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1,1-Dichloroacetone

    • Product Name 1,1-Dichloroacetone
    • Alias Bichloracetone
    • Einecs 211-949-6
    • 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

    903286

    CAS_Number 5137-27-5
    Molecular_Formula C3H4Cl2O
    Molecular_Weight 126.97 g/mol
    IUPAC_Name 1,1-Dichloropropan-2-one
    Appearance Colorless to pale yellow liquid
    Boiling_Point 132-134 °C
    Density 1.338 g/cm³ at 25 °C
    Melting_Point -34 °C
    Flash_Point 46 °C
    Solubility_in_Water Miscible

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

    Packing & Storage
    Packing Amber glass bottle containing 100 mL of 1,1-Dichloroacetone, tightly sealed with a PTFE-lined cap and hazard labeling.
    Shipping 1,1-Dichloroacetone should be shipped in tightly sealed containers, protected from moisture and incompatible substances. Transport must comply with hazardous materials regulations due to its flammability and toxicity. Appropriate hazard labels and safety documentation are required. Keep away from heat, sparks, and open flames during shipping, and ensure ventilation to avoid vapor accumulation.
    Storage 1,1-Dichloroacetone should be stored in a cool, dry, well-ventilated area, away from direct sunlight, heat sources, and incompatible substances such as strong oxidizers and bases. Keep the container tightly closed and clearly labeled. Store in a chemical-resistant, corrosion-proof container, and avoid storing with food or beverages. Follow all relevant safety regulations and use secondary containment to prevent leaks.
    Application of 1,1-Dichloroacetone

    Applications of 1,1-Dichloroacetone in Industrial Manufacturing

    1,1-Dichloroacetone serves as a specialized intermediate supporting several critical chemical synthesis routes. As a direct producer with vertically integrated QA and regulatory support, we supply this compound to select downstream sectors that leverage its reactive dichloromethyl and carbonyl structure for targeted synthesis applications. Below, we detail its real-world roles in four high-value manufacturing contexts, with transparent reference to usage best practices, downstream process integration, and relevant compliance benchmarks worldwide.

    1. Agrochemical Synthesis—Active Ingredient Building Block

    Agrochemical companies employ 1,1-dichloroacetone as a key electrophilic substrate for the construction of chlorinated intermediates that form the basis of various herbicide and pesticide actives. Its reactivity allows for controlled halogenation sequences and subsequent condensation reactions vital for synthesizing organochlorine frameworks required in pest management agents. The process mandates strict adherence to global chemical safety and effluent standards.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006
    • US EPA TSCA Inventory requirements
    • ISO 9001:2015 certified quality management system
    • OECD guidelines for testing of chemicals

    Typical usage ratio

    • Batch formulation: 5–15% molar ratio, adjusted according to chlorination and coupling requirements of each target molecule

    Downstream process integration

    • Introduced during the halogen exchange or enolate generation step of multi-stage synthesis
    • Post-reaction, undergoes phase separation to remove excess dichlorinated byproducts before further condensation or cyclization

    Final product types

    • Pre-cursors to triazine-based herbicides
    • Chlorinated aliphatic pesticide actives
    • Specialty intermediates for seed treatment chemicals

    2. Pharmaceutical Intermediate—API Synthesis Chain

    Several pharmaceutical manufacturers utilize 1,1-dichloroacetone as a controlled intermediate for constructing α-chloroketone moieties essential in anti-infective and CNS-active API development. It participates in nucleophilic substitution, enolate alkylation, or oxime synthesis, with final purification protocols dictated by stringent cGMP and pharmacopeial monograph standards to ensure product traceability.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guide
    • EU GMP Guidelines (EudraLex Volume 4)
    • United States Pharmacopeia (USP) referencing for process intermediates
    • WHO Technical Report Series for pharmaceutical starting materials (PSMs)

    Typical usage ratio

    • 0.5–3.0 equivalents per synthesis step, variable based on desired chain length and functionality of target intermediate

