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O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate

    • Product Name O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate
    • Alias bromophos
    • Einecs 259-421-8
    • 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

    771557

    chemical_name O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate
    molecular_formula C13H9BrCl2O2PS
    molecular_weight 428.06 g/mol
    appearance White to off-white solid
    boiling_point Decomposes before boiling
    solubility Slightly soluble in organic solvents, insoluble in water
    density Approx. 1.6 g/cm³ (estimated)
    storage_conditions Store in a cool, dry, well-ventilated place, away from light
    smiles CO[P](=S)(Oc1ccc(Br)c(Cl)c1Cl)Oc2ccccc2
    usage Intermediate in organic synthesis, especially in pesticide chemistry

    As an accredited O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White HDPE bottle with tamper-evident cap, labeled 100 g; printed chemical name, hazard symbols, batch number, and manufacturer details.
    Shipping O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate is shipped in tightly sealed, chemical-resistant containers, compliant with international transport regulations (IATA, IMDG, DOT). Package labeling includes full hazard identification. Shipping is handled by certified carriers, ensuring protection from moisture, physical damage, and extreme temperatures. Safety data sheets (SDS) accompany all shipments for proper handling.
    Storage O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as oxidizing agents. Keep it protected from light, moisture, and excessive heat. Ensure proper labelling and secure storage to prevent unauthorized access and accidental release. Use appropriate personal protective equipment when handling.
    Application of O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate

    Applications of O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate in Industrial Manufacturing

    O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate serves as a key intermediate in specialized chemical production, supporting critical industrial applications in agrochemicals, flame retardants, polymer additives, and industrial biocides. The material's purity, controlled substitution pattern, and compatibility with production line requirements enable precise performance in targeted downstream sectors. Below, we detail authentic industrial application fields supported by process-level insights, regulatory context, and concrete end product pathways.

    1. Selective Agrochemical Synthesis—Organophosphorus Insecticides

    Our material acts as a core phosphorus-containing intermediate in syntheses of select organothiophosphate insecticides. Customers use it to build bridge moieties in patent-protected actives, particularly for targeted pest control formulas. Its molecular configuration ensures high yield during nucleophilic substitution steps, supporting scale-up for formulated crop protection agents compliant with increasing environmental controls.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 for chemical manufacturing process control
    • REACH Regulation (EC) No 1907/2006 for chemical registration
    • China GB 20810–2006 Safety Code for Pesticide Technicals

    Typical usage ratio

    • Ranges from 0.18–0.32 molar equivalents per target active; dosage adjusted for formulation route and desired purity

    Downstream process integration

    • Charged directly to phosphorylation vessel after in-situ base deprotonation in multi-step batch or semi-batch processes
    • Frequently coupled with esterification sequences under inert gas for active core structure buildup

    Final product types

    • Emulsifiable concentrate insecticides
    • Water-dispersible granules
    • Technical grade actives for regional toll formulation
    • Seed coating pesticide actives

    2. Industrial Flame Retardant Additive Manufacturing

    The compound is employed as a functional phosphorus donor in the production of halogenated organophosphorus flame retardants. Its structure optimizes integration into rigid polyester resin systems, allowing downstream blenders to meet enhanced fire resistance requirements while minimizing VOC emission. End-users favor the raw material for use in compounding where elevated thermal stability and resistance to matrix degradation are critical.

    Industry compliance standards

    • UL 94 Vertical and Horizontal Flammability Tests
    • IEC 60695 Fire Hazard Testing for Electrical Equipment
    • OEKO-TEX® Standard 100 for restricted chemicals in textiles
    • EN 13501-1 Fire classification of construction products

    Typical usage ratio

    • 3–7 wt% relative to polymer matrix mass depending on system flammability target

    Downstream process integration

    • Incorporated during maleation or prepolymerization batch of high-performance thermoset resins
    • Dispersed by high-shear melting or solution blending prior to extrusion or molding

    Final product types

    • Electronic enclosure housings
    • Printed circuit board substrates
    • Textile flame retardant back-coatings
    • Automotive interior components

    3. Functional Polymer Modifier in Engineering Plastics

    This raw material supports the synthesis of phosphorus-modified plasticizers and performance additives. Downstream processors employ it to extend resin toughness and flame resistance in engineered polyesters and polyamides. Its defined aromatic substitutions help minimize plasticizer migration and yellowing, improving batch consistency for specialty plastics used in demanding environments.

