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1-Naphthyloxyphosphorus Dichloride

    • Product Name 1-Naphthyloxyphosphorus Dichloride
    • Alias 1-naphthyloxyphosphonic dichloride
    • Einecs 220-678-0
    • 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

    956602

    Chemical Name 1-Naphthyloxyphosphorus Dichloride
    Molecular Formula C10H6Cl2OP
    Molar Mass 262.04 g/mol
    Cas Number 1017-27-0
    Appearance Colorless to pale yellow liquid
    Density 1.4 g/cm3
    Boiling Point 330 °C
    Solubility Reacts with water, soluble in organic solvents
    Refractive Index 1.637 (at 20°C)
    Storage Conditions Store tightly closed in a cool, dry, well-ventilated area, away from moisture

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

    Packing & Storage
    Packing 1-Naphthyloxyphosphorus Dichloride is supplied in a 100g amber glass bottle with a secure screw cap, labeled for chemical handling.
    Shipping 1-Naphthyloxyphosphorus Dichloride is shipped in tightly sealed, corrosion-resistant containers to prevent moisture ingress and hydrolysis. It is classified as a hazardous material and must be transported according to relevant regulations, with clear labeling and proper documentation. Handle with care, ensuring protective measures are in place to prevent leaks and contact.
    Storage **1-Naphthyloxyphosphorus dichloride** should be stored in a cool, dry, well-ventilated area, away from moisture and incompatible substances such as strong bases or oxidizers. Keep the chemical in tightly closed, corrosion-resistant containers—preferably glass or specific plastics—and avoid all contact with water, as it hydrolyzes to produce toxic and corrosive gases. Store it away from direct sunlight and sources of ignition.
    Application of 1-Naphthyloxyphosphorus Dichloride

    Applications of 1-Naphthyloxyphosphorus Dichloride in Industrial Manufacturing

    1-Naphthyloxyphosphorus Dichloride serves as a critical intermediate and functional agent in several specialized chemical production routes. As the original manufacturer, we focus on delivering consistent purity and controlled specification required for downstream sectors with stringent regulatory and operational standards. Below are major industrial scenarios where this material achieves targeted synthesis, surface modification, or process enhancement.

    1. Synthesis of Organophosphorus Flame Retardants

    Producers of advanced polymer materials use this compound in the preparation of phosphorus-based flame retardant agents for specialty plastics. The reagent provides a naphthalene group facilitating strong aromatic compatibility, while its reactive dichloride groups enable stable P–O linkages for high-performance polymer additives. Formulators optimize the P/N loading for specific end polymer matrices, such as polycarbonate or epoxy systems, adjusting process pH and reaction temperature to achieve reliable incorporation and low residual halide content in final flame retardant chemicals.

    Industry compliance standards

    • UL 94: Test for Flammability of Plastic Materials
    • RoHS (Restriction of Hazardous Substances Directive)
    • EN ISO 4589 (Oxygen Index Measurement)
    • REACH Registration (EC No 1907/2006)

    Typical usage ratio

    • Dosage in intermediate synthesis: 0.95–1.10 molar equivalents relative to polyols or diols.
    • Adjusted based on target phosphorus content in the end additive (typically 5–12% by mass in final masterbatch).

    Downstream process integration

    • Reacts during step-growth polycondensation or phosphorization in closed reactor trains.
    • Added after polyol pre-mixing; followed by controlled neutralization and purification to remove residual chloride byproducts.

    Final product types

    • Aromatic phosphate flame retardant agents for polycarbonate resins
    • Epoxy resin flame retardants
    • Polyester and polyurethane systems with built-in fire resistance
    • Masterbatch concentrates for wire and cable coatings

    2. Agrochemical Active Ingredient Intermediates

    In technical agrochemical synthesis, this raw material functions as a core phosphorylation agent for the creation of selective insecticide and fungicide molecules containing naphthalene-phosphorus functionalities. Its reactivity allows integration with aromatic alcohols and amines, producing pro-phosphonate or phosphoramide motifs needed for modern crop protection actives. Chemists strictly control addition sequences, reaction solvent polarity, and moisture exclusion to ensure the high selectivity required in regulated synthesis campaigns.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management Systems in Agrochemical Production
    • EU Regulation (EC) No 1107/2009 on Plant Protection Products
    • EPA Pesticide Registration (40 CFR Part 158)

    Typical usage ratio

    • Applied at 1.05–1.12 molar equivalents per aromatic precursor substrate.
    • Fine-tuned according to required yield and purity of target phosphonate product; generally less than 8% by weight in batch scales.