    Downstream process integration

    • Used at the α-chlorination step to introduce chlorinated carbon adjacent to carbonyl, followed by subsequent ring closure or amination
    • In-process controls (IPC) monitor residual chlorinated impurities via GC-MS before API isolation

    Final product types

    • API intermediates for antifungal and CNS drugs
    • Active beta-chloroketone pharmaceutical ingredients
    • Advanced intermediates for cephalosporin antibiotic synthesis

    3. Fine Fragrance and Flavor Synthesis—Specialty Aldehyde Component

    Fragrance ingredient manufacturers value 1,1-dichloroacetone as a reactive component in aldehyde blend synthesis, exploited for its unique ability to introduce dichloromethyl notes into the design of fine fragrance molecules and aroma compounds used in luxury perfumery and flavor preparations. Downstream procedures integrate robust trace impurity controls, aligning with food contact material standards and IFRA limitations.

    Industry compliance standards

    • IFRA Standards (International Fragrance Association)
    • Food Chemicals Codex (FCC) for flavor ingredient production
    • EU Regulation (EC) No 1334/2008 on flavorings
    • ISO 9001:2015 for quality management in F&F

    Typical usage ratio

    • 0.2–2.5% in blend formulation for aldehyde-rich notes, with upper limits dictated by olfactory profile and batch size

    Downstream process integration

    • Added during controlled condensation with aliphatic alcohols or as a feedstock in the acetalization process under low-temperature agitation
    • Removal of residual halogenated volatiles via vacuum distillation prior to product compounding

    Final product types

    • Specialty aldehyde blend bases
    • Dichlorinated aroma building blocks for premium perfumery
    • Trace-molecule enhancers in luxury flavor preparations

    4. Specialty Polymer Modifier—Functional Monomer Production

    In polymer specialty chemical manufacturing, 1,1-dichloroacetone acts as a co-monomer precursor for producing chlorinated monomers that impart UV resistance or specific barrier properties to engineered polymers. Downstream integration addresses precise control during polymerization and demands compliance with polymer safety and industrial quality standards, especially where packaging or coating applications are intended.

    Industry compliance standards

    • EU Regulation (EC) No 1935/2004—Materials Intended to Come Into Contact with Food
    • EN ISO 9001:2015 for polymer process quality
    • ISO 14001:2015 for environmental management in chemical production
    • US FDA CFR 21 Part 177—Indirect Food Additives: Polymers (where relevant)

    Typical usage ratio

    • Monomer addition ratio: 1–8% by weight, calculated relative to primary monomer feedstock, depending upon performance targets for finished polymer

    Downstream process integration

    • Dosed into co-polymerization reactor during chain-initiated free radical or ionic polymerization
    • Active in in-situ functionalization to introduce dichloromethyl groups, followed by molecular weight adjustment

    Final product types

    • Barrier coating polymers for industrial films
    • Modified resins for specialty adhesives
    • Performance additive masterbatches for plastics packaging
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    Certification & Compliance
    More Introduction

    Introducing 1,1-Dichloroacetone: An Insight from the Manufacturer’s Floor

    A Closer Look from the Production Line

    The chemical industry does not rely on abstract promises. We stake our reputation on precision, reliability, and the real challenges of making specialty chemicals under tight conditions. One compound that comes up often in specialty synthesis is 1,1-Dichloroacetone. Chemists ask about it by CAS number or synonyms, but at its core, it’s a clear, casually unassuming molecule that can drive complex transformations. It’s not a filler, not a commodity – it demands real attention in the way it's manufactured, handled, and supplied.

    The Backbone of 1,1-Dichloroacetone Manufacturing

    Our laboratory and plant technicians know the feel of this compound in every batch. Production starts with quality feedstock. We synthesize 1,1-Dichloroacetone by direct chlorination and controlled oxidation, using established industrial protocols that trace their roots back decades, with tweaks that reflect the latest process safety updates. Years in the business have taught us to spot any anomaly during synthesis: color, odor, even the viscosity shift. Small signals matter. Consistency does not come easy with a molecule this active.

