN certification for hazardous goods) will result in further price adjustment.
Dominant demand arises from lithium battery electrolytes, particularly across Greater China, South Korea, and Japan. Electronic and pharmaceutical markets drive specialty grade consumption. Western expansion has been paced by new compliance requirements in Europe and North America, with trade route diversity affecting landed cost and inventory management.
North American buyers emphasize contractual stability and make-or-buy evaluations in a consolidating battery supply sector. EU procurement faces environmental compliance and carbon reporting, with tiered supplier qualification raising entry barriers but also encouraging onshore upgrading projects. Japan remains focused on highest purity material for R&D and high-end battery segments. India’s demand growth has picked up for specialty applications but remains price-sensitive. Mainland China sits at the center of global production, both as supplier and as demand driver, but local regulatory shifts contribute to supply uncertainty.
Price trajectories up to 2026 remain sensitive to cell industry expansion, especially for EV and grid-scale storage applications. Upstream pricing for ethylene carbonate and selected catalysts is likely to see intermittent surges with tighter environmental controls and metal market volatility. Battery-grade material is likely to see higher premiums relative to technical grades, especially in Europe and Japan. Spot market pricing for surplus or downgraded material could diverge further if feedstock volatility persists.
Trend analysis draws on long-term purchase contracts, public trade data, large-volume transaction records, and market feedback reports from key input suppliers and direct customers. Data capture from customs and logistics partners, as well as regional production shutdown notices, supports price forecasting.
Companies pursuing new capacities in China and Southeast Asia have triggered raw material supply shifts, including offtake agreements to stabilize cost forecasts. Recent force majeure events at regional chemical parks have disrupted logistics and temporarily restricted output.
New REACH pre-registration requirements in the EU for electrolyte chemicals increase documentation and risk assessment overhead. Updated hazardous labeling for air shipment in the US and Japan have changed packaging and shipment route strategies. China’s local government inspections for environmental control now trigger periodic output quota changes.
Manufacturers have added quality traceability and online release monitoring to strengthen reliability. Dual-source catalyst stocking and localized pre-mixing for downstream compounds help buffer upstream shocks. Engaging with regional associations and regulatory bodies gives manufacturers early notice of compliance shifts, supporting more stable long-term supply agreements and customer confidence.
Vinylene carbonate advances performance in lithium-ion battery electrolyte formulations. Electrochemical applications benefit from its role as a solid electrolyte interface (SEI) former. In specialty synthetic chemistry, the molecule offers valuable reactivity in cyclic carbonate-based reactions. Polymer and coating sectors examine it as a precursor or modifier due to its ring structure.
Performance demands across these fields drive the definition and control of impurity profiles, trace moisture, and the physical form delivered by the packing configuration. Matching the correct grade to the application means understanding how process contaminants or byproducts could interfere with downstream chemistry, battery lifetime, or industrial process stability.
| Application | Typical Grade Characteristics | Key Requirements |
|---|---|---|
| Lithium-Ion Battery Electrolyte | Battery / Electronic Grade | Ultra-low water, low halides, minimal organic residues |
| Synthetic Intermediates, Fine/Specialty Chemicals | High Purity or Reagent Grade | Defined organic impurity limits, suitability for targeted chemistry |
| Polymerization or Coatings | Industrial Grade | Controlled molecular weight, consistent purity, packaging matching throughput |
Water content proves critical for battery and electronic grades, where even low levels affect cycle life or SEI formation. Synthetic chemistry applications assess organic impurity fingerprinting; halide and peroxides must remain below defined levels if used in sensitive downstream reactions. For polymer or coating uses, batch homogeneity and packaging type may take precedence over trace impurity benches, but purity drift cannot be tolerated across lots.
Across all grades, color and odor changes can flag deviation in process control or contamination, and these visible signs prompt immediate investigation in routine QC checks.
