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Methyl Chloroformate

    • Product Name Methyl Chloroformate
    • Alias MCF
    • Einecs 204-498-3
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    311285

    Cas Number 79-22-1
    Molecular Formula C2H3ClO2
    Molecular Weight 94.50 g/mol
    Iupac Name Methyl chloroformate
    Appearance Colorless liquid
    Boiling Point 70 °C
    Melting Point -80 °C
    Density 1.199 g/cm³
    Solubility In Water Reacts with water
    Vapor Pressure 185 mmHg at 20 °C
    Flash Point 3 °C (closed cup)
    Odor Pungent, strong
    Un Number 1231

    As an accredited Methyl Chloroformate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 500 mL amber glass bottle, sealed with a Teflon-lined cap, labeled "Methyl Chloroformate" with hazard and handling instructions.
    Shipping Methyl Chloroformate is shipped as a hazardous material, typically in tightly sealed, corrosion-resistant containers such as steel drums or glass bottles. It must be kept cool, dry, and away from acids, bases, and moisture. Proper labeling, documentation, and handling in compliance with international transport regulations (such as UN 1239) are mandatory.
    Storage Methyl chloroformate should be stored in a cool, dry, and well-ventilated area away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and place it in a corrosion-resistant, compatible container. Separate from bases, acids, oxidizing agents, and moisture. Use proper chemical safety labels and ensure spill containment measures are in place. Store under an inert atmosphere if possible.
    Application of Methyl Chloroformate

    Applications of Methyl Chloroformate in Industrial Manufacturing

    Methyl chloroformate serves as a key intermediate for a select range of chemical transformation processes in industrial manufacturing. As the direct producer, we support downstream partners operating in strictly regulated specialty sectors, delivering material with batch-to-batch quality assurance for sensitive synthetic workflows. Below, we present several real-world deployment scenarios, each shaped by unique compliance needs, validated formulation ratios, process integration points, and target end products.

    1. Agrochemical Active Ingredient Synthesis

    Downstream agrochemical producers employ methyl chloroformate in the synthesis of carbamate-based pesticides and herbicides, where it enables carbamoylation reactions critical for constructing the active molecule backbone. Formulators select the addition rate based on substrate reactivity and required yield, while manufacturing plants incorporate the compound directly in the reaction step following amine raw material charging. Finished goods typically include selective pre- and post-emergence herbicides, as well as insecticides exported worldwide under strict stewardship.

    Industry compliance standards

    • FAO/WHO International Code of Conduct on Pesticide Management
    • REACH Regulation (EC No 1907/2006) for European production
    • ISO 9001:2015 certified QC for intermediates
    • Local agrochemical registration authorities (e.g., US EPA, China ICAMA)

    Typical usage ratio

    • 0.6 – 1.5 molar equivalents relative to primary amine substrate; adjusted based on target yield, purity, and aminolysis rate

    Downstream process integration

    • Direct dosing into the carbamoylation or carbamate formation reactor, immediately after amine addition and temperature stabilization

    Final product types

    • Carbofuran, methomyl, thiophanate-methyl technical concentrates and formulated pesticide products
    • Other carbamate fungicides and herbicides

    2. Pharmaceutical Intermediate Manufacturing

    Pharmaceutical synthesis platforms use methyl chloroformate to introduce protective carbomethoxy groups onto amino acid and peptide backbones, an essential step in peptide API contract manufacturing. This protects amine moieties temporarily during multi-step assembly, enhancing selectivity in downstream couplings. Production facilities follow validated master batch records to control charging, in-process checks, and subsequent deprotection. APIs destined for regulated markets rely on this process for purity and batch consistency.

    Industry compliance standards

    • ICH Q7 GMP guidelines for active pharmaceutical ingredient manufacture
    • USP/NF and European Pharmacopoeia specifications for pharmaceutical intermediates
    • FDA 21 CFR Part 210/211 for US-bound APIs

    Typical usage ratio

    • 1.02–1.15 molar equivalents per free amine group on the peptide or amino acid substrate; exact value depends on protection efficiency and minimization of over-carbamoylation side products

    Downstream process integration

    • Added during the amine protection stage in batch or continuous peptide synthesis, monitored via HPLC for completion before subsequent coupling steps

    Final product types

    • Fmoc- or Boc-protected amino acids
    • Protected peptide building blocks for oligopeptide or polypeptide APIs

    3. Specialty Polymer Intermediate Production

    The chemical feedstock sector incorporates methyl chloroformate in the preparation of methoxycarbonyl-functionalized monomers for high-performance polymers. This application requires careful stoichiometric balance to avoid chain termination and undesired branching, while ensuring the targeted copolymer structure. Facilities use it at a precise step following polyol or amine functionalization, combining in closed reactors under controlled temperature and vacuum. Finished products include specialty polyester and polyurethane resins engineered for niche industrial applications.