    Downstream process integration

    • Introduced following ring derivatization steps in multi-stage synthesis.
    • Phosphorylation conducted under inert atmosphere using polar aprotic solvents and controlled exothermic quench.

    Final product types

    • Phosphorus-containing systemic insecticides (e.g., naphthylphosphonate esters)
    • Naphthalene-based herbicide intermediates
    • Fungicidal actives with aromatic phosphorus groups
    • Crop protection technical concentrates

    3. Pharmaceutical Intermediate for Anticancer and Antiviral Drug Synthesis

    Advanced pharmaceutical manufacturers utilize this compound in the preparation of highly regulated phosphorus-containing intermediates, which serve as core scaffolds or prodrug moieties in oncology and antiviral APIs. Reaction pathways exploit its selective reactivity, enabling formation of stable P–O–Ar linkages needed for targeted prodrug functionalities. Manufacturing chemists implement GMP-compliant protocols, using the compound at critical phosphorylation steps to maximize yield, control impurities, and achieve tight batch traceability.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP/NF monographs for starting materials
    • Ph. Eur. 10.0 standards on raw material control
    • FDA 21 CFR Part 211: Current Good Manufacturing Practice in Manufacturing, Processing, Packing, or Holding of Drugs

    Typical usage ratio

    • Usually 1.0–1.15 molar equivalents relative to the pharmaceutical precursor molecule.
    • Optimization based on clean conversion rates and minimization of chlorinated byproducts. Final API batch standardization often requires less than 0.5% residual process impurity.

    Downstream process integration

    • Added at early- or mid-stage phosphorylation barriers in protected synthesis environments.
    • Followed by hydrolysis, purification by crystallization, and stringent in-process analytical control.

    Final product types

    • Key intermediates for nucleoside phosphate antivirals
    • Organophosphorus scaffolds for kinase inhibitor APIs
    • Functionalized naphthyl phosphoric acids for chemotherapeutic drug candidates
    • cGMP-grade API intermediates for further API elaboration

    4. Surface Treatment Agent in Specialty Coatings

    Producers of advanced surface coatings employ this raw material as a crosslinking and activation agent for enhancing substrate binding in specialty paints, anti-corrosion primers, and engineered protection layers, especially on metals and glass. Its dichloride functional groups react with hydroxylated surfaces, introducing durable phosphorus-based linkages and aromatic moieties that boost chemical resistance and adhesion. Process engineers control dosing and contact time to manage phosphorization depth, often under controlled temperature and humidity to maximize crosslink density.

    Industry compliance standards

    • ISO 12944:2018 Paints and Varnishes — Corrosion Protection of Steel Structures
    • ASTM D3359: Standard Test Methods for Measuring Adhesion by Tape Test
    • ISO 9227:2017 Corrosion Tests in Artificial Atmospheres
    • REACH Safety Data Requirements for Surface Coating Chemicals

    Typical usage ratio

    • Applied at 0.3–1.5% by weight based on total resin solids in coating formulations.
    • Adjusted according to target thickness and end use, e.g., protective coatings vs. decorative finishes.

    Downstream process integration

    • Blended directly into prepolymer or binder mix in the early stage of coating preparation.
    • Applied during metal pre-treatment or glass surface activation before main coating deposition.

    Final product types

    • High-durability anticorrosion coatings for industrial metal infrastructure
    • Protective primers for automotive and aerospace parts
    • Specialty glass coatings for architectural panels
    • Engineered chemical-resistant paints for chemical storage and processing environments

    5. Synthesis of Functionalized Ligands for Catalysts

    Chemical engineers synthesize phosphonate-functional ligands using this input for applications in homogenous and heterogeneous catalysis. Its aromatic phosphorus dichloride core facilitates construction of bidentate and multidentate ligands, essential for transition-metal catalyst complexes. Research teams monitor ligand purity and functional group placement for catalyst performance, using solvent selection and reaction order for efficient ligand assembly and downstream catalyst support immobilization.

    Industry compliance standards

    • ISO 17025:2017 for chemical laboratories handling ligands and catalysts
    • Chemical Management according to Globally Harmonized System (GHS)
    • Standard catalyst certification procedures for ligand reproducibility
    • REACH hazard and registration for laboratory reagents

    Typical usage ratio

    • Condensation reactions use 1.0–1.05 molar equivalents per target ligand backbone.
    • Varies according to metal-ligand complex stoichiometry and target ligand yield in research or scale-up runs.

