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O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate

    • Product Name O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate
    • Alias Fosthiazate
    • Einecs 240-019-7
    • 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

    257693

    chemical_name O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate
    molecular_formula C4H8Cl3O4P
    molecular_weight 273.44 g/mol
    cas_number 2524-03-0
    appearance Colorless to pale yellow liquid
    density 1.55 g/cm3
    solubility Soluble in water and organic solvents
    refractive_index 1.426 - 1.430
    smiles COP(=O)(OC)C(O)(CCl)(Cl)Cl
    storage_conditions Store in a cool, dry, well-ventilated area away from incompatible substances

    As an accredited O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate is supplied in a 250g amber glass bottle with tamper-evident seal.
    Shipping O,O-Dimethyl-(2,2,2-Trichloro-1-hydroxyethyl)phosphonate should be shipped in tightly sealed containers, protected from moisture and direct sunlight. Transport under cool, dry conditions using UN-approved packaging appropriate for chemicals. Ensure compliance with local, national, and international hazardous materials regulations. Include appropriate hazard labelling and safety documentation during shipping.
    Storage O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)phosphonate should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizers and bases. Protect from moisture and direct sunlight. Store at room temperature, away from heat sources and ignition points. Follow all relevant chemical storage regulations and safety guidelines.
    Application of O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate

    Applications of O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate in Industrial Manufacturing

    Our manufacturing expertise has allowed us to supply O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate as a specialty intermediate for key industries that require reliable performance and a defined compliance profile within their chemical processes. Below, we outline the primary downstream sectors where this molecule holds a focused, real-world role, with details on regulatory context, formulation practice, integration into production workflows, and the nature of finished goods produced.

    1. Flame Retardant Additives in Rigid Polyurethane Foam

    Rigid polyurethane foams for building insulation and sandwich panels require enhanced flame retardancy to satisfy fire safety codes in Europe, North America, and Asia-Pacific. O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate functions as a reactive liquid flame retardant, covalently incorporated into the foam matrix via the polyol component. This ensures permanent flame-retardant properties without migration or volatility in the final foam products, while enabling compliance with building and fire safety norms through independent external monitoring.

    Industry compliance standards

    • DIN 4102 (Germany) – Building materials and elements: Fire behaviour of building materials and components
    • EN 13501-1 – Fire classification of construction products and building elements
    • ASTM E84 – Standard Test Method for Surface Burning Characteristics of Building Materials
    • UL 94 – Flammability of plastic materials for parts in devices and appliances

    Typical usage ratio

    • 10–18 parts per hundred polyol (php) in rigid foam formulations; adjust based on specific flame retardancy requirements, foam density, and polyol blend properties

    Downstream process integration

    • Added as a liquid flame retardant component to the polyol premix; reacts into the polymer backbone during the polyurethane foaming step in high- and low-pressure foaming lines

    Final product types

    • Pre-insulated building panels
    • Pipe insulation shells
    • Refrigerator and freezer insulation
    • Continuous sandwich panel boards

    2. Flame Retardants in Flexible PVC Compounds

    Manufacturers of flexible PVC flooring, conveyor belts, and wire sheathing commonly utilize this phosphorus-based intermediate to meet regulatory requirements for reduced flame propagation. It integrates well with plasticizer systems, maintaining mechanical performance while contributing to halogen-phosphorus synergism—supporting compliance with stringent fire safety classification for building, mass transit, and electrical cable materials.

    Industry compliance standards

    • IEC 60332 – Tests on electric and optical fibre cables under fire conditions
    • EN 71-3 – Safety of toys: Migration of certain elements (relevant for flooring in childcare environments)
    • REACH (EC) No 1907/2006: SVHC control, use and end-use restrictions in PVC
    • RoHS Directive 2011/65/EU – Restriction of hazardous substances in electrical and electronic equipment

    Typical usage ratio

    • 2–8% by total weight of PVC compound; ratio optimized according to fire resistance class and interaction with other additive packages

    Downstream process integration

    • Blended with plasticizers and stabilizers during PVC dry blending or compounding before calendering, extrusion, or injection molding operations

    Final product types

    • Flexible cable insulation and sheathing
    • Technical flooring and wall coverings
    • Transportation interior panels
    • Flexible conveyor and processing belts

    3. Epoxy Resin Systems for Circuit Board and Encapsulation

    Epoxy resins used in printed circuit board (PCB) laminates and electrical encapsulation leverage this phosphonate intermediate to achieve improved flame retardant ratings without compromising electrical insulation or resin cure characteristics. The molecule’s reactive group enables permanent integration within the epoxy backbones, making it an alternative for halogenated additives—helping downstream users pursue halogen-free labeling for export to markets with tight import restrictions.