    Each run gets real-time monitoring. Technicians take samples at critical process points and use GC-MS and NMR to make sure chlorination is precise and that no polychloro side-products slip through. We don’t rely just on automation; we leverage the expertise that comes from seeing hundreds of kilograms through the reactors, not just analytic graphs. That experience leads to fewer impurities, less moisture carryover, and minimal by-product residuals — critical in research and fine chemical synthesis.

    Looking at Product Purity and Handling

    Buyers ask about purity above all. We understand that. Most routine requests center on 98% minimum, though some researchers request 99+% for sensitive work. Each tank gets batch-specific COA, because trace contaminants like 1,3-dichloroacetone or monochloroacetone can throw off downstream steps. Our plant team avoids the use of stabilizers that could introduce unwanted reactivity in subsequent transformations. A straightforward distillation, controlled under reduced pressure, keeps thermal decomposition away and ensures clean fractions.

    Moisture can deactivate reactive intermediates. To limit residual water, every drum gets nitrogen-purged and sealed by hand. We do not assume the standard cap will hold against air ingress; warehouse staff check each seal and packing integrity before dispatch. On the customer’s side, 1,1-Dichloroacetone wants cool, well-ventilated storage, away from base-sensitive or oxidizing materials, because even with proper packaging, this compound’s reactivity demands respect. We don’t take chances with degraded stock. Waste containers get checked regularly and nothing leaves our site without documented tracking for environmental compliance.

    Application Insight: Use Cases and Expectations

    Among our user base, the main requests come from pharmaceutical labs and university synthesis groups. 1,1-Dichloroacetone offers a compact dichlorinated backbone – a point of difference from its more famous cousin, chloroacetone, which carries only one chlorine substituent. That extra chlorine atom means new reactivity patterns. Chemists building complex heterocycles prefer 1,1-Dichloroacetone for its reliable dihalogenated motif, letting them set up ring closures or introduce chlorine atoms at strategic positions with fewer steps.

    We saw a rise in custom orders from contract research organizations developing intermediates for agrochemicals and diagnostic reagents too. Some compounds need a predictable introduction of a dichloroethyl motif, others look toward creating masked ketones that can be unmasked selectively under basic or nucleophilic conditions. 1,1-Dichloroacetone steps in where classic bromo- or monochlorinated ketones would overreact or lead to side reactions involving unwanted elimination or rearrangement. Over the years, our plant has handled projects from milligram pilot batches to ton-scale consistency.

    Clients in fine chemical synthesis keep pushing reaction innovation. This compound acts as a bridge between simple feedstocks and more advanced intermediates. In acylation, alkylation, or substitution chemistry, the presence of two chlorine atoms brings a unique edge. For example, direct nucleophilic displacement on 1,1-Dichloroacetone can open pathways that mono-chloro analogs block off, due to different electronic effects. Our chemists have clocked hours troubleshooting batch reactions that hinge on this particular difference.

    Differences from Close Analogs: The Manufacturer’s Perspective

    It’s easy to flip through catalog pages and see monochloroacetone and dichloroacetone share a similar ring of structures. Experience on the plant floor sets expectations straight. Chloroacetone (1-chloro-2-propanone) is often more volatile, triggers higher rates of elimination, and produces by-products that foul up glassware and reactors. 1,1-Dichloroacetone brings less volatility, gives higher selectivity in ring-building steps, and introduces less mess from unwanted polymerization.

    Monochloroacetone tends to react faster in some substitution reactions due to less electron withdrawal, but with 1,1-Dichloroacetone, the increased chlorination gives organic chemists more room to direct the reaction outcome. In routes where living polymerization is a risk, the fully substituted dichloro structure acts as an internal brake, keeping the molecule from overreacting. That means fewer surprises, more predictable scaling, and better downstream product purity — lessons learned batch-by-batch, not in textbooks but in real reactors.

