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1,2-Bis(Dimethoxyphosphoryl)Benzene

    • Product Name 1,2-Bis(Dimethoxyphosphoryl)Benzene
    • Alias 1,2-Phenylenebis(dimethylphosphonate)
    • Einecs 254-317-9
    • 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

    126606

    Product Name 1,2-Bis(Dimethoxyphosphoryl)Benzene
    Cas Number 15546-77-9
    Molecular Formula C10H16O6P2
    Molecular Weight 310.18
    Appearance White to off-white solid
    Melting Point 83-85°C
    Boiling Point Decomposes before boiling
    Solubility Soluble in organic solvents (e.g., dichloromethane, chloroform)
    Density 1.32 g/cm³ (estimated)
    Smiles COP(=O)(OC)C1=CC=CC=C1P(=O)(OC)OC
    Inchi InChI=1S/C10H16O6P2/c1-13-17(11,14-2)9-7-3-4-8-10(9)18(12,15-5)16-6/h3-8H,1-2H3
    Ec Number 239-570-6

    As an accredited 1,2-Bis(Dimethoxyphosphoryl)Benzene 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 25 grams of 1,2-Bis(Dimethoxyphosphoryl)Benzene, sealed with PTFE-lined cap, labeled with hazard and product information.
    Shipping 1,2-Bis(Dimethoxyphosphoryl)benzene is shipped in sealed containers, protected from moisture and direct sunlight. The package is clearly labeled with chemical identification and hazard information. Standard chemical transport regulations are followed, ensuring secure handling. Temperature and handling instructions are provided to maintain product integrity during transit.
    Storage 1,2-Bis(Dimethoxyphosphoryl)benzene should be stored in a tightly sealed container, under a dry and inert atmosphere such as nitrogen or argon, and protected from moisture and light. Keep at room temperature or as indicated by supplier guidelines. Store away from incompatible materials like strong oxidizers and acids, in a well-ventilated, cool, and dry chemical storage area.
    Application of 1,2-Bis(Dimethoxyphosphoryl)Benzene

    Applications of 1,2-Bis(Dimethoxyphosphoryl)Benzene in Industrial Manufacturing

    1,2-Bis(Dimethoxyphosphoryl)Benzene is used by chemical process manufacturers as a functional building block in specialized downstream applications that require precision reactivity, thermal stability, and reliable phosphorus incorporation. As the original manufacturer, we support advanced industrial synthesis where technical control and compliance drive customer process performance and finished product consistency.

    1. Advanced Flame Retardant Additives for Engineering Plastics

    Compounding facilities blend this compound as a reactive phosphorus donor in the synthesis of halogen-free flame retardant masterbatches for polycarbonate, polyamide, and other engineering resins. High-performance formulations optimize dosing efficiency to achieve stringent fire safety requirements while minimizing plastics deformation and mechanical property loss during processing and end-use. The compound’s specific reactivity profile enables stable integration during polymer melt processing without forming volatile by-products.

    Industry compliance standards

    • UL 94 Fire Safety Standard
    • RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)
    • EN 45545-2 (Railway Fire Protection)
    • REACH Regulation (EC) No 1907/2006

    Typical usage ratio

    • Flame retardant masterbatches: 5–12% by weight, tuned based on polymer backbone reactivity, target LOI (Limiting Oxygen Index), and thermal processing range

    Downstream process integration

    • Introduced directly into polymer blending and extrusion lines as phosphorous donor; may be pre-dispersed in carrier resin or incorporated inline via metered dosing in twin-screw extruders

    Final product types

    • Automotive under-hood parts
    • Electrical cable sheathing
    • Consumer electronics housings
    • Railway interior panels

    2. Pharmaceutical Intermediate for Heterocyclic Synthesis

    Integrated pharmaceutical manufacturers leverage this compound as a controlled phosphorus source during advanced heterocyclic synthesis, especially in the development of organophosphorus ligands and specialty API intermediates. Its unique orthogonal structure permits catalyst-stable, regioselective introduction of phosphorus into aromatic and heteroaromatic scaffolds, crucial for medicinal chemistry workflows under cGMP conditions.