Clarify the downstream use — whether battery manufacturing, API/intermediate synthesis, or industrial compounding. Downstream compatibility and finished product reliability both start with this choice. In battery manufacture, incorrect grade selection can introduce lifespan or safety risks; in fine chemicals, reaction reproducibility may depend on impurity profile.
Check for compendial compliance (if used in regulated pharma or electronics), REACH or TSCA registration, or any sector-specific purity benchmarks. Requirements for documentation or traceability flow directly from end-use and geographic market. Regulatory constraints typically impact allowable impurity classes and trace element limits.
Identify the permissible ranges for water, organic, and inorganic impurities. For lithium-ion batteries, published research supports the need for extremely low water and halide content since trace contaminants influence electrolyte stability and performance. In less sensitive chemical synthesis, broader ranges may be acceptable if reaction yield and selectivity remain consistent.
Exact values are contingent upon grade, processing conditions, and partnership agreements. Verification through actual batch COA remains necessary.
Assess required volume (pilot, production, or kilo-lab scale) and matching grade availability. High-purity or electronic grades entail higher production and handling costs due to enhanced purification and moisture exclusion controls, while larger-scale industrial grades optimize for bulk handling and cost targets. Selecting packaging or delivery mode also influences purity control during storage and use.
Lab validation by testing the proposed grade against target process conditions and purity expectations forms the last step before scale-up. Performance verification ensures compatibility with in-house analytical routines. Internal QC can reveal incompatibilities with proprietary systems or confirm end-use performance. Manufacturers may offer batch samples for process-specific validation prior to committing to full-scale procurement.
Production of vinylene carbonate relies on a controlled environment verified by established third-party certification bodies. Typical practice involves maintaining quality management systems based on recognized international frameworks, which are periodically audited. Adoption of such systems helps enforce batch consistency, track deviation management, and document root cause analysis for out-of-spec materials. These systems direct how in-process control data, release records, and corrective actions are maintained according to internal and regulatory standards.
Vinylene carbonate requires product-level documentation to support battery, pharmaceutical, or other downstream use cases. The manufacturer issues certificates of analysis for each batch, detailing physical and chemical property data based on mutually agreed test protocols. Extended documentation, such as reach compliance statements or material-origin guarantees, can be provided as required by customers or regulatory agencies. Testing scope and certification format are determined by product grade and end-use sector, especially when the material is formulated or repackaged.
Routine shipments include batch-level documentation packages. These commonly consist of a certificate of analysis, results for selected impurity profiles, and confirmation of manufacturing date and shelf-life recommendation. For process audits or key account qualification, more granular records including production logs, relevant quality incident reports, and analytical method validation summaries are available for review upon request and subject to proprietary controls. All supporting documents are traceable to production records and archived under internal document control systems.
Production lines supporting vinylene carbonate are configured to accommodate both stable continuous runs and flexible smaller campaigns, depending on customer call-off schedules. Supply stability centers on maintaining raw material redundancy, preventive equipment maintenance cycles, and finished goods safety stock. Production planning adapts to fluctuating order volumes through modular scheduling, which allows timely adjustments in the face of upstream or logistics-related disruptions. For contracted customers, rolling forecasts are used to plan plant loading and guarantee shipment dates. Different contractual frameworks, from just-in-time protocols to annual supply agreements, suit a variety of customer project cycles and procurement habits.
The actual production throughput for vinylene carbonate depends on the specific reactor setup, operating rate efficiency, and purification facility configuration. Most manufacturing sites exercise multi-batch campaign capability for specialty grades, with daily, weekly, or monthly output quotas managed according to downstream requirements. Site-level key control points such as solvent recovery, impurity bleed management, and packaging operations are adjusted to minimize variability and ensure reliable supply. Where market demand spikes or region-specific regulations apply, alternate sourcing or dual-site production plans reduce supply interruption risk, always within the safe operating window defined by permitted process validations.