    Industry compliance standards

    • IEC 61249-2-21 – Materials for printed boards: Flammability requirements
    • UL 94 V-0: Plastic material flammability rating for electronics
    • IPC-4101 – Specification for base materials for rigid and multilayer PCBs
    • RoHS Directive 2011/65/EU – Halogen-free requirements for electronic substrates

    Typical usage ratio

    • 0.8–3.5% by resin weight in diglycidyl ether of bisphenol-A (DGEBA) or related resin systems, tailored for target flame resistance and mechanical criteria

    Downstream process integration

    • Co-reacted with epoxy oligomers during the advancement stage or incorporated into hardener blends prior to laminate pressing or electrical encapsulation potting

    Final product types

    • Multilayer printed wiring boards (PWBs)
    • Electrical component encapsulants
    • Transformer and relay potting compounds
    • Halogen-free flame retardant composites

    4. Thermosetting Unsaturated Polyester and Vinyl Ester Composites

    During the production of glass fiber reinforced panels, pultruded profiles, and sanitaryware, O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate serves as a non-halogenated flame retardant. It chemically binds within the polyester or vinyl ester resin network formed during curing, reducing smoke density and toxic gas release during combustion. This enables composite producers to attain tight safety certifications required for public transport and public infrastructure components, with reliable batch-to-batch formulation repeatability achieved through in-house QC calibration.

    Industry compliance standards

    • EN 45545-2 – Fire protection on railway vehicles: Requirements for materials and components
    • NFPA 130 – Standard for Fire Protection in Fixed Guideway Transit and Passenger Rail Systems
    • BS 476 Part 7 – Surface spread of flame test for building materials
    • ISO 5660 – Reaction-to-fire tests: Heat release, smoke production, and mass loss rate

    Typical usage ratio

    • 12–23 phr (per hundred resin) in polyester/vinyl ester composite systems, controlled through lab-scale fire testing and reinforcement/resin type adjustment

    Downstream process integration

    • Metered into the resin component during compounding and prior to mold charging in hand lay-up, spray-up, RTM, and pultrusion operations

    Final product types

    • Glass fiber reinforced train interior panels
    • Corrosion-resistant construction profiles
    • Public facility sanitaryware
    • Architectural dome and cladding panels

    5. Adhesive and Sealant Formulations for Building and Construction

    In high-spec construction adhesives and intumescent sealants, this trichlorophosphonate intermediate enables fulfillment of non-drip, low smoke emission, and fire endurance specifications. It reacts compatibly with polyurethane prepolymers and hybrid silane-modified binders, supporting full mechanical property development while contributing to the end-use fire resistance rating of the applied adhesive or sealant in commercial and institutional buildings.

    Industry compliance standards

    • EN 1366-4 – Fire resistance tests for service installations: Linear joint seals
    • ASTM E1966 – Standard Test Method for Fire Resistant Joint Systems
    • ISO 11600 – Building construction: Sealants classification and requirements
    • GB 23864-2009 – Test methods for firestop systems (China)

    Typical usage ratio

    • 8–15 phr dependent on adhesion profile and desired fire performance level, fine-tuned based on binder type and end-use environmental exposure

    Downstream process integration

    • Introduced as a direct additive to prepolymer or binder blend during initial mixing; incorporated before final curing and packaging in automated or semi-automated filling lines

    Final product types

    • Fire-rated construction adhesives
    • Intumescent expansion joint sealants
    • Cable penetration fire stopping gels
    • Structural glazing and bonding agents
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    Certification & Compliance
    More Introduction

    Introducing O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate: A Manufacturer’s Perspective

    Real-World Chemical Solutions: Our Commitment and Experience

    Manufacturing O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate isn’t about adding another name to a chemical registry. Every batch we produce echoes years spent honing reaction parameters, refining purification strategies, and understanding what our customers truly face on their production lines. This compound, often referenced by specialists as a valued intermediate, addresses needs that go beyond textbook properties or bland lists of applications. We see the impact directly in downstream manufacturing, where customers demand reliability and consistency—attributes that stem from what happens long before a drum ever leaves our factory.

    The journey starts with raw materials. Quality input is not just a specification for us; it is a necessity. Years of vetting suppliers and ongoing dialogue ensure the right purity and traceability for each core ingredient. Tight cooperation with lab and production teams keeps processes robust. We have learned that you cannot shortcut control—neither during methylation nor chlorination steps—if you want to avoid costly setbacks later, whether that’s contamination or batch variability.

    What Sets O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate Apart in Use and Handling

    End-users often share frustrations with off-spec phosphonate intermediates. With this product, users notice reduced fouling in reactions that rely on its clean conversion profile. Through precise temperature management and staged reagent addition, we limit by-product formation, which translates into less work during downstream separations. These aren’t just manufacturing footnotes. They make the difference in whether a client’s multi-ton batch moves forward on schedule or sits stalled, impacting plant throughput.

