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1-Chloroethyl Ethyl Carbonate

    • Product Name 1-Chloroethyl Ethyl Carbonate
    • Alias Ethyl (1-chloroethoxy)carboxylate
    • Einecs EINECS 695-643-4
    • 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
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    Specifications

    HS Code

    392989

    Chemical Name 1-Chloroethyl Ethyl Carbonate
    Molecular Formula C5H9ClO3
    Molecular Weight 152.58 g/mol
    Cas Number 39762-48-2
    Appearance Colorless to pale yellow liquid
    Boiling Point 102-104 °C at 13 mmHg
    Density 1.155 g/cm3 at 25 °C
    Refractive Index 1.428-1.430
    Purity Typically >97%
    Solubility Decomposes in water

    As an accredited 1-Chloroethyl Ethyl Carbonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1-Chloroethyl Ethyl Carbonate is supplied in a 25g amber glass bottle with a secure screw cap, labeled with hazard warnings.
    Shipping **Shipping Description for 1-Chloroethyl Ethyl Carbonate:** 1-Chloroethyl Ethyl Carbonate should be shipped in tightly sealed containers, away from heat, sparks, and open flames. It must be protected from moisture and incompatible substances. Transport in compliance with relevant local, national, and international regulations, including labeling for hazardous chemicals if required. Handle with suitable personal protective equipment.
    Storage Store 1-Chloroethyl Ethyl Carbonate in a tightly sealed container in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong acids, bases, and oxidizers. Use secondary containment to prevent leaks and label appropriately. Protect from moisture and avoid storing near ignition sources. Handle under a fume hood and wear appropriate personal protective equipment.
    Application of 1-Chloroethyl Ethyl Carbonate

    Applications of 1-Chloroethyl Ethyl Carbonate in Industrial Manufacturing

    As a direct manufacturer, we work closely with global industrial processors to deliver high-purity 1-Chloroethyl Ethyl Carbonate for advanced synthesis and specialty applications. Below, we outline distinct application areas where this compound integrates as a critical intermediate, highlighting precise usage parameters, downstream integration points, and end-product types according to current regulatory and quality frameworks acknowledged in genuine industry practice.

    1. Electrolyte Additive for Lithium-Ion Battery Manufacturing

    Battery cell producers incorporate this raw material as a specialty additive during the fine-tuning of non-aqueous electrolyte solutions. It supports improved formation cycle stability and extends service life in next-generation lithium-ion batteries, especially in high-voltage and fast-charging applications, by facilitating the formation of robust SEI (Solid Electrolyte Interphase) films.

    Industry compliance standards

    • IEC 62660-2 (Secondary lithium-ion cells for EV propulsion)
    • Sony / Panasonic / LG Energy Solution in-house battery material QC protocols
    • UN 38.3 (Transport of Dangerous Goods for battery electrolytes)
    • RoHS and REACH conformity for chemical substances

    Typical usage ratio

    • 0.5–3.0% by weight in solvent blend, adjusted according to the cell type (NMC, LCO, LFP) and manufacturer’s electrochemical testing data

    Downstream process integration

    • Added in situ during final electrolyte formulation; introduced directly into bulk solvent blend (typically EC/DMC/EMC-based) in a closed, moisture-controlled mixing system prior to injection into battery cells

    Final product types

    • High-energy density cylindrical lithium-ion cells (21700, 18650)
    • Pouch-type EV modules
    • Consumer electronics battery packs
    • Grid-scale stationary storage batteries

    2. Intermediate for Pharmaceutical API Synthesis

    This compound serves as a reactive alkylating agent in the multi-step synthesis of select pharmaceutical actives and protected intermediates. Its unique functional group allows controlled carbonate protection and deprotection, minimizing byproduct generation and supporting GMP batch consistency in scale-up environments for regulated APIs.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • EU GMP Annex 1 (Sterile medicinal products)
    • USP – NF and European Pharmacopoeia monographs (where relevant)
    • US FDA and EMA chemical synthesis dossier filing requirements

    Typical usage ratio

    • 1.1–1.5 molar equivalents relative to substrate; adjusted based on substrate reactivity and protection group strategy