Sample requests are processed within a defined workflow that involves pre-shipment hazard review, packaging compatibility assessment, and export classification verification. Eligibility for sample dispatch takes account of intended evaluation scope, standard sample volumes per grade, and any special testing requirements. Customers can define analytical targets and receive documentation confirming test protocols, origin, and batch genealogy. For technical trials larger than typical sample sizes, pilot-lot production runs or split-batch dispatches are available depending on process capacity allocation at the time of request.
Cooperation plans are designed around the variability of customer development and commercial timelines. Manufacturing integrates both fixed-term and rolling supply agreements, supporting options such as consignment stock, volume-based tier pricing, or milestone-tied delivery schedules. In the event of process changes by the customer—for example, shifts in formulation requirements, purity upgrades, or packaging changes—real-time adjustment mechanisms enable quick feedback and integrated support. Ongoing support for regulatory, logistics, and quality documentation follows a documented change-control path, aligning with customer audit results and feedback for continuous improvement. Technical teams remain accessible to support scale-up, troubleshooting, and post-delivery analysis when process performance warrants.
In battery materials research, vinylene carbonate (VC) continues to receive focused attention for its function as an electrolyte additive, especially in high-energy lithium-ion systems. Most research groups and manufacturers target the cycling stability improvements and gas evolution suppression enabled by VC as a solid electrolyte interphase (SEI) former. Grades with ultralow moisture and tight peroxide content see increased demand from battery cell developers working with high-nickel cathode chemistries and silicon-rich anodes. Downstream requirements for automotive-grade cells drive the push toward trace impurity management and lot-to-lot consistency far tighter than general industrial chemicals.
Development projects now explore VC's reactivity for next-generation sodium-ion technologies and non-lithium secondary batteries, with select teams assessing its impact in capacitive and solid-state systems. In specialty polymers, some R&D bodies investigate VC as a precursor or intermediate in custom synthesis routes for high-performance resins, where its functional reactivity and volatility can be an asset or challenge, depending on design. These new uses press for application-specific control over byproducts and oligo/polymerization tendencies in situ.
From a manufacturer’s viewpoint, the main challenge sits with managing both process-induced and raw-material-derived impurities below the threshold demanded by top-tier battery customers. Trace hydrolysis, residual catalyst, and side-product polycarbonates impact downstream SEI formation and stability. Most technical breakthroughs involve in-process moisture removal, improved crude purification, and on-line detection to avoid batch release delays. Recent plants have shifted reactor and dryer design to enable finer control of moisture ingress and air exposure, especially at scale. Release criteria for electronic-grade VC now require real-time impurity mapping and statistical batch control far stricter than for legacy industrial grades.
Based on demand signals from battery cell manufacturers, especially those focused on electric vehicles and stationary grid storage, the VC market continues outpacing generic solvent and intermediate segments. The number of cell plants specifying ultra-high-purity VC has grown year over year, either for direct dosing or as a blend stock in customized additive packages. Projected capacity additions respond to both domestic supply chain requirements and regional content rules in major battery-producing areas.
Process improvements trend toward continuous operation, solvent-free synthesis, and integrated recycling of off-spec fractions, reducing energy input and solvent loss per ton produced. Automated process analytical technology gains traction in new plants, supporting greater reproducibility of key quality metrics. Electronic-grade routes push for programmable impurity minimization rather than single-point purification, as end users pursue records in battery cycle life and safety performance.
As sustainability priorities increase worldwide, procurement teams challenge suppliers for greener raw material sourcing and cradle-to-gate life cycle transparency. Manufacturers respond by investing in water and emission treatment units, solvent recycling, and options for raw material traceability to reduce the carbon footprint per unit VC. Green chemistry assessments now guide material and catalyst selection, along with efforts to minimize byproduct formation and externalize less contaminated waste.
Process engineers and QC specialists routinely provide guidance for battery developers on VC's handling, storage, and dosing to minimize hydrolysis and contamination. Support includes advice on inerting procedures, purity verification, compatibility with co-solvents, and troubleshooting precipitation or color change issues, typically tailored to the customer’s local environment.