    Downstream process integration

    • Serves as the phosphorylation agent in ligand backbone assembly, introduced after aromatic ring coupling.
    • Product purified by column chromatography prior to catalyst complexation or immobilization onto supports.

    Final product types

    • Organophosphorus ligands for palladium or ruthenium catalysts
    • Bidentate chelating agents for hydrogenation or coupling catalysts
    • Functional catalyst supports for fine chemicals manufacture
    • Specialty ligands for pharma, agro, and olefin polymerization catalyst systems
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    Certification & Compliance
    More Introduction

    Introducing 1-Naphthyloxyphosphorus Dichloride: Practical Insights from the Production Floor

    Direct Experience with 1-Naphthyloxyphosphorus Dichloride

    Inside our chemical plant, each batch of 1-Naphthyloxyphosphorus Dichloride starts with carefully selected naphthol and phosphorus trichloride. We keep the process controlled from start to finish to maintain high product consistency. Chemical producers see plenty of talk about purity and color, but actual ease of handling, purity, and batch-to-batch reliability often matter most to downstream users. Based on countless production runs, this compound sets itself apart thanks to distinctive reaction properties.

    Where 1-Naphthyloxyphosphorus Dichloride Fits in Real Industrial Workflows

    Our teams support varied synthesis needs for pharmaceutical, agrochemical, and materials specialists. Chemists working in scale-up or research settings often choose this product for its role as an intermediate. Unlike lower-grade phosphorus-based chlorides prone to quick hydrolysis or unpredictable side reactions, our own process keeps moisture content in check, minimizing unwanted byproducts. Consistent color and low impurity profiles speak to stable process control. We routinely receive data-supported feedback from partners who appreciate sharply reduced need for additional purification, saving both time and resources on large projects.

    Model Designation and Typical Specifications

    We manufacture this product under internal designation NPDC-01 to help buyers distinguish it from generic or inconsistent supply sources. Average assay values remain above 98.5%, and we keep free acid levels well below accepted industrial thresholds. Rigorous attention to packing under inert conditions protects every container from atmospheric exposure. Each drum comes tightly sealed at the filling station. Chlorine content always falls within the range needed for precision organic synthesis routes. Phosphorus content is checked by titration at least twice for each batch, as phosphorus variation can affect yield and reproducibility down the line.

    Usage: Downstream Applications That Rely on High-Quality Dichloride

    In practice, most large-scale users take 1-Naphthyloxyphosphorus Dichloride into coupling reactions, esterifications, and phosphorus-ligation chemistry, especially where a robust naphthyl group is needed. Those developing new crop protection agents often rely on predictable reactivity and minimal introduction of impurities—our product’s low byproduct signature reduces subsequent purification steps. We work with formulation experts in the pigment and plastics field who depend on phosphorochloridates for precise modification of base polymers. Our production team tailors each lot to fit these demanding needs. Unstable grades from other sources result in reduced shelf life or batch failures, costing thousands in lost production. Our own lines maintain an active dialogue with end-users to adjust and improve product performance for new research, so new synthetic needs quickly feed back into quality upgrades.

    What Sets Our 1-Naphthyloxyphosphorus Dichloride Apart

    Many competitors rely on bulk blending techniques or infrequent quality checks. Our shop-floor chemists run continuous in-line monitoring—a step that directly influences the high retention of the phosphorus-chloride bond, preventing premature decomposition. Because of this, our clients report greater consistency during longer reaction runs, with less waste generated. The difference in impurity profiles often becomes noticeable under analysis: we separate and analyze minor constituents in every outgoing batch, flagging any anomaly before shipment. This level of attention pays off most for those requiring high-precision phosphorus intermediates.

    Key Differences Compared to Other Phosphorus Chlorides

    Our plant handles multiple phosphorus-based intermediates, and we see stark contrasts. 1-Naphthyloxyphosphorus Dichloride possesses unique physical and chemical characteristics. Compared to triphosphorus trichloride and related chlorophosphates, this compound brings elevated structural stability from its naphthyl backbone. This translates to increased shelf life under standard warehouse conditions and superior compatibility in multi-step organic syntheses. In some applications, tetra-chlorinated phosphorus reagents introduce extra reactivity, which sounds promising until uncontrolled reactions cause chain degradation or unexpected polymer cross-links. Our product stays controllable in diverse solvent systems and at a broad range of temperatures, widening the processing window for synthetic chemists.