    Industry compliance standards

    • ISO 14001:2015 for environmental practices in polymer synthesis
    • ASTM D7017 for monomer quality requirements
    • Local occupational health and safety standards (e.g., OSHA Process Safety 1910.119 for US plants)

    Typical usage ratio

    • 0.95–1.05 molar equivalents per hydroxyl or amine group; ratio fine-tuned to control molecular weight distribution

    Downstream process integration

    • Fed into the reaction after polyol/amine activation, under continuous mixing, before subsequent polymerization or transesterification steps

    Final product types

    • Methoxycarbonyl-functionalized polyester resins
    • Polyurethane specialty elastomers and adhesives

    4. Fine Chemical Carbonate Ester Production

    Manufacturers of specialty solvents and performance additives deploy methyl chloroformate in the synthesis of dialkyl carbonate esters and other carbonate derivatives. The process involves key nucleophilic substitution reactions, and optimization centers on achieving the desired alkyl chain incorporation while minimizing chlorinated byproducts. Formulation engineers regulate dosing carefully, and the process slot follows alcohol charging with real-time monitoring for exotherm control. Output includes solvents and intermediates used in coatings, inks, and electronic materials.

    Industry compliance standards

    • REACH and GHS regulation conformity for handled solvents
    • ISO 9001:2015 and ISO 14001:2015 for operational quality and environmental management
    • Specific end-use segment requirements (e.g., IEC standards for electronics)

    Typical usage ratio

    • 1.00–1.10 molar equivalents per alcohol for targeted ester yield; lower ratios may apply for stepwise procedures to limit excess reagent

    Downstream process integration

    • Introduced after all alcohols and catalysts are charged, with temperature ramped as required, followed by distillation to purify carbonate ester

    Final product types

    • Dimethyl carbonate
    • Ethyl methyl carbonate
    • Mixed alkyl carbonate intermediates for battery, ink, and coating sectors

    5. Laboratory Scale Analytical Derivatization Reagents

    Analytical and reference standard laboratories use methyl chloroformate as a derivatization agent for the preparation of methyl carbamate derivatives, which facilitate quantitative amino acid, amine, and alcohol analysis by gas chromatography and HPLC. This requires accurate micro-amounts under well-ventilated conditions, and labs maintain strict documentation aligned with analytical method validation. Material is introduced during sample pretreatment, with reaction completeness checked via chromatography before injection. Generated derivatives enable certified calibration and process validation workflows.

    Industry compliance standards

    • ISO/IEC 17025 accreditation for analytical laboratories
    • GLP (Good Laboratory Practice) relevant to regulated environments
    • IFCC and AOAC methods for clinical and food amino acid quantification

    Typical usage ratio

    • 5–10 µL per 1 mL of sample for GC/HPLC sample derivatization; adjusted based on analyte concentration and method sensitivity

    Downstream process integration

    • Added during sample pretreatment, immediately before chromatographic analysis, with internal standard checks for derivatization efficiency

    Final product types

    • Methyl carbamate amino acid derivatives for quantitative analysis
    • Carbamoylated analyte standards
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    Certification & Compliance
    More Introduction

    Methyl Chloroformate: Direct from the Manufacturer

    Understanding This Workhorse in Specialty Chemistry

    After years working next to reactors and shipment bays, our team knows Methyl Chloroformate as more than just a line on an order sheet. This colorless liquid can unlock routes in organic synthesis that laboratory technicians and plant managers count on. Its chemical formula, C2H3ClO2, gives nothing away about the hundreds of practical questions that buyers ask each year: purity, concentration, safe packaging, and comparison to related compounds.

    Packing Experience into Every Batch

    We build Methyl Chloroformate to meet the challenges of industrial scale. Fresh batches flow straight from our reactors, minimizing time in storage. Chemists pay careful attention to gas chromatography and moisture analysis, since stray water spoils reactivity and produces hydrochloric acid on contact. In our plant, every run receives a certificate of analysis with specifics—purity typically hits or exceeds 99.5%.