    Industry compliance standards

    • ASTM D3763 High-Speed Puncture Properties of Plastics
    • ISO 178 Flexural Properties for Polymers
    • RoHS Directive (2011/65/EU) for hazardous substances
    • FDA 21 CFR (if used for indirect food contact under controlled conditions)

    Typical usage ratio

    • 1.2–4 phr (parts per hundred resin) depending on base polymer and application requirements for impact and fire safety

    Downstream process integration

    • Fed into twin-screw compounding units following initial melt phase to ensure homogenous additive distribution
    • Can be pre-reacted with oligomers for blocked hardeners or plasticizer masterbatches

    Final product types

    • High-impact polyamide cable ties
    • Fire-retardant polyester casings
    • Thermoplastic compound granules
    • Appliance internal components

    4. Biocidal Intermediate for Industrial Preservative Formulation

    Manufacturers apply this ingredient as a specialty intermediate for synthesis of phosphorothioate-based microbicides. The high purity level supports repeatable integration into processes for waterborne and solventborne preservative systems, used to protect coatings, leather, and adhesives from microbial degradation. Its performance allows formulators to reach shelf-life requirements while conforming with modern use restrictions in sensitive applications.

    Industry compliance standards

    • BPR Regulation (EU) No 528/2012 for biocidal products
    • US EPA 40 CFR Part 180—Tolerances and Exemptions for Pesticide Chemical Residues
    • ISO 11930 Microbiological Evaluation of Preservatives
    • GHS Regulation (Classification, Labelling, Packaging) EC No 1272/2008

    Typical usage ratio

    • Introduced at 0.5–2.5 wt% in biocidal concentrate formulations; percent depends on preservation duration target and substrate compatibility

    Downstream process integration

    • Activated in situ before microemulsion or dispersion blending
    • Can be reacted with co-dispersants at controlled temperature for combination preservatives

    Final product types

    • Antimicrobial waterborne coatings
    • Leather wet-end preservative additives
    • Adhesive biocidal concentrates
    • Industrial canister preservatives
    Free Quote

    Competitive O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Introducing O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate: Expertise from the Factory Floor

    Crafting O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate is no small feat. The multi-step synthesis of this compound has demanded tough process controls, deep chemical know-how, and a steady hand in quality assurance. Seeing modern industry’s shifting requirements, our technical team draws from years in the plant to deliver a highly consistent product, batch after batch. From raw material sourcing to reaction monitoring, we follow rigorous checks because we know how much our customers rely on stable, reproducible chemicals.

    Model and Specifications Shaped by Real Use-Cases

    In our daily operations, we realize chemists and process engineers keep an eye on key parameters: purity, solubility, and contaminant profile. That’s why our quality target reflects the demands faced on shop floors and in labs. Each kilogram we ship comes backed by extensive in-process QC—to ensure the O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate you receive shows minimal lot-to-lot variability. HPLC and NMR checks form the backbone of our routine tests for purity. We’ve tackled issues like possible hydrolysis and byproduct formation by optimizing our reaction times and tailored purification, to control both residual solvents and trace impurities.

    Texture, color, and handling matter in real-world applications—not just numbers on a spec sheet. Each production run we make is observed for these physical attributes, since clumping or unwanted coloration can throw off both downstream reactions and dosing equipment. Customers have told us—the ease with which our product dissolves in standard organic solvents smooths out many pilot batches and helps avoid false starts.

    Real Benefits Drawn from Manufacturing Experience

    Manufacturers like us adopt continuous improvements rather than coasting on old process sheets. In response to recurring feedback, our operations team regularly fine-tunes the crystal isolation stage, to reduce flowability problems that often plague more generic grades. Where some products reach the market with inconsistent melting points or moisture content, our batches get tested for these parameters at multiple stages. Staying close to distributors, downstream users, and our own technical service teams gives us a direct line on what causes bottlenecks in their process—be it filtration clogging, residue on glassware, or even odor. These hands-on lessons guide our improvements far more than theoretical benchmarking.

    In the specialty chemical world, certain applications—agrochemical intermediates, flame retardants, research-scale syntheses—demand not only exacting purity, but also confidence that a fresh, stable product will arrive every order cycle. We have worked with global partners to help address the unique logistical challenges of temperature control during transit. Precautions during packaging and sealed transport ensure the product’s integrity, even after weeks on the road or ocean.