    Downstream process integration

    • Introduced during the carbonate protection step in a multi-stage batch synthesis line, typically in anhydrous organic media prior to downstream hydrolysis and API isolation

    Final product types

    • Small-molecule oral solid dosage APIs (e.g., functionalized benzimidazole derivatives)
    • Protected pharmaceutical intermediates
    • API precursors for non-sterile and sterile finished dosage forms

    3. Solvent Modifier in Fine Chemical Synthesis

    This material acts as a unique polarity-adjusting agent in the design and manufacture of specialty ethers, esters, and carbonates within the fine chemicals sector. It enables targeted reaction conditions for selective transformations, especially in the synthesis of high-purity functional monomers and specialty resins, while allowing downstream removal using standard workup methods.

    Industry compliance standards

    • ISO 9001-certified manufacturing QMS
    • REACH Title IV (Chemicals Notification and Registration)
    • Responsible Care® chemical stewardship guidelines
    • Globally Harmonized System (GHS) for labeling and transport

    Typical usage ratio

    • 5–10% by volume as a co-solvent or process reagent, tailored according to substrate solubility and reaction yield optimization studies

    Downstream process integration

    • Pumped into the primary reactor during staged addition or as part of a pre-mixed solvent system for controlled-temperature nucleophilic or electrophilic substitution reactions

    Final product types

    • Optically pure monomers for electronics-grade polymers
    • Specialty UV-curable acrylates and carbonates
    • High-value intermediates for aroma chemicals

    4. Building Block for Specialty Agrochemical Synthesis

    Chemical crop protection manufacturers employ this raw material as a strategic alkylating carbonate intermediate, enabling the tailored design of next-generation selective herbicides and fungicides. Controlled reaction parameters provide synthetic access to key protected groups that promote product shelf-life and in-field stability.

    Industry compliance standards

    • FAO/WHO specifications for pesticide formulation quality
    • OECD Principles of Good Laboratory Practice (GLP)
    • EU Regulation (EC) No 1107/2009 for plant protection products
    • China GB/T 1604 technical standards for agrochemical intermediates

    Typical usage ratio

    • Typically 1.0–1.2 equivalents compared to the agrochemical active core, adjusted to minimize unreacted starting materials during scale-up synthesis

    Downstream process integration

    • Dosed into the reaction vessel during the controlled carbonate protection step for heterocyclic ring intermediates, ahead of downstream hydrolysis and formulation

    Final product types

    • Precursor compounds for selective triazole fungicides
    • Intermediate building blocks for pyridine-based herbicides
    • Stabilized shelf-life enhanced agrochemical actives

    5. Precursor for Performance Polymer Synthesis

    Advanced materials manufacturers integrate this substance as a carbonate monomer precursor in the synthesis of specialty polycarbonates and copolymers. Its structural moiety enables the construction of tailor-made polymer chains offering controlled thermal and mechanical profiles, suited to demanding engineering specifications such as those required in automotive and electronic applications.

    Industry compliance standards

    • ISO 9001:2015-certified polymer production
    • RoHS directive compliance for plasticizers and residual monomers
    • ISO 14001:2015 environmental management (for high-volume chemical operations)
    • Product-specific customer acceptance testing standards

    Typical usage ratio

    • 5–15 mole-% within polymerization feedstock; exact dosing determined by desired copolymer ratio and end-use mechanical property targets

    Downstream process integration

    • Incorporated directly into the monomer feed section of continuous polymerization reactors, with monitored addition during chain formation and molecular weight control stages

    Final product types

    • High-toughness specialty polycarbonates
    • Copolymer blends for automotive interior parts
    • Electronics-grade polymer substrates

    6. Process Agent in High-Purity Electronic Chemicals Production

    Producers of semiconductor-grade chemicals utilize this compound as a process reagent during the manufacture of high-purity wet chemical etchants and photoresist ancillary agents. Its controlled reactivity profile allows stepwise functionalization and minimal trace residue, helping maintain critical purity levels required for 200mm/300mm wafer fabrication processes.