    Specifications for O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate reflect lived expertise. Typical models align with purity levels exceeding 98%, thanks to iterative distillation and targeted crystallization. Our teams choose analytical methods—GC, NMR, and moisture titration—not because the market expects it, but because each one has caught subtle faults that could have gone unnoticed. Every factory floor operator knows the fingerprint of a high-quality batch, whether in clarity, color, or response during preliminary probe tests.

    The compound acts primarily as a phosphorus source in the synthesis of agrochemical actives and flame-retardant materials. Through direct collaboration, a number of agricultural clients report higher yields of target molecules thanks to the reliable integration of our material in their synthesis routes. Challenges such as product degradation or handling hazards arise much less frequently when material consistency holds. That benefit has ripple effects, saving countless hours in troubleshooting and waste management.

    Understanding the Model and Practical Realities

    O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate, with the chemical formula C4H8Cl3O4P, isn’t interchangeable with other organophosphonates in either reactivity or behavior during storage. Our most requested variant matches a density and viscosity profile that fits with modern transfer and dosing systems, which reduces risk during plant-scale application. We manufacture to specifications that recognize not every process environment is ideal; oxidation and hydrolysis risks aren’t theoretical—they materialize quickly in sub-optimized facilities. For this reason, formulation stabilizers and drum packaging choices reflect decades of learning about how the material behaves under real shipping and warehousing conditions.

    One key distinction comes in purity profile. Unlike basic O,O-dimethylphosphonates, the trichloro-hydroxyethyl group introduces both functional diversity and extra requirements on storage and compatibility. Our teams focus on minimizing trace chlorinated byproducts, since these can trigger unwanted downstream reactions or regulatory scrutiny. Differences from other phosphonate products become clear during synthesis: the reactivity and solubility characteristics ensure the right partitioning in organic and aqueous phases for critical steps. Working with technical partners, we’ve mapped interactions with typical solvents and reagents, allowing us to forecast challenges and collaborate on solutions that suit both large-scale plant requirements and research labs.

    Safe Use, Sustainability, and Future-Focused Manufacturing

    Safety never fades from daily operations. Our operators know firsthand how improper handling of trichloro-hydroxyethyl phosphonates contributes to workplace exposures and downstream waste issues. Closed-system transfer minimizes emissions, and clear labeling—drawn from real audit requirements—avoids the confusion that causes near-misses in plant settings. We lend these protocols freely to our partners, as everyone gains from reducing workplace incidents. Investing in on-site capture and recycling of chlorinated off-gases addresses both asset longevity and environmental compliance.

    From experience, changes in environmental regulation drive rapid shifts in how materials like O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate enter the market. Our response has included adjusting synthetic pathways to maximize atom efficiency, moving towards waste minimization. By working alongside academic labs, we have trialed greener solvents and made real-world substitutions, not just on a pilot scale, but on full production lines. It’s not marketing—our waste solvent streams genuinely reflect lower halogen loading today compared to a decade ago. These changes came directly from the feedback loop between production engineers, compliance officers, and downstream users who see environmental bottlenecks up close.

    Supply chain resilience gets put to the test every time geopolitical events or port closures threaten raw material flows. Our solution has involved both stockpiling key precursors and investing in dual-sourcing where practical, which creates a cushion against market spikes. Shared lessons with customers have proven that proactive planning beats scrambling for spot fills or inferior substitutes. This collaboration pushes all parties to stay nimble without compromising on the product quality that underpins complex reactions.

    Customer Experience: Not Just the Product, but What Comes With It

    Product reliability stretches beyond laboratory boundaries. Feedback often comes from process engineers during start-up trials, who look for predictable melting points, pot stability, and no surprises in chromatogram baselines. Through sample retention and routine cross-batch testing, we maintain traceability and answer queries quickly when issues arise at customer plants. Open communication—never just sales-talk—forms the baseline for mutual trust.

    Unexpected process hiccups inevitably arise, and it’s here that manufacturers learn the value of lived experience. We maintain direct technical liaisons, not outsourced call centers. When a partner faces unexpected foaming, crystallization, or analytical discrepancies, our bench chemists will work side-by-side to solve the root problem. Sometimes the answer lies in subtle equipment adjustment; sometimes, it traces back to external packaging conditions during transit. By understanding how O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate interacts with different plant environments, we adapt batch release guidance and shipment schedules to suit yearly temperature swings and episodic humidity spikes.

    Lessons from the Field: Supply Chain, Cost Pressures, and Innovation

    Price volatility for specialty intermediates like O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate has challenged both manufacturers and users. As the source, we understand where price fluctuations begin—whether in the upstream chloroacetyl chloride market or methylating agent costs. By negotiating long-term supply agreements and qualifying recyclable reagents, we’ve blunted sharp price shocks and delivered greater predictability for loyal partners. Our finance teams don’t operate in isolation; they work alongside purchasing and production staff to forecast cost changes based on real-time market data and emerging trends.