    Industry compliance standards

    • ICH Q7 (Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • Ph. Eur. (European Pharmacopoeia) Monographs for organophosphorus intermediates
    • 21 CFR Part 211 (FDA cGMP for Finished Pharmaceuticals)
    • ISO 9001:2015 Quality Management Systems (Active Ingredient Manufacturing)

    Typical usage ratio

    • Synthesis reaction charges: 0.8–1.5 equivalents per target intermediate, set by route specificity and stoichiometric yield optimization in process development

    Downstream process integration

    • Dosed in early- or mid-stage multi-step synthesis under inert atmosphere; typically activated via Pd- or Cu-catalyzed coupling for ligand complexation or direct P–C bond formation

    Final product types

    • Organophosphorus complex ligands for medicinal scaffolds
    • Synthetic active pharmaceutical ingredient precursors
    • Phosphorylated aromatic building blocks
    • Specialty fine chemical reagents

    3. Synthesis of Specialty Organophosphorus Ligands for Homogeneous Catalysis

    Producers in fine chemistry and catalyst manufacturing utilize this material for the targeted preparation of bidentate phosphorus ligands, supporting downstream applications in cross-coupling, hydroformylation, and asymmetric catalysis. The compound’s defined isomeric structure and electronic effects are leveraged for optimal bite-angle control and steric tuning in ligand frameworks, enabling reproducible catalyst performance in high value-added synthesis.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management Systems in Chemical Manufacturing)
    • Responsible Care Global Charter (for chemical process safety and stewardship)
    • REACH Annex XVII (Handling and Use of Organophosphorus Substances)
    • Environmental, Health & Safety protocols (internal company or ISO 14001-compliant)

    Typical usage ratio

    • Bidentate ligand synthesis: 1.0–1.2 molar equivalents per dichloro- or dibromo-arene, depending on coupling reaction yield and purity requirements

    Downstream process integration

    • Charged into catalyst synthesis reactors post-purification; reacted with transition metal salts in anhydrous solvent in nitrogen atmosphere to form catalyst-ligand complexes

    Final product types

    • Palladium and nickel cross-coupling catalysts
    • Asymmetric hydrogenation catalysts
    • Specialty ligand additives for pharmaceutical or specialty polymer synthesis
    • Homogeneous catalyst pre-cursors for process innovation labs

    4. Synthesis of High-Purity Phosphorus-Containing Monomers for Specialty Polymers

    Polymer manufacturers require this compound as a phosphorus donor in the synthesis of custom aromatic monomers, tailored for high-heat and flame-resistant polymer architectures. Its stability in step-growth and addition polymerization reactions minimizes by-product formation and supports reliable scale-up. This reduces contaminant load in polymer chains—crucial for manufacturers producing electronic, automotive, or aerospace grade resins.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management Systems)
    • UL 746C (Polymeric Materials—Use in Electrical Equipment)
    • RoHS and REACH Substances Compliance
    • ASTM D4066 (Classification of Nylon and Polyamide Resins)

    Typical usage ratio

    • Monomer synthesis: 0.9–1.3 equivalents per diol, diamine, or analogous co-monomer, dependent on final polymer structure and reactivity mapping

    Downstream process integration

    • Fed into high-temperature, solvent-free or slurry-phase monomer reactors; phosphorus introduced during the core condensation or addition phase to ensure chain inclusion

    Final product types

    • Phosphorus-functionalized polyamides
    • Flame-retardant polyesters
    • Electronic-grade specialty resins
    • High-performance copolymers for automotive parts
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    Certification & Compliance
    More Introduction

    1,2-Bis(Dimethoxyphosphoryl)Benzene: A Chemist’s Perspective on Its Value and Applications

    Understanding the Product from the Manufacturer’s Bench

    Years of working with organophosphorus compounds have given our factory team a close-up view of the distinct advantages that 1,2-Bis(Dimethoxyphosphoryl)Benzene brings to modern chemical synthesis. Sitting on our shop floor among reactors and analytical equipment, our chemists and engineers have observed firsthand the remarkable stability and versatility of this compound. Its structure—a benzene ring with two dimethoxyphosphoryl groups para to one another—not only defines its chemical character but shapes how researchers and manufacturers put it to use. We regularly run batches of this material, keeping a close eye on purity and handling safety, and the results have reinforced the reputation this molecule has earned among organophosphorus reagents.

    Specifications from the Lab Table up

    Our in-house standards focus on maintaining a high degree of purity. Every batch undergoes rigorous chromatographic analysis, typically showing purity levels exceeding 98%. The white crystalline solid demonstrates robust thermal stability, which our operators appreciate during scale-up since it reduces the risk of unwanted side reactions or decomposition. In everyday use, the compound displays good solubility in common organic solvents, such as dichloromethane and tetrahydrofuran, making it easy to integrate into existing workflows without hassle or reengineering.

    Melting point consistency tells us much about batch integrity; minor deviations act as an early warning for impurities or incomplete reactions. Our process development has identified efficient washing and drying steps that further prevent the introduction of moisture, safeguarding the reactivity profile expected by our polymer and pharmaceutical clients. As a manufacturer, these efforts translate to less variability in downstream processing, reducing costly surprises.