    Industry compliance standards

    • SEMI C3/C35 (Specifications for chemicals used in semiconductor and flat panel processes)
    • Tier 1 IDM (Integrated Device Manufacturer) approved material specifications
    • IATF 16949 automotive semiconductor quality system
    • TCLP (Toxicity Characteristic Leaching Procedure) for waste management

    Typical usage ratio

    • 0.25–2.0% by volume in batch non-aqueous process solutions, based on stage requirements and in-line purity analytics

    Downstream process integration

    • Meticulously metered into closed-loop chemical blend lines for lithography-related reagent production; utilized primarily in etchant and surface conditioning formulations prior to wafer rinse and recovery

    Final product types

    • Semiconductor wet etchants
    • Photoresist developer process chemicals
    • Specialty wafer cleaning agents
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    Certification & Compliance
    More Introduction

    1-Chloroethyl Ethyl Carbonate: Experience-Driven Manufacturing for Advanced Synthesis

    Making 1-Chloroethyl Ethyl Carbonate: What It Takes

    Walking the line between purity, consistency, and industrial practicality—that’s been the everyday challenge in the manufacture of 1-Chloroethyl Ethyl Carbonate. This compound, known among chemists as a reliable reagent and intermediate, demands a foot in both synthetic chemistry and the realities of chemical production. The process puts trust in monitored reaction conditions, dependable purification, and robust quality checks. Out here, process engineers recognize purity as a decisive factor not just for yields, but for reducing waste streams and costly troubleshooting. Stringent reaction and storage controls keep its reactivity in check, guarding against byproducts that can complicate downstream chemistry.

    Specifications Crafted for Real-World Chemistry

    Our typical batches of 1-Chloroethyl Ethyl Carbonate clock in at a purity that stands up to the requirements of multistep syntheses. A clear, colorless liquid with a distinct density and boiling point, the chemical needs nothing less. Every single run, we track key analytical markers—NMR, IR, and GC—all matched against our own in-house reference standards shaped by customer projects. Over decades, we’ve phased out practices that let in trace moisture and halides. These contaminants, even in low ppm, can drag down sensitive reactions. Control of chlorinated byproducts and ethyl carbonate ion excess defines the margin between a reliable intermediate and wasted resources.

    Lot-to-lot reproducibility matters more than paperwork can ever show. Chemists on our floor compare fresh jobs against retained reference samples, not just ticking boxes but evaluating them based on their direct performance in our test reactions—sooner or later, every trickle-down of impurity tells its story. That’s why placing quality assurance teams in the same building as the production reactors drives fast improvement, not just compliance.

    Practical Performance in the Lab and Plant

    1-Chloroethyl Ethyl Carbonate often finds itself on the bench or in the reactor as an alkylating agent, a protecting group, and, at times, a transient intermediate for larger, more complicated targets. High reactivity and controllable selectivity give it an edge in pharmaceutical synthesis, cutting out protection and deprotection steps that otherwise gnaw at time and budget. Customers in the field—whether in pilot or full-scale—notice right away if a batch loses reactivity or behaves unpredictably. The feedback loops between them and our manufacturing crew make for continuous adjustment, whether that means changing the water content, adjusting the temperature ramp, or revisiting the workup to pull out tenacious byproducts.

    Our plant technicians and chemists know that a missed hotplate cycle or even a slightly off pH in the final wash step can echo down the entire synthetic process. A run of 1-Chloroethyl Ethyl Carbonate with slightly higher acid chloride residues turns some downstream steps sour—literally—and damages the chance for a clean product. That practical memory, not just process diagrams, guides our adjustments to the process. Years of data mean we rarely see surprise failures, but each deviation, no matter how small, leads back to a lessons-learned review.

    Close Comparison: What Sets 1-Chloroethyl Ethyl Carbonate Apart

    While there’s no shortage of alkyl carbonates on the market, each variant brings baggage—especially for those pushing the boundary in medicinal chemistry or fine organics. Methyl carbonates often bring too much volatility, polluting columns or bubbling off in open reactions. Bulky t-butyl or isopropyl carbonates trade some stability but slow down reaction rates, frustrating chemists chasing throughput or sharper selectivity.