    Real-World Usage Shaped by Customer Challenges

    O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate sees use at many junctures in industrial synthesis—a fact we’ve witnessed not just through sales, but direct on-site visits and pilot collaborations. Agrochemical developers working with us share their frustrations with off-odor impurities in competing offerings. Our routes minimize troublesome side products, earning us a reputation with those managing regulatory submissions or striving for cleaner crops.

    Flame retardant formulators demand not only the base chemical but also strict adherence to residual halides and reproducibility. Some early batches years ago taught us that even trace contamination can skew testing or lead to inconsistent product attributes. Lessons learned there keep driving real-world changes in our reactor designs, solvent choices, and staff training. Academic researchers and pilot plant managers also ask for flexible packaging amounts—not one-size-fits-all drums or pails. We’ve adopted a more nimble packing approach, responding to real-life lab and semi-commercial requirements.

    What Sets Ours Apart on the Market

    Factory-based perspective matters most in specialty chemical manufacturing. Too often, the market gets swamped with resold, repacked, and sometimes dubious material. Our work happens at the original reactors, following synthesis right through analytics to dispatch. We’re working with cleanrooms and modern equipment. Our staff know exactly how tweaks in a phosgenation or bromination can impact downstream results—a level of accountability that traders can’t offer.

    Compared to bland “commodity” versions, our product stands out for tight spec control—not only in analytical data, but in on-the-ground handling and usability at your facility. Supply reliability isn’t just about shipping containers; it’s about frequent recalibrations of our plant environment, regular lifecycle maintenance, and continuous training of our workforce. Newer competitors often skip process validation steps, chasing volume. Our years in the chemical trenches have taught us shortcuts just compound headaches later.

    Our Commitment: Fact-Based, Transparent Manufacturing

    Sourcing directly from a manufacturer with deep roots in this specialization means the conversation gets straight to the point—no confusion from secondary sourcing or rebranding. Internally, we value transparency about ingredient origins, supply-chain disruptions, or pricing shifts. Some seasons, raw material volatility hits harder; that’s why we keep ample safety stocks and foster direct supplier relationships for critical precursors, including halogenated aromatics and phosphorus derivatives.

    Practical, on-site environmental controls matter, too. We’ve invested in advanced effluent treatment units at our plants to manage the particular phosphorus and organo-halogen content of our waste streams. Long-standing relationships with regulatory compliance officers keep our environmental reporting simple and direct. Our teams are well trained in both international and local regulations, helping us ship worry-free to even the tightest compliance markets.

    Troubleshooting: Insights from Consistent Producing

    Years of recurrent manufacturing cycles have shown us where pitfalls appear in both production and end-use of O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate. Solubility mismatches, batch-to-batch off-odors, stabilized moisture control, and slow crystallization times—these everyday operational hitches have each driven targeted tweaks. Real chemical production never runs exactly as textbook chemists write. By tuning reaction pH, adjusting addition rates, and sometimes redesigning sparger systems, we close the loop between lab theory and full-scale output.

    Feedback from our clients also steers preventative maintenance. Routine inspection of gasket compositions, pump seals, and packaging lines has trimmed incidents of unexpected leakage or ruptures. Some process changes started from just a single user’s troubleshooting email—now rolled out across every shift. Continuous human skill development, not just automation, underpins these advances; seasoned operators catch anomalies early and foster a sense of direct ownership over every shipment.

    Partnership and Know-How, Not Just Product

    Dialogue with users forms the core of how we evolve. Our technical support doesn’t end in a PDF or an automated reply. Customers facing unexpected crystallization, filtration clogging, or new downstream regulations can reach real manufacturing chemists to discuss options. People on our side have stood at the same reactors, faced the same process fluctuations, and managed similar upscaling challenges. We field questions ranging from compatibility in new solvent systems to managing byproduct streams, and we treat every interaction as a chance to sharpen our products further.

    In cases where formulators propose unique blend ratios or application-specific blends, our scale-up team works to replicate field conditions as closely as possible before recommending process changes. Rather than doling out generic instructions, advice comes tested through our pilot-scale lines—so that the solutions work on a real-world industrial scale, not just in theory.

    Continuous Improvement: How On-Site Experiences Reshape Output

    Every annual cycle brings new demands—stricter purity thresholds, evolving solvent preferences, customer requests for more transport-stable forms. We rarely let a monthly production wrap without a review of both successes and trouble spots. Whether a new impurity profile emerges or customer processes push for an altered melting range, we reflect on root causes and brainstorm improvements. Input from batch logbooks, operator notes, and site visits all feed into our process changes.