    Why Synthesis Teams Rely on This Reagent

    Our conversations with development chemists, both on-site and at client facilities, reveal why this compound stands out. The dual presence of dimethoxyphosphoryl groups offers enhanced nucleophilicity under certain reaction conditions, streamlining the addition to a variety of electrophilic centers. This reactivity profile supports the efficient construction of phosphorus-carbon bonds, a feature in high demand as life science innovators develop next-generation ligands and pharmaceutical intermediates.

    Bench scientists often comment on the reproducibility of results when 1,2-Bis(Dimethoxyphosphoryl)Benzene gets involved. Because we control the raw material selection and synthesis pathway in-house, we avoid off-odors, discolorations, or handling difficulty. Over countless syntheses, this consistency means less troubleshooting, higher yields, and reliable data—which, as any R&D chemist will admit, goes a long way during project planning and scale-up discussions.

    Applications Learned through Industry Partnership

    Our facility not only produces this compound; we witness its transformation every day. Manufacturers of flame retardants and specialty polymers regularly order large quantities, reporting success using this molecule as a core building block. The rigid aromatic core and stable organophosphorus side chains impart enhanced thermal resistance and flame-retarding behavior that aligns with safety standards for automotive, aviation, and consumer electronics. This kind of feedback informs how we adjust particle size and purity optimization in our process control to better fit end-use demands.

    Beyond polymers, pharmaceutical pipelines benefit from the versatility of 1,2-Bis(Dimethoxyphosphoryl)Benzene. Its reactivity supports the synthesis of phosphorus-containing heterocycles and advanced intermediates for enzyme inhibitors and nucleotide analogs—a testament to the broad utility this chemical offers. Researchers appreciate that our material behaves predictably, letting them focus on target molecule design rather than troubleshooting reagent quality. We don’t just ship product; we follow up and discuss downstream issues, using that knowledge to refine every production run.

    Comparisons: Where Differences Matter Most

    Many labs once relied solely on triphenylphosphine-based reagents or simple mono-phosphoryl compounds, but these options often show either limited reactivity or poor solubility in certain systems. Over time, reports from our users highlighted inefficiencies that our process engineers recognized as opportunities for improvement. For instance, triphenylphosphine derivatives often leave stubborn byproducts that complicate purification. In contrast, 1,2-Bis(Dimethoxyphosphoryl)Benzene gives a cleaner reaction profile, with less residue and easier extraction—key benefits when time and efficiency drive industrial output.

    We also see a trade-off among similar organophosphorus reagents: some offer excellent selectivity but break down readily under thermal or oxidative stress. In our experience, the dimethoxyphosphoryl configuration offers the best of both worlds. We’ve tested its resilience through repeated heating cycles and exposure to common oxidants, with minimal degradation. A molecule that maintains integrity at high temperatures matters greatly for manufacturers, as breakdown leads not only to yield losses but expensive downtime and waste handling headaches.

    Process Safety and Environmental Responsibility

    Handling any organophosphorus compound brings health and safety responsibilities. Our crew has taken time to implement local exhaust ventilation and dedicated reactor cleaning protocols for every batch. This active approach reflects ongoing feedback from site audits and the collective knowledge base accrued from decades of chemical manufacturing. We’ve observed that the dimethoxyphosphoryl substituents reduce the volatility and dusting issues present in other, more reactive phosphorus chemicals, making storage and transfer safer for our line workers.

    From an environmental compliance standpoint, we have invested in solvent recovery systems and waste neutralization units, reducing the impact of every ton produced. Our sustainability team constantly reviews raw material sourcing, striving to minimize the footprint of starting chemicals and packaging—an approach driven not by compliance checklists but by daily realities of working with hazardous substances. Clients are increasingly attentive to the environmental story behind products. Sharing life cycle data and emission reduction steps builds real trust and saves us complications when regulations shift.

    Problem-Solving Insights Direct from the Plant

    Ask any plant manager: scale-up introduces challenges that textbooks rarely mention. During our early production campaigns, we encountered viscosity buildup in some recirculating reactors. A close review of reaction exotherms and filtration steps, supported by process analytical technology, let us tweak batch temperatures and filter mesh to avoid clogs—a lesson borne from practical experience, not theoretical guidelines. Documenting these process modifications gives us a deep bench of solutions to draw on for future runs, shortening downtime and improving output reliability.

    We’ve also seen the importance of choosing the right pressure and agitation profiles to keep the compound well dispersed during crystallization. Operators who have transitioned from other phosphorus reagents report fewer disruptions during solid isolation, in part because our optimized process avoids sticky intermediates that foul equipment. Smooth-running production means less strain on maintenance budgets and more flexible order fulfillment, so we place real value on these finely tuned operating procedures.