For cell-makers transitioning to higher-nickel or silicon anode systems, application support involves joint pilot studies optimizing VC concentration, co-additive profiles, and investigation of batch-to-batch variation impact on SEI film formation. Recommendations always reflect the intended cell chemistry, production line configuration, and pre-existing electrolyte systems—all requiring precise technical dialogue with user R&D teams.
Any complaint triggers mandatory joint batch review with recorded impurity, moisture, and packaging data. Replacement protocols follow customer audit standards, and ongoing supply is tracked to assure consistency with the originally qualified product batch. For bulk deliveries, on-site technical visits confirm correct valve, inerting, and line flushing procedures to prevent avoidable exposure, directly supporting plant safety and batch reproducibility.
At our facility, we manufacture Vinylene Carbonate through a fully internalized process designed for rigorous industrial requirements. Our plant operates continuous synthesis and purification lines that deliver stable production each quarter. Production teams monitor every batch using established analytical techniques, backed by documented lot controls and batch records. Systems in the reactor hall track input purity and end-to-end process conditions to verify that outgoing material meets the specific criteria demanded by lithium battery, electrolyte, and specialty polymer sectors.
Vinylene Carbonate fills a critical role as an electrolyte additive for advanced lithium-ion battery manufacturers. Producers in this field look for reduced impurity levels and consistent morphology because unstable additives affect cell yield and cycle stability. As an additive for electrolyte formulations, Vinylene Carbonate helps form a stable SEI layer, which improves capacity retention and extends cycle life. Other industrial buyers—coating manufacturers, electronics chemical developers, and polymer synthesizers—choose Vinylene Carbonate for its reactivity profile and high-purity characteristics.
We control all process variables within our plant. In-line sensors and real-time analytics confirm purity and chemical properties for every lot before packaging. Each shift records traceability data, and audit trails extend to raw material usage and handling. This comprehensive internal control removes reliance on third-party logistics for production decisions, keeping product quality in our hands at every stage.
We package Vinylene Carbonate in dedicated, moisture-controlled filling rooms. Options include industrial drums and IBCs, supporting domestic and international logistics. Logistics planning is managed next to our packing lines to avoid cross-contamination and ensure time-efficient load-outs. Our supply program maintains finished inventory buffers to meet monthly contract volumes and urgent production requirements for repeat industrial customers. International shipments comply with chemical handling and transport regulations, supported by in-house documentation and compliance systems.
Our technical staff supports industrial buyers before, during, and after scale-up. Industrial partners leverage lab results, batch histories, and application guides direct from our production teams. If a manufacturing customer reports a change in downstream quality metrics, we provide root cause analysis in collaboration with plant engineers. New application projects benefit from direct feedback on compatibility and practical process adjustments, informed by our manufacturing experience. Our technical group acts as an ongoing resource for buyers implementing process changes or product optimizations.
Manufacturers that rely on predictable input quality gain measurable efficiency—lower rework rates, reduced cell defects, and streamlined upstream validation. Procurement teams minimize supply risk and benefit from steady, negotiated lead times. Distribution partners coordinating regional demand can pull from our periodic production cycles, improving delivery precision and inventory control for their clients. By not fragmenting our supply chain among resellers or outside agents, we hold all production, quality, and shipment responsibility in house, supporting reliable long-term supply relationships for industrial customers.
| Aspect | Manufacturer Control | Impact on Industrial Buyers |
|---|---|---|
| Production | Direct operational oversight, 24/7 internal monitoring | Consistent supply and compliance to specifications |
| Quality | Batch traceability, in-house analytics | Measured impurity levels, lot verification, audit-ready records |
| Packaging | Dedicated filling rooms, customizable industrial containers | Reduces contamination, fits process scale needs |
| Technical Service | Process support, direct access to plant engineers | Accelerates troubleshooting and process integration |
At our production site, the focus falls squarely on the details that drive the performance of lithium-ion batteries. Vinylene carbonate (VC) plays a critical role as an electrolyte additive, so our technical team pays uncompromising attention to its purity and impurity profile. Customers in battery and energy storage require VC of extremely high chemical purity. Subpar purity or the presence of specific impurities can lead to battery degradation, reduced cycle life, or even safety incidents. Our stake as a manufacturer goes beyond compliance—we ensure every batch supports the stringent needs of next-generation batteries.