    We also see better granularity in functional group selectivity—especially important for those working at the interface of medicinal chemistry and materials science. Our production-volume customers in Europe and Asia have reported sharper separation in final product mixtures, a fact we attribute directly to our high-purity manufacturing protocols. The structure of the naphthyl ring in the molecule doesn’t tolerate the same shortcuts possible in simpler organophosphorus compounds. Experienced process engineers come back to our team not only for consistent dichloride content but also for the way our product resists undesired hydrolysis, even under relatively humid conditions.

    Production Methods Matter

    All manufacturers face regulatory scrutiny and tightening specifications. In our experience, the source and grade of starting naphthol exert major downstream effects—not just on purity, but also on environmental compliance. Our production lines focus on closed-system chlorination processes with careful quench step controls. Routine gas-phase monitoring checks for fugitive emissions, not just for compliance, but because the discipline keeps byproduct formation low and yield high. This meticulous process control means our dichloride fits seamlessly into high-throughput workflows, where timeline delays from impurity management aren’t tolerated.

    Where competitors cut corners with post-synthesis blending or “reactivation,” we prefer full in-process analysis to guarantee minimal batch-to-batch variation. This method allows us to deliver lots that behave predictably—saving users both time and raw materials in their own formulations. Scaling up from bench to pilot plant, we’ve systematically identified those reaction stages most prone to deviation. This vigilance over years is the reason our customers cite fewer downstream issues using our product.

    Product Handling Advice—Direct from the Packing Room

    After years of loading, sealing, and shipping, our crews noticed even trace levels of moisture impact product color and reaction speed. By moving to vacuum-sealed steel drums, we cut open-batch exposure and improved storage stability. Warehouses storing our dichloride in dry, shaded, well-ventilated areas report very low incidents of container pressurization. Observations from our logistics partners show prompt transfer from drum to reactor is key—less time uncapped means reduced risk of hydrolysis, preserving product integrity.

    Many customers ask about safe handling. In the real world, the priority is clear: rigid personal protection and quick access to basic neutralization agents. This isn’t just compliance—it’s from direct observation of how fast a spill reacts with ambient humidity. We stress these points during staff training because they reflect actual lessons from past incidents, not just rules written on paper.

    Routine Problem-Solving in Collaboration with Customers

    Our development chemists have encountered unexpected challenges in scale-ups, especially crossover reactions in multi-reactor facilities. We’ve addressed these head-on by running controlled pilot batches, adjusting feed rates, and altering solvent ratios. By maintaining direct dialogue with customers, we catch problems as they emerge and can recommend in-line filtration or pre-reaction drying, saving production lines from significant downtime. Factory managers looking to maximize yield or control purity derive more benefit from real-time feedback than generic technical support, a difference our team prides itself on providing.

    Across the years, we’ve noted that analytical support makes a real difference for production-scale chemists. Shared sample results and root-cause analysis pinpoint contamination sources, whether from raw material irregularities or line cleaning lapses. When a customer ran into off-color formation during months of warm storage, we modified our packing process to reduce exposure to heat and UV. The improved protocol delivered the stability they sought, demonstrating how production expertise translates into immediate practical value.

    Product Innovation Motivated by User Feedback

    A few years back, customers complained about solidification during winter months. The root cause traced back to trace water retention during final packaging. Our adoption of a stepwise in-line drying process, verified by side-by-side Karl Fischer titration, quickly resolved this. Today, batches ship with moisture content documented below detection limits, enabling continuous feed directly into high-volume reactors. In some cases, users needed pre-diluted stock to simplify transfer in automated systems. We responded with a dilution and stabilization option, delivering dissolved product straight to customers for no-loss filling.

    Environmental targets and regulatory demands have driven changes in how we report and certify product parameters. Clients require third-party assays for trace impurities and residual solvent levels. By proactively adjusting in-plant monitoring and independently certifying outgoing lots, we not only meet but also anticipate compliance changes. Our focus on transparency and process control gives users concrete, actionable data, especially when new regulatory interpretations arrive mid-project.