    Innovation grows from confronting these same pressures. Instead of tolerating routine yield losses or batch failures, we review process data continually. Investments in process analytics—inline spectroscopy, automated temperature control, and digital batch records—grant us immediate insight when deviations occur. These investments stem from the reality that a stopped reaction costs days, not hours. Minimizing downtime drives profitability as much as boosting actual yields, and our entire manufacturing team sees the benefits in both measurable output and smoother, more predictable workdays.

    Being a direct manufacturer means assuming full accountability for product stewardship. Regulatory audits reflect not only compliance checklists but real impacts on the communities surrounding our plant sites. We keep emissions and waste controls transparent, hold regular safety drills, and frequently review lessons learned from chemical incidents across our industry. Only by internalizing every stage of the product’s journey—from ingredient synthesis to final lifetime disposal—do we improve processes over time.

    Direct Comparison with Related Organophosphonates

    End-users often ask for clarity between O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate and related organophosphonates. Unlike more basic dimethyl phosphonates, the presence of the trichloro-hydroxyethyl moiety in this molecule shifts its application and behaviors. The chlorinated group enhances reactivity in certain key coupling reactions required by agrochemical and specialty material manufacturers, a fact our R&D teams have verified repeatedly under varying laboratory and pilot plant conditions. This added functionality, though, introduces both advantages and some challenges—particularly in shelf stability and compatibility with water-based systems.

    In real-world usage, competitors’ materials often display small but significant drift in purity and stability, which translates to plant-level delays and remedial work for our customers. By controlling crystal habit and minimizing trace impurities at the production stage, we remove much of the uncertainty that creeps into technical processes relying on clean intermediates. This attention to detail grows out of real conversations with users who have seen both sides: what happens when their supplier is just a reseller, and what happens when the source is a genuine stakeholder in the product lifecycle.

    Responding to Industry Demands: Adaptability and Accountability

    Adapting our process to suit industry-wide shifts—such as lower permissible impurity levels or demand for phthalate-free production environments—has required subtle and ongoing changes in synthesis and purification. Retrofitting equipment, validating new washing protocols, and maintaining traceability all flow from a direct responsibility to the end product. We believe change goes hand in hand with transparency; sharing process updates or batch deviations isn’t just good practice, it builds the kind of trust essential for long-term partnerships in chemical manufacturing.

    The pace of regulatory updates has increased, especially in markets sensitive to persistent organic pollutants and chlorinated contaminants. Only by monitoring these shifts in real time—and pre-empting required documentation or formulation tweaks—do we stay ahead of supply disruptions. We draw from first-hand experience working with compliance officers in both Europe and Asia. By issuing proactive update letters and keeping documentation up-to-date, our manufacturing team maintains confidence at every link in the supply chain.

    Supporting Innovation in End-Use Industries

    O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate finds its place in an innovation pipeline that spans agriculture, plastics, and flame protection technologies. Our involvement does not stop at shipping barrels or reviewing orders; we engage with research chemists to support protocol optimization and new pathway development. By giving honest feedback on reaction tolerances or impurity effects—a perspective drawn from hands-on batch history—we empower customer R&D teams to streamline their own experiments.

    A pattern has emerged with new applications: breakthrough products aren’t just the result of new chemistry, but of suppliers willing to co-develop test plans, troubleshoot analytical glitches, or share best practices across markets. Our factory teams have supported scale-up trials where turnaround mattered more than cost per liter. In these cases, our role as manufacturer extends beyond quota fulfillment and shifts toward collaborative problem-solving, especially when unexpected results crop up or novel reagents make an appearance.

    Looking to the Future: Building on a Tradition of Reliability

    Each year, broader trends push chemical manufacturing to become more nimble, ecologically responsible, and technically sophisticated. For O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate, every improvement—whether it’s in process robustness, solvent recovery, or packaging traceability—echoes lessons learned in direct partnership with end-users. Our teams recognize that the best product isn’t simply the purest or most affordable: it’s the one that adapts to shifting realities, regulatory hurdles, and technical challenge in a way no outsourced vendor can match.

    Being the manufacturing source means we own every challenge, from raw material delays to unexpected plant events. This commitment grounds our expertise and ensures that, as regulations become more complex or applications evolve, we remain trusted partners in innovation. Through direct experience and a shared dedication to continuous learning, O,O-Dimethyl-(2,2,2-Trichloro-1-Hydroxyethyl)Phosphonate stands as an example of what’s possible when manufacturing is about relationships, solutions, and unwavering product stewardship.