    By contrast, 1-Chloroethyl Ethyl Carbonate delivers reactive chlorine in a compact package. Its sterics and electronics strike a middle ground: it’s reactive enough to engage nucleophiles efficiently, yet not so volatile or flammable as to complicate handling. The 1-chloroethyl group avoids the over-stability that haunts larger carbonate esters, which can slow down conversions and introduce stubborn side-products at scale. The ethyl carbonate backbone doesn’t linger, breaking down smoothly in workup to benign fragments. Every synthetic chemist who’s forced to drill through byproduct sludge at kilo scale comes to appreciate this clean finish.

    Usage Insights from Real Chemical Synthesis

    Chemists in drug development often hit bottlenecks during late-stage modifications. Flexible intermediates like 1-Chloroethyl Ethyl Carbonate help unlock those bottlenecks. The compound’s clean leaving group profile makes it suitable not just for small-batch pilot runs but also for larger campaigns, where isolation and purification at scale can tax both time and solvent budgets.

    The ability to introduce a protected hydroxyl group that is both stable under neutral conditions and easy to liberate when needed allows new retrosynthetic routes to open up. We’ve seen partnering labs favor it over older, less predictable reagents because it not only delivers the functional behavior but cuts out extra chromatography. Our own experience supplying gram to multi-kilo orders has led us to adjust batch sizes and inventory policies to keep up with parallel projects typical in pharma R&D.

    No chemical reagent solves every problem. Some reaction partners, especially stubborn nucleophiles, call for different reagents or shifted conditions—every bench chemist knows the drill. But based on feedback from teams scaling up synthesis for APIs and research compounds, 1-Chloroethyl Ethyl Carbonate stands out where selectivity and efficiency pull more weight than mere raw reactivity.

    Production Footprints and Environmental Considerations

    Decades in this business have taught us that no manufacturing process can long ignore its footprints—whether solvent emissions, effluent loads, or energetic costs. Producing 1-Chloroethyl Ethyl Carbonate involves chloroformate chemistry, and that brings with it careful stewardship of chlorinated solvents and side-products. Our team replaced legacy solvent systems to reduce toxic load—taking out chlorinated organics in post-reaction workup steps, using closed-loop repressurization to capture fugitive emissions, and investing in scrubber units that drop VOCs below regulatory limits on every batch.

    Batch design itself shapes waste: our optimization to minimize excess reagents and pull back side reactions came not out of abstract “green chemistry” ideals, but from constant dialogue with our in-house process safety and waste-stream management teams. Years ago, kilogram-scale campaigns started generating off-specification streams we couldn’t just ship off-site. This forced us to grind through root-cause fixes—inlet quality, temperature shifts, reagent aging—until we pulled reject rates below a few percent. No process is perfect, but direct engagement beat top-down decrees.

    Waste minimization, solvent recovery, and secondary treatment now play out as everyday practice. At every step, technicians consult analytics and waste fingerprints so downstream units aren’t stuck with unexplained spikes. The difference shows up in the safety record and in maintaining permits—even as production scales up. Decentralized quality checkpoints have replaced the old bottleneck of central QC labs. It’s not faster or cheaper by default, but it builds process trust and accountability from the floor up.

    Handling Considerations and Real-World Safety

    Any chemist or operator who’s worked through the quirks of 1-Chloroethyl Ethyl Carbonate knows that safety is woven into daily routines, not national safety weeks. Exposure controls, containment, and thoughtful vessel selection make up the backbone of handling protocols. The compound reacts with strong nucleophiles and bases, sometimes with sharp exotherms—these are not abstract talking points. Rotovaps clogged with vapor, benchtop hoods fogged up overnight, these markers from the lab floor inform practical guides for safe and efficient handling and storage.

    We learned early that even stable-appearing samples can pick up decomposition products with careless exposure to heat or moisture. Analytical checks before charging into high-value syntheses help avoid predictable and costly scrambles. Our workers engage with supervisors not just for regulatory training but for the practical “what ifs”—glove selection, goggles, fire risk, real stories relayed at morning meetings. On-the-ground communication, not just prints of SDS sheets, drive safety for both small volume lab use and bulk chemical transfers or packaging.

    Equipment that handles the compound sees routine checks, especially for seals, vapor containment, and calibration of metering pumps. The same care with storage—cool, dry, away from strong acids or bases—reflects not legal minimums, but lived experience with edge-case failures. Regular walk-throughs by process engineers encourage prompt reporting—not sweeping problems under the rug. If a transfer runs a little longer or a reading seems unfamiliar, it triggers a check, not a reprimand. This attitude reduces near-misses and gives customers confidence in every drum or bottle received.