    Seen Through the Lens of End-User Needs

    Our direct clients operate in innovation-driven markets—pharmaceutical synthesis, specialty agrochemical ingredients, and advanced materials processing. These environments reward reproducibility and penalize downtime. Inevitably, projects push process boundaries, demanding product performance sometimes far outside published specifications. With in-house synthesis extending from lab-scale trials to full commercial runs, we see unique demands arise all the time. Rather than send out generic COAs and hope for the best, our technical teams welcome conversations to adjust process points—whether it’s lowering allowable trace solvent values or ramping up purity for a multi-step coupling run.

    Several industry partners have approached us for supply chain security. Market disruptions, whether geopolitical or climate-driven, create gaps other suppliers can’t fill quickly. By controlling every input and packaging step, we protect against raw materials or substandard intermediates fouling the supply chain. In times of market instability, producers who transparently document capacity and contingency plans secure more stable relationships with key users. This feedback directly led us to expand our own stock monitoring and reserve capacity system, informing future production volumes and collaboration plans.

    Technical Documentation and Regulatory Experience

    Over years in the chemical manufacturing sector, we’ve encountered changing regulatory requirements for chemicals like 1-Naphthyloxyphosphorus Dichloride. Whether the challenge comes in the form of new reporting thresholds, region-specific shipping guidelines, or customer-driven requests for extensive impurity data, our documentation team works hand-in-hand with production. Customers with international compliance needs benefit from our ability to supply supporting technical dossiers, hazard statements, and purity certifications based on lot-specific analyses. As governments and regulators evolve their guidelines, our real-world understanding of shipping, storage, and batch traceability ensures uninterrupted flow of product into global markets.

    Occasionally, a new requirement surfaces with little advance warning—cross-border data integrity, unique hazard labeling, plasticizer content declarations. By maintaining direct relationships with regulatory experts and auditing bodies, we adapt quickly and update protocols, reducing risk for our users. The value this provides can’t be matched by resellers or traders who lack insight into how the product is made and how minor production changes impact the end-product down the line.

    Environmental Responsibility and Waste Management in Manufacturing

    Plant managers face ongoing pressure to reduce waste volumes and harmful emissions. Our own experience shows that source quality and clean-room handling reduce downstream pollution. Every waste stream from dichloride synthesis routes passes through on-site treatment and neutralization lines, not just because this meets standards, but because it enables reuse and cost savings. Research and development teams within our company continually collaborate with external partners to cut residual phosphorus waste, capturing more material for reprocessing.

    This hands-on production approach has an added benefit—most synthetic byproducts are mapped from batch inception to disposal. Transparent reporting and product stewardship lead to better community relations; site inspectors now verify protocols by directly reviewing our waste records. Our work to align with voluntary industry benchmarks helps build trust with downstream customers who factor sustainability into sourcing decisions.

    Industry Collaboration as a Source of Progress

    Our story with 1-Naphthyloxyphosphorus Dichloride traces a path of partnerships—customers bring novel applications and process requirements, and we bring real-world experience from the reactor to the filling line. This collaboration enhances every aspect of our product, from purer chemistry to safer handling. We’ve participated in joint process optimization workshops where synthesis engineers dissect reaction yields, troubleshoot plant bottlenecks, and target cost efficiency at every stage. In some situations, competitors become collaborators because industry-wide improvements uplift all participants and improve safety, a view we’ve cultivated through shared experience.

    Technology transfer is a two-way street. Our synthesis data, gathered from years of custom-order fulfillment, becomes a resource for customers entering new application areas. Their on-the-ground insights into how dichloride interacts with other ingredients often inspire tweaks to our own protocols. By offering not just a chemical but real operational insight, we help project managers and plant operators prevent problems before they cause disruption or loss. This depth of engagement stands out starkly against a simple transaction or anonymous procurement arrangement.

    Looking Ahead: Meeting New Challenges Together

    Sustained success with a niche product like 1-Naphthyloxyphosphorus Dichloride demands continuing improvement. Our core philosophy—listen, adapt, and optimize the process—guides every technical upgrade and customer interaction. The world of organic synthesis grows more demanding each year, with higher regulatory standards, tighter QC, and growing requirements for operational transparency. We leverage our first-hand production knowledge to anticipate needs, solve problems in real time, and deliver reliable chemicals that perform in the field and on the bench.

    Some in the industry see such chemicals as mere commodities. Years of plant-floor experience have taught us that real value comes from deep technical roots, adaptability, and a willingness to explore new approaches based on customer trust and operational feedback. These principles help us deliver genuine supply stability—and support the ongoing science happening both inside and outside our facility walls.