    Some new researchers expect 1,1-Dichloroacetone to act as a simple analog of chloroacetone or even bromoacetone. The difference, though, is profound once the reaction starts. Treat it as a drop-in replacement, and yields sink or the reaction stops. With the right method, 1,1-Dichloroacetone delivers the features that advanced synthesis requires, from higher halogen density to better-defined leaving groups, especially when the project involves construction of multi-chlorinated carbon frameworks.

    Quality Matters: Manufacturing Decisions and End-Use Reliability

    We don’t approach quality as a checklist. The right vacuum pressure, the correct exposure to light, and filtering with non-reactive media all play their parts. We set in-house standards stricter than routine commodity production. Every shift operator knows the smell of an overheating run, the faint tint that means a pressure rise in the still, the cloudiness indicating water in the product line. These are not spec-sheet details but experienced decisions that prevent downtime, off-spec waste, or compromised supply to critical projects.

    End-users see the result: a liquid that does not leave residue, that responds well to reaction triggers, and that maintains its properties after weeks at proper storage. We do not ship anything that can’t make it through a sequence of QC steps, not just those required by regulation, but those our partners in custom synthesis have come to expect from us. If a batch fails to meet tight UV-Vis or IR absorption parameters, our team tracks the source and revalidates the equipment calibration before the next lot.

    We work directly with chemists to adjust packing size, container material, and product handling, because each downstream process might need unique access: septum-sealed ampoules for micro-scale mechanistic studies, stainless steel drums for pilot plants, or glass bottles with PTFE liners for stability in storage. Our supply chain team tracks order patterns, so when researchers need rapid resupply, stock rotates with the season and the real consumption levels, not predicted flows on a spreadsheet.

    Environmental and Safety Realities

    1,1-Dichloroacetone needs serious respect in the workplace. The production facility operates on closed-loop transfer, dedicated venting, and constant air quality monitoring to control vapors. Our local teams have invested time and resources into proper training for spill response and waste neutralization. Every year, we do drills that simulate worst-case leaks and product mishandling, not just to meet law but because our people value safe conditions.

    Waste streams move to approved incineration, and staff avoids even dilute discharge into municipal systems. Technicians handling packing wear full PPE, and we reinforce the importance of decontamination for valves, hoses, and sampling gear in every shift briefing. Each operator gets periodic refresher courses, drawing from real case studies. These aren’t abstract; everyone on the team knows what happens if protocols slip or if paperwork trails don’t match actual material flows.

    Our engineering crew tracks process emissions and logs all solvent and by-product recovery. Environmental audit teams walk the plant monthly, check secondary containment, and confirm integrity of emergency response equipment. All bulk shipping follows local hazardous transport guidelines, and each consignment gets a tamper-evident seal, recorded in transit. Feedback from site audits shapes upgrades to our air and liquid handling; we reinvest to meet both regulatory and community standards.

    Community and Trust: Beyond the Drum

    Over the years, partnerships have grown from urgent spot orders to long-term supply relationships. The procurement managers and research directors we work with expect more than stock status emails. We listen when end-users point to genuine pain points: delays during customs clearance, confusion over labeling, last-minute changes in order size. Our in-house logistics crew works directly with carriers and customs liaisons. Miscommunication costs more than a few hours – it puts critical projects on hold and damages trust built over years of reliable dealings.

    Research partners often invite us for joint troubleshooting during process scale-up. Some syntheses look great in the flask, but the real curveballs arrive in the pilot reactor. Sometimes, trace degradation happens during purge steps, or color drifts after a week in storage. Our team gets involved on those calls, offering advice and sharing data from previous projects to help get yields back up or identify rogue impurities. These conversations go beyond technical PDFs or material safety forms; direct feedback and on-the-ground assessments close the gap between supplier and bench chemist.