    Growth and Research Collaboration

    As chemists and engineers ourselves, we get regular insight from research partners who push the boundary of what this compound can do. Collaborative projects with academic teams have uncovered novel catalytic processes and discovered how structural fine-tuning of the dimethoxyphosphoryl groups leads to tailored selectivities. These findings often migrate from lab to plant with our help, supporting commercial adoption by tweaking reaction conditions or drying protocols to scale up from milligram to multikilogram quantities.

    From our standpoint, these partnerships drive innovation, not just in product design but in safer, greener, and more cost-effective manufacturing methods. Every insight from real reaction setups feeds directly into batch records and control parameters in the next production cycle. Over the years, frequent and open communication with end-users, both in R&D and process environments, has improved not just yield and purity, but reliability in sourcing.

    Addressing Customer Challenges in Real-Time

    In the course of strengthening our supply chain, we often encounter unique customer requirements—different solvent systems, target reaction times, or specialized post-reaction handling. Our technical support operates out of the same plant that produces the compound, so troubleshooting is rapid and grounded in day-to-day manufacturing knowledge. When a client mentioned issues with large-scale dissolution, process chemists experimented on our floor, reporting back with protocol modifications that dramatically improved solubility and batch consistency.

    Direct manufacturer feedback loops help avoid the pitfalls of generic, outsourced product support. We draw from actual batch history and collect process data from every campaign. For customers, heavy focus on process transparency pays off in less guesswork and tangible benefits—improved timelines and fewer scale-up surprises.

    The Broader Value of Specialty Phosphorus Chemistry

    From the vantage point of a specialty chemical producer, 1,2-Bis(Dimethoxyphosphoryl)Benzene sits at the intersection of traditional phosphorus chemistry and modern synthetic demands. Specialty reagent production cannot afford shortcuts in quality assurance or hazard controls, so we constantly revisit raw material controls, handling instructions, and emergency protocols. This hands-on approach, paired with an openness to customer input, differentiates our product line from generic or repackaged chemicals seen elsewhere.

    The product’s molecular structure, with two phosphorus atoms each bearing dimethoxy groups, puts it within a rare class of reagents. Like other benchmark organophosphorus compounds, our material acts as a platform for more advanced molecular design but stands apart in terms of thermal and chemical stability. Experience shows that these properties make a tangible difference in throughput, waste reduction, and safety outcomes.

    Continuous Improvement and Looking Forward

    Every campaign and client conversation reveals new ways to fine-tune manufacturing and support. Review meetings focus on what’s happening in the reactors—not just numbers, but real changes in temperature profiles, product color, and ease of solid-liquid separation. We tackle incidents—whether a filter jam or a surprising assay result—by gathering input directly from the people handling the materials. Their daily encounters with the material feed into iterative process improvements and help us adjust for more consistent results next production cycle.

    Upcoming industry trends show growing demand for phosphorus-based materials that balance environmental safety and reactive versatility. Our R&D effort keeps a close eye on new ligand architectures and catalytic systems, evaluating them side-by-side with routine QC samples from our lines. This approach demystifies the technology transfer process for users, bridging the gap from research idea to application by providing real-world production insights.

    New methods in solvent recycling and reaction work-up, piloted by our technical teams, have already cut down emissions from phosphorus chemistry units. Site safety drills and incident response reviews keep standards up, not only for regulatory compliance but also to maintain a healthy work environment. These combined efforts mean clients get the benefit of a compound whose supply chain is actively managed for both regulatory and practical outcomes.

    A Manufacturer’s Commitment: Linking Chemistry and Care

    As we continue refining our processes and exploring new applications for 1,2-Bis(Dimethoxyphosphoryl)Benzene, the commitment remains rooted in daily realities. Satisfying both technical and regulatory requirements means drawing on decades of site-based experience, actively engaging with colleagues who operate the reactors, monitor the labs, and deliver the product. We see quality as an output not just of advanced instruments but of the people who understand how the process moves from raw materials to packaged solid.

    Across each order fulfilled and every batch reviewed, the lessons learned shape a better, more responsive product. Whether developing new protocols for safer handling, collaborating with research teams to solve emerging synthetic challenges, or deploying field-tested improvements in waste treatment, our manufacturing story demonstrates the power of hands-on, transparent production. Clients benefit not only from a well-made chemical—they also gain a partner committed to solving problems at every stage of the value chain. Experience and consistency enable us to deliver an organophosphorus reagent that stands ready for the next breakthrough or scale-up campaign.