    Batch-to-Batch Learning: The Everyday Value of Feedback

    The most reliable improvements in product quality have never stemmed solely from fresh equipment or digital dashboards. Most come from ordinary operators and bench chemists feeding back on what works and what does not, either through formal reports or just afternoon conversations. For 1-Chloroethyl Ethyl Carbonate, pattern recognition over hundreds of runs made clear which steps shaped color stability, shelf life, and reactivity. Sometimes that meant reworking filter times. Sometimes it led to adjusting pre-cooling routines after observing sluggish downstream performance.

    Feedback from the fields—be it a university research lab or API production line—loops back to adjustments in formulation and packaging. Tight feedback cycles mean tweaks happen at the weekly, not annual, timescale. We’ve moved from standard glass packaging to custom-lined drums for bulk users who found trace corrosion issues. In response to shipping during hot months, insulation protocols were added, despite costing more, to stop thermal degradation seen in Western routes. Each solved complaint is an incremental edge—less about reputation, more about living up to the practical, on-the-ground requirements that actual users describe.

    Trust Built on Transparency, Not Marketing

    Whether a scientist orders 100 grams for a feasibility run or a plant manager schedules delivery by the drum, they deserve to know exactly what’s coming in and how it can impact their project. No glossed-over numbers or vague technical jargon suffice for practitioners who’ve seen reactivity drift and downstream stickiness derail project timelines. That’s why sample documentation includes full analytical traces, not just summary sheets. Any flagged deviation—no matter how slight—is disclosed, and technical support picks up the phone when surprises or difficulties arise. Shipping partners are vetted for route reliability, and logistics teams log environmental exposure trends, not just travel times.

    Customers have made it clear: real value flows from manufacturers who show their work, adapt to specific synthesis bottlenecks, and build in contingency for the unpredictable. 1-Chloroethyl Ethyl Carbonate made right is the sum of hundreds of adjustments, small process learnings, and direct conversations. Chemists who use the reagent as a tool in their synthetic toolkit want results that match not just last month’s order, but the same bottle from a year ago—or can be fine-tuned if process drift calls for it. Consistency built over time and a readiness to adapt beats any static certificate of analysis.

    Looking Forward: Supporting Innovation in Synthesis

    The changing landscape of chemical synthesis only raises the expectations for purity, reproducibility, and performance. As researchers stretch for new structural motifs and pharmaceutical leads, intermediates like 1-Chloroethyl Ethyl Carbonate face new demands—sharper analytical requirements, smaller impurity tolerances, and faster bench-to-pilot timelines. Our manufacturing lines have moved from single-product focus to flexible multi-purpose operations, with teams investing in process intensification and small-footprint reactors that cut lag and speed up changeovers.

    Regulatory environments move quickly—so does customer feedback. This keeps our focus on details, not shortcuts: tighter in-process analytics, aggressive trace impurity profiling, and real partnership with those pushing modern organic synthesis forward. Trusted intermediates do not emerge from scale alone; they result from accumulated expertise and attention to moving requirements. Our approach to production, deployment, and support for 1-Chloroethyl Ethyl Carbonate grows out of decades spent on the ground with this chemistry, standing behind it not as a commodity but as a tool honed by daily use and real risk-sharing with customers.

    Closing Thoughts on Value through Manufacturing Commitment

    Chemists and process engineers choose their materials with an eye not just on today’s need, but tomorrow’s project scope and regulatory review. 1-Chloroethyl Ethyl Carbonate fills a practical gap for those searching for balance—enough reactivity for tough conversions, predictable byproduct profiles, and a support team who has actually run the processes themselves instead of reading about them. The chemical’s journey from raw materials to shipped product reflects hands-on know-how, flexibility to real-time customer needs, and a persistent drive to do the next batch better than the last.

    We welcome conversation, invite scrutiny, and respect the expertise at every point in the chain. That’s because in making and supplying this vital reagent, trust is earned step by step, measured not just in purity specifications, but in reactions run, problems solved, and projects delivered—batch after batch, year after year.