For battery-grade use, VC content in our product typically reaches a minimum of 99.95% by GC analysis. Attaining and verifying this purity level in a large-scale manufacturing setup involves sophisticated purification and in-process controls. Even trace levels of foreign substances—measured in parts per million or even lower—can influence battery aging, gas production, or the formation of harmful byproducts in the cell. Batch-wise quality control, frequent calibration, and closed-loop process adjustments support our capacity to deliver material that meets the highest thresholds in global battery production.
Achieving close to absolute purity requires tight management of several key impurities. From our plant’s experience, these include:
Electrolyte formulators regularly raise the bar for even lower impurity profiles as battery technologies evolve—from mobile electronics to high-capacity electric vehicles. Our R&D team works alongside cell manufacturers to identify new trace impurities that may impair performance under cycle, temperature, or calendar aging conditions. We have invested in upgraded analytical instruments, allowing us to quantify trace contaminants such as hydrofluoric acid, organic acids, or phosphorus compounds. Rigorous root cause analysis and corrective actions support the industry’s lowest defect rates.
Delivering battery-grade VC to our customers isn’t a matter of running a standard process. It comes down to deep experience in scale-up, process control, and ongoing feedback from battery field-testing. Our technical support team stands ready to share analytical reports, third-party validation data, and long-term storage behavior studies. We keep transparent records on batch traceability so that any purity-related question is addressed fast and thoroughly.
Battery-grade vinylene carbonate demands more than generic chemical production. As direct manufacturers, we take this challenge seriously, equipping production, laboratory, and application support to match the standard set by the world’s top battery developers.
At our plant, Vinylene Carbonate production runs on a scale adjusted to meet the daily realities faced by battery manufacturers, electrolyte formulators, and specialty chemical houses worldwide. Our standard packaging addresses both bulk handling and demand for smaller, more manageable containers.
We offer our product in several industrial packaging sizes. Our most common unit is the 25 kg fiber drum with an internal polyethylene liner. Larger projects often request 200 kg steel drums, sturdy and easy to stack in warehouse racking or transport by full container load. For scale-up or pilot runs, we supply 1 kg and 5 kg aluminum-lined pails, sealed to maintain product integrity during longer storage or transport. For applications needing continuous flow, we can fill IBCs (Intermediate Bulk Containers) up to 1,000 liters with liquid-form stabilized Vinylene Carbonate. Choice of packaging isn't just about volume—it comes down to safe handling, compatibility with your existing material transfers, and regulatory compliance for transport both locally and internationally.
Manufacturing Vinylene Carbonate takes planning, especially as demand has grown alongside the expansion of the global lithium battery supply chain. For regular orders of in-stock sizes, our typical lead time runs 14 to 21 days from receipt of purchase order to final dispatch, reflecting not only the production cycle but also final QA checks and custom labeling or documentation for export compliance. For larger volume contracts or orders requiring non-standard packaging, we prepare a realistic production window based on current manufacturing loading and raw material stocks. During peak season, lead times for bulk drum purchases can extend as our lines allocate more batches to battery industry customers ramping up for new cell lines.
Supply chain disruptions—such as raw material delays or port slowdowns—sometimes affect shipping schedules. We mitigate these risks by monitoring inventory levels and raw material supply partnerships. Our order management team coordinates closely with our logistics partners, giving clients early warning when schedules shift outside our typical windows.