    Volume flexibility often separates manufacturers from distributors. Some customers depend on drums for pilot studies, others on ISO tanks for multi-ton loads. We deliver both with proper venting to control pressure. Our reputation grows when each shipment lands clear, pale, and ready for your process—whether you’re scaling up production or running a few syntheses.

    Real Use Cases and Applications

    This compound has anchored a significant role in pharma and agrochemical synthesis. In the lab and plant, its main job is to offer a clean source of the methoxycarbonyl group. Production of pesticides, herbicides, and certain active pharmaceutical ingredients would slow without it. On return visits, some clients show us NMR spectra of their intermediates—they’re watching for signal shifts that prove a methyl carbamate or ester has formed.

    We see this chemical in peptide synthesis too, especially for introducing protection groups. Methyl Chloroformate reacts fast and selectively with amines. University researchers sometimes call us to talk through stoichiometry or acid scavenger selection. They want to keep reaction mixes simple, avoid unwanted ureas, and make downstream separation painless.

    How Our Methyl Chloroformate Stacks Against Alternatives

    Comparisons with Ethyl Chloroformate or Isopropyl Chloroformate come up frequently. Chemically, the methyl analog boasts a greater tendency to react quickly, especially at modest temperatures, making it desirable for sensitive substrates. In real use, this means sharper yields and lower by-products in methyl carbamate formation. Our long-term buyers often comment that the methyl version’s volatility streamlines removal after reaction while limiting thermal degradation of their product.

    Some users consider cost and waste management along with performance. Methyl Chloroformate’s smaller molecular weight and unique reactivity often let plant engineers cut back on reaction times or tough workup protocols. Spent solvent and vented gases remain a challenge, so our technical team shares their expertise on condensers and piping resistant to acid corrosion. The result is less unscheduled downtime and a safer shop floor.

    Handling Real World Challenges

    Stability and storage get at the heart of the manufacturer’s job. The chloroformate group means the liquid needs dry, cool storage, away from bases, acids, or water. If exposed to ambient moisture, it degrades, releasing HCl and leftover methyl alcohol. For years, our shipping managers have worked closely with packaging partners to use sealed, pressure-rated drums and labels that warn of volatile fumes and corrosivity.

    On the receiving end, process engineers rely on quick unloading and venting protocols, which keeps their operators safe from splashes and vapors. We’ve seen customers set up dedicated transfer lines in stainless steel, so staff never open a drum until it’s ready for metered addition. Regular internal maintenance checks, mandatory training, and vapor scrubbing systems play a bigger role than any label or data sheet.

    Certification and Traceability

    Unlike casual traders, the chemical manufacturer stands behind batch numbers and lot history. Our documentation dates back years, mapping out every step: raw material sourcing, in-process controls, and finished goods testing. End users from regulatory-driven sectors—especially pharmaceuticals—count on this trail. The difference shows up during compliance audits, where full traceability helps clients answer tough questions from inspectors.

    We continually invest in analytical infrastructure for each batch. Whether it’s instrument upkeep or hiring experienced QC chemists, robust data underpins our reputation. This certainty becomes critical whenever production lines switch suppliers or when a customer launches a new product. Some partners run new batches alongside their old standard and compare sample spectra. Our technical team often walks them through overlaying chromatograms and plotting product stability over time.

    Looking for Continuous Improvement

    Our team faces constant pressure to minimize batch divergence. We tighten conditions around distillation, hold residual acid or chloride at near undetectable levels, and conduct random sampling at multiple points. This close monitoring prevents surprises during customer blending or reaction scale-up. Additives and anti-oxidants remain rare in the methyl chloroformate process; most clients prefer an additive-free product for clean reaction profiles, so we stick to that approach.

    Clients sometimes approach us for special lots, perhaps with even greater purity or altered packaging. In real practice, we tweak our plant campaign only after a detailed technical review. This guards against downstream risk, especially with large scale runs that can’t afford a batch failure. Our site chemists and engineers have worked both sides of the fence, understanding that while chemistry might be repeatable, every customer’s risk looks a little different.

    Supporting the Customer—Not Just Supplying Material

    Some customers need help troubleshooting foam or pressure spikes during their reactions. Our technical support has seen a full range of equipment setups—from rotary evaporators in academic labs to jacketed reactors in continuous plants. We talk through condenser sizing, vent scrubber media, and recommended temperatures for both addition and work-up. This hands-on advice differs from generic answers in supplier product sheets, and many of our repeat buyers come to us early in their process development stages.