    We talk shop at industry meetups. Chemists mention challenges they face with tightly regulated imports, regional storage restrictions, or last-mile logistics. As a manufacturer rather than a trader, we can adapt to meet those needs directly. Batch splitting, shipment on the customer’s preferred schedule, packing on customized pallets – those are all routine. These practical responses matter more than glossy marketing claims.

    Real-World Value: From Batch Plant to Synthesis Project

    Academic labs use 1,1-Dichloroacetone for preliminary mechanistic experiments, while multinationals rely on it for pilot lots of new agrochemicals. That range of demand means our plant can swing from a few kilograms to hundreds, and our schedules flex with research priorities, not only annual forecasts. In peak seasons, we run around the clock, but not at the expense of oversight – our supervisors sign off on every batch and crosscheck with feedback from previous runs. Quality output comes from this real-time, hands-on supervision.

    Synthesis protocols are getting more complex, and customers do not always need just the material; they want troubleshooting support and fast answers when something wobbles in their routine. As a chemical manufacturer, we’re aware that our reliability underpins entire programs. A lateness or purity drop can delay months of work, send teams back to the drawing board, or trigger costly repeat tests. That responsibility shapes our approach to every phone call, every order, and every follow-up.

    We keep technical liaisons on call to answer questions about application compatibility, storage practice, or reaction setup. Our experience in handling temperature excursions, pressure buildup, or accidental mixing feeds into the advice we give. This isn’t about ticking off FAQ checklists – our technical staff speak the language of researchers, not only purchasing agents, so solutions come from shared experience, not theoretical “best practice.”

    Continuous Improvement: Feedback in the Real World

    End-users’ reports drive our improvements. Over the years, user feedback pushed us to swap out gasket materials that absorbed active chlorinated products, to shorten batch transfer tubing for faster, cleaner turnovers, and to label containers with QR-coded tracking for quick cross-checks. Small details – bigger print for batch codes, one-step seals, vapor-resistant liners – all came from comments in follow-up surveys or after-action reviews.

    As applications for 1,1-Dichloroacetone broaden, customers tell us about new workflow issues: sudden cold chain needs for novel intermediates, new regulatory reporting for on-site storage, or updates to fire code for mid-volume stockpiling. Instead of waiting for industry trends to force action, our operations and product safety crew anticipate these challenges. If a research group signals a problem with an impurity showing up under certain reaction conditions, we run parallel analytics to get ahead of the issue. This is a cycle – a daily effort to match what theory suggests with practical plant experience.

    Batch failures, slow tank turnovers, or supplier traffic delays all enter our internal tracking logs. Management goes through these records in regular plant meetings. This helps avoid common bottlenecks, keeps fresh product in rotation, and avoids overstock that can degrade or lose compliance. Direct ties between site supervisors, technical liaisons, logistics, and end-users mean that someone with hands-on plant experience affects every problem we solve.

    Staying Grounded: The Manufacturer Difference

    Making 1,1-Dichloroacetone at scale is anything but routine. Each production run carries lessons from the field: how to tweak process conditions based on local temperature, how to adjust shipping protocols when the route changes, how to spot trends in end-market demand before stock runs out. We draw from real-world trial and error, not just literature, to keep output up to mark. Whether the lot is bound for an industrial pilot or a single high-stakes bench experiment, customers get the compound they expect, shaped by every lesson learned at the plant.

    Working hands-on with this chemistry teaches respect for process, attention to safety, and a direct line to user needs. Solutions spring up from the shop floor or the customer’s bench, not only training manuals. There is pride in sending out a product that stands up under scrutiny and a steady commitment to improving batch by batch, year over year.

    In specialty synthesis, in pharma pilot development, or in cutting-edge research, 1,1-Dichloroacetone serves as both challenge and reliable asset. Behind every drum or vial is a team willing to put in the extra hours, tune the details, and ensure the next batch builds on everything we know. That’s how true manufacturing excellence works – through direct action, respect for the molecule, and the real-world needs of the chemists who choose to work with it.