For export shipments, our minimum order sits at 100 kg, corresponding to four standard drums, which keeps per-unit shipping costs reasonable and simplifies customs procedures for our clients. Customers within the immediate industrial park or handled by our short-range logistics can purchase smaller quantities for laboratory validation, since we always allocate a portion of each batch for application development and R&D teams.
We recognize that small-scale battery startups and specialty formulators may require lower thresholds, especially for pilot phases. We address this by reserving flexible pail sizes and short-turnaround small-volume filling equipment, supporting early-stage innovation without forcing customers to purchase excessive quantities. For repeat business or annual contracts, we build buffer inventory through framework agreements, smoothing out sudden spikes in your production needs.
Our production, QA, and logistics teams work hand-in-hand daily to keep pace with changing customer requirements, new applications, and regulatory checks that come with specialty chemicals like Vinylene Carbonate. Early engagement between production planning and customer technical teams shapes lead time and packaging discussions. We pay attention to shifting specifications from material scientists and process engineers, feeding these changes right into our production schedule and packaging workflows.
Moving Vinylene Carbonate from plant floor to client facility calls for more than just drums and labels. It's a process built on regular communication, practical packaging solutions, and a shared sense of urgency. As a direct manufacturer, our approach keeps technical transparency and responsiveness at the center of every order, no matter the scale.
We ship vinylene carbonate worldwide, so we work directly with international transport rules daily. The product falls under dangerous goods regulation because it is classified as hazardous for transport. Both the United Nations Recommendations and the International Maritime Dangerous Goods (IMDG) Code assign vinylene carbonate a UN Number, usually UN 2920 or UN 2924, recognized broadly for flammable liquids with corrosive properties. On air cargo shipments, we follow IATA’s strict lithium battery and solvent regulations.
Every package leaving our facility meets these hazardous material standards. Labels on every container display the correct pictograms — flame and corrosive symbols required by the UN’s Globally Harmonized System. Placards and the correct UN number are included visibly. Our technical staff handle the paperwork to document these transport details, and our batch numbers and product certificates track everything shipped from our site.
Our operators and logistics experts undergo specialized dangerous goods training, following both Chinese national law and the target country’s import rules. Storage and loading areas at our plant are separated physically from regular operations to reduce accident risk. Our standard packaging for vinylene carbonate uses high-integrity materials that contain aggressive chemicals. Every drum or intermediate bulk container has leakproof, tamper-resistant closures, and all palletizing meets the drop, compression, and stacking benchmarks set out by IMDG and IATA for hazardous goods.
In the manufacturing process, we eliminate contamination risks and prepare vinylene carbonate batches with precision. We store raw materials in isolation and restrict workplace access around finished product storage, integrating real-time monitoring for temperature and humidity. Spill control materials sit in every loading area, and our logistics team routinely drills emergency response procedures, so local and international inspectors see compliance in practice — not just on paper.
Exporting hazardous chemicals like vinylene carbonate calls for careful documentation, not just for customs but for carrier and end-user safety. Every shipment from our facility goes out with the following paperwork as standard:
Shipping hazardous chemicals often encounters challenges: regulatory updates, changing carrier policies, port restrictions, and weather can disrupt schedules. Our logistics team tracks regulation changes from Europe, the US, and Asia-Pacific weekly and updates routing if new security or environmental rules affect our regular ports. We maintain reserve certified packaging so last-minute order adjustments do not cause delays. Compliance monitoring and rapid document cycle times keep our customers’ supply chains moving.
Clarity, preparation, and hands-on control mark the difference in international chemical transport. We make sure every shipment meets the tightest standards for vinylene carbonate because our customers rely on trouble-free, traceable, legal delivery each time.
For product inquiries, sample requests, quotations or after-sales support, please feel free to contact me directly via sales9@bouling-chem.com, +8615651039172 or WhatsApp: +8615651039172