    Over the years, we’ve catalogued the most common problems. Water ingress during shipment, overexposure to light, or accidental mixing with strong bases can all spoil the batch. To help customers avoid these pitfalls, we run training sessions and share written protocols; not just to cover liability but to keep production lines humming and reduce raw material waste.

    Regulatory Landscape and Safety Focus

    Modern customers expect full transparency around chemical hazards, restricted uses, and export labeling. As the primary manufacturer, we control our raw material sources and maintain an eye on global regulatory shifts. Our SDS reflects current hazards and transport requirements for sea, rail, and roadway. For regions with tighter controls, such as the European Union or North American markets, we pre-verify labeling and UN classification, never leaving compliance to chance.

    Buyers sometimes express concern about accidental releases or exposure incidents. We recommend local exhaust ventilation, fume extraction, and appropriate personal protective gear for all receiving personnel. In large-scale plants, robust emergency response plans make a real difference, especially where production runs 24/7. Our own facility conducts regular emergency drills, keeping workers prepared for leaks, drum damage, or unexpected pressure build-up.

    Environmental Responsibility

    No chemical production is impact free, and methyl chloroformate poses particular challenges from venting and eventual breakdown. Scrubbing HCl from vented gases, treating spent solvents, and minimizing fugitive emissions are part of our plant’s weekly routine. Some clients now track the life-cycle footprint of their raw materials, so we maintain open communication about process upgrades and recovery rates.

    Several years back, our environmental team rebuilt the vent header and installed a new gas scrubbing system. Waste recycling and minimization now measure up not just as compliance issues, but as cost-saving and trust-building priorities. Customers want to know their suppliers take these steps seriously, which is why our annual reports feature actual emission figures audited by third-party agencies.

    Building Trust in Critical Supply Chains

    The current environment favors suppliers willing to share more than just a product. Our relationships stretch beyond contracts, anchored by consistency, open dialogue, and an ability to solve problems when schedules fail. Methyl Chloroformate rarely receives the spotlight—yet in the middle of a production run or new process launch, its quality and reliability can save days of rework or thousands in lost yield.

    Some pharmaceutical projects have spanned multiple years and regulatory phases, requiring us to maintain continuity of supply, fill custom documentation, and support scale-up trials. Agrochemical development, too, remains unpredictable. Customers routinely shift demand year by year, balancing inventory and shelf life. As the original producer, we weather these swings better than resellers who chase stock; our ongoing process knowledge matches well with customers committed to long-term partnership.

    Why Source Methyl Chloroformate Direct?

    Direct conversation replaces guesswork. Our clients appreciate hearing precisely how each batch is made, checked, and delivered. Surprises are rare—last year less than a fraction of a percent of shipments suffered any off-spec result, a record that comes from continuous learning and steady personnel training. We invest in plant infrastructure and documentation, not just to check boxes but because it prevents headaches, line outages, and the domino effect throughout a plant.

    Unlike stockists or traders, we build relationships by staying present through each challenge. Customers can call technical leads or site engineers for application specifics, not just a general sales desk. When trouble strikes—say, a reaction stalls unexpectedly or off-odors develop—our plant team works through root causes, sharing years’ worth of observations and field data.

    Future Outlook: Continuous Collaboration and Innovation

    Raw material markets keep changing, and client expectations rise each season. Our factory now integrates real-time process monitoring and advanced analytics, catching issues before they reach the drum. In 2023, we rolled out a process improvement that let us cut waste by several percent, yielding positive feedback from buyers concerned about sustainability.

    Clients increasingly ask about digital batch records, SCADA integration for process verification, and compatibility with their ERP systems. Adapting to these needs takes close collaboration between our IT, QA, and operations teams. Our willingness to trial new technology and process controls not only keeps us certified with leading global standards, but also earns repeat business from customers who value responsiveness and data transparency.

    Summary—Trust, Transparency, and Technological Backbone

    Methyl Chloroformate remains essential for chemists tackling carbamate, ester, or methoxycarbonyl formation. As the originator, we focus on batch reliability, technical support, and streamlined logistics rather than just filling orders. Our process experience, safety systems, and environmental commitments carry over to each shipment, ensuring your lab or plant can count on the outcome. We bring both the scale of a manufacturer and the perspective of chemists who’ve solved many of the same challenges. That commitment guides each job, shipment, and phone call.