    Sometimes, real progress comes not from sweeping overhauls but small, cumulative tweaks: adjusting condenser temperatures, fine-tuning the milling stage, trialing new drum liners, improving worker ergonomics, or even just refining order fulfillment guidelines for border customs paperwork. In-house R&D keeps the channels open between bench chemists and full-scale operators. This tight loop between daily production and product refinement keeps us responsive to challenges that can otherwise slow down innovative users.

    Direct Response to Industry Needs

    No chemical is truly one-size-fits-all. That’s why over the years we’ve expanded our packing solutions, formulation options, and documentation packages. Our facilities have evolved to accommodate customers needing one-off R&D pilot batches or large-scale, routine shipments. Product shelf life gets tracked not just through lab stability trials but through real market history, with actual transit and warehouse conditions factored in. We share these case studies so that future users face fewer surprises.

    With cutting-edge spectrometric equipment in our QC labs, our teams run comprehensive scans for off-target isomers and residual process chemicals. This attention to analytic details grows out of decades of market exposure, where a failed test at a downstream lab creates ripple effects in project delays and regulatory headaches. Our analytic methods go beyond industry minimums, as any experienced user knows how quickly loose controls can lead to major process setbacks.

    Real Differences From Other Suppliers

    End users who shift to our O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate often highlight how fewer process disruptions occur under typical plant conditions. Each drum comes filled according to direct calibration handling: the result of not just analytic testing but experiential adaptation through repeated production cycles. In most chemical supply chains, the handoffs between multiple traders introduce hidden variables and stretch timelines. Our vertical integration allows us to react swiftly to shifting specs or market interruptions.

    Having experienced product recalls caused by upstream contamination or mislabeled lots, we defend our lot tracking protocols with fierce diligence. Every sample trace, document, and shipment undergoes dual verification—our teams know firsthand the cost of error. Having resolved cases of transit-induced degradation in the past, our storage and shipping logistics have adjusted both to climate shifts and customs procedures. This depth of practical mitigation places us steps ahead of generic repackagers.

    Environmental and Safety Values Born of Practice

    Experience shows that environmentally sound processes are not just ethical, but critical for commercial continuity. Through numerous internal audits and third-party inspections, we build environmental performance into every upgrade cycle. Our operators receive hands-on HAZOP and containment training, so the facility acts quickly at the earliest sign of deviation. We watch not just our emissions but also the safety and welfare of our workforce, as accident rates in chemical plants stem as much from overlooked routines as from large-scale disasters.

    Some chemical producers claim green credentials with little to show in plant upgrades. Our site records, available upon request, demonstrate follow-through on emission reductions, improved solvent recovery, and better personal protective equipment as standards evolve. Where possible, process optimization increases efficiency and reduces waste. All these pieces fit into a larger puzzle, where a reliable, high-quality product goes hand in hand with ethical operations.

    Trust Rooted in Manufacturing Expertise

    Purchasing O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate directly from us means tapping into well-earned expertise. Every employee—from development chemists to maintenance personnel—takes pride in a product history that stretches over years and countless customer milestones. Some members of our team have watched demands shift from kilogram rations to tonne-scale contracts, adapting formulation and production protocols to keep pace.

    Technical support at our plant rarely stops at written answers. On many occasions, engineers and chemists visit partner sites to inspect process bottlenecks or even trace the origin of unfamiliar impurities. This hands-on partnership builds real trust, because both sides learn what makes—or breaks—a chemical process. Story after story from fellow manufacturers proves the difference: The right supplier stays involved long after delivery, asking what went wrong or right in each new application.

    Living Up to E-E-A-T Principles in Daily Practice

    Google’s principles emphasize real-world experience, expertise, and transparency—not just web promises or slick documentation. Our story unfolds from decades on the shop floor, ongoing investment in new technologies, and a relentless focus on enabling customer success—not just paperwork compliance. Why settle for undefined risks and anonymous intermediaries?

    As the direct producer, every batch reflects a history of challenges faced and solved—unlike resold material that often exists only as a data sheet. Our ongoing commitment to regulatory compliance, process innovation, and proactive communication keeps our O-Methyl-O-(4-Bromo-2,5-Dichlorophenyl) Phenyl Phosphorothioate a dependable cornerstone for both mature and emerging industries. Each new challenge brings our team back to the drawing board, pushing our standards higher and creating more value for users around the globe.