|
HS Code |
618666 |
| Product Name | Bisphenol-A Bis(Diphenyl Phosphate) |
| Abbreviation | BDP |
| Cas Number | 5945-33-5 |
| Molecular Formula | C39H34O8P2 |
| Molar Mass | 692.62 g/mol |
| Appearance | Clear, colorless to pale yellow viscous liquid |
| Melting Point | - |
| Boiling Point | >250°C (decomposes) |
| Density | 1.25 g/cm³ at 25°C |
| Solubility In Water | Insoluble |
| Flash Point | >250°C (closed cup) |
| Applications | Flame retardant for plastics and resins |
| Odor | Mild, characteristic |
| Vapor Pressure | <0.001 Pa at 20°C |
| Refractive Index | 1.585 - 1.595 at 20°C |
As an accredited Bisphenol-A Bis(Diphenyl Phosphate) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | 25 kg net weight, white fiber drum with secure lid, inner polyethylene liner; labeled "Bisphenol-A Bis(Diphenyl Phosphate)," CAS, and hazards. |
| Shipping | Bisphenol-A Bis(Diphenyl Phosphate) should be shipped in tightly sealed containers, away from heat, sparks, and incompatible materials. It is typically transported as a non-hazardous liquid under normal conditions, but safety data sheets and local transport regulations must be followed. Use appropriate labeling and secure packaging to prevent leaks during transit. |
| Storage | Bisphenol-A Bis(Diphenyl Phosphate) should be stored in a cool, dry, and well-ventilated area, away from sources of ignition, heat, and direct sunlight. Keep the container tightly closed and store it in a chemically compatible, corrosion-resistant container. Avoid contact with strong oxidizing agents, strong acids, and moisture. Ensure appropriate labeling, and restrict storage to authorized personnel. |
Competitive Bisphenol-A Bis(Diphenyl Phosphate) prices that fit your budget—flexible terms and customized quotes for every order.
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As the actual manufacturer of Bisphenol-A Bis(Diphenyl Phosphate), often referenced as BDP, I have worked through the many layers that influence its quality and practical value. Over decades in the chemical sector, one pattern stands out: industries keep demanding safer, more efficient flame-retardant solutions that can accommodate modern manufacturing requirements without sacrificing safety or process efficiency. BDP has responded to this call, carving its niche as a phosphorus-based flame retardant, free of halogen and suitable for high-demand applications.
The chemical world offers no shortage of flame retardants. Yet not all solve the headaches faced by electronics, automotive, and engineering plastics producers. Our BDP provides a balance of flame resistance, processability, and stability demanded by advanced polymers. Many longstanding alternatives, based on halogen chemistry, threaten environmental stability and often introduce complications during recycling or compounding. In contrast, BDP sidesteps common regulatory and technical obstacles arising from halogenated options.
Throughout my production experience, BDP consistently matches the performance benchmarks set by end-use manufacturers. The product’s backbone, derived from bisphenol-A and diphenyl phosphate groups, promotes thermal stability that translates into strong flame resistance, particularly in polycarbonate and PC/ABS blends. The chemical structure encourages compatibility within most engineering plastics, allowing finished goods to keep their clarity and mechanical integrity instead of suffering from blooming or embrittlement, issues frequently noted with alternative flame retardants.
Manufacturing flame retardants for practical use demands more than hitting a chemical formula. Production lines operate on a rhythm—melting, mixing, molding—and the additives must flow with minimal friction. Too many of the alternatives disrupt this cadence, causing gelation, excessive smoke, or reduced mechanical strength in finished goods. BDP stands out, in my experience, by allowing polymer processors to keep lines running without facing constant rework due to additive incompatibility or volatility.
This is not accidental. Years of manufacturing have taught us to control everything from raw material purity to reaction atmosphere during synthesis, nailing down the right viscosity grades, water content thresholds, and phosphorus content so that the end product does its job without fuss. BDP comes in a viscous liquid form, making it easy to meter with gravimetric or volumetric feeders, much preferred over dust-prone powders or highly volatile alternatives. The phosphorus loading typically lands above 10% by weight, providing a statistically reliable contribution to flame retardancy in most usage scenarios.
Historically, compounds such as tetrabromobisphenol A and other halogenated systems have dominated the flame-retardant conversation. Experience bears out the trade-offs: regulatory pressure, uncertain disposal channels, and incremental negative impact on human health and the environment. The narrative around BDP and similar phosphorus-organic choices emerges from these pain points. Every ton of BDP we ship aims to replace compounds that linger in landfills or bioaccumulate in food chains.
Strict regulations governing electronics, building materials, and automotive components, including RoHS or REACH in Europe, reinforce a shift toward phosphorus chemistry. Our customer base confirms time and again that end products passing fire standards such as UL 94 V-0, with stable electrical and mechanical properties, form the new baseline for global competition. BDP’s chemistry checks these boxes, since it doesn’t introduce corrosion or smoke toxicity that hampers downstream applications.
The practical value of BDP emerges in places requiring dependable flame retardancy: electrical housings, connectors, laptop casings, automotive trim, and home appliances all benefit. In manufacturing plants like ours, the demands of global appliance and electronics brands go far beyond price or data sheets—they focus on consistency, process yield, and ease of scale-up. Polymer producers can blend BDP directly into their melt processes without clogging filters or causing yellowing under typical molding conditions, which stands in sharp contrast to phenol-based or solid flame retardants that often demand special treatment.
Over the years, we worked closely with compounding lines in Asia, North America, and Europe to refine the shear stability and thermal performance of BDP formulations. Consistent lot-to-lot quality lets processors hit production rates without adjusting extruder parameters with every shipment. This predictability reflects process-driven feedback from our own labs and our customers’ production lines, leading to robust flame retardant performance and lower overall scrap rates.
Differences in polymer compounding lines and molding equipment call for BDP grades that match their viscosity and purity demands. Our manufacturing lines produce commercial BDP grades that meet set phosphorus content and thermal performance profiles. Key metrics, such as acid number, color (Gardner scale), and hydrolysis resistance, are tracked stringently. Through careful control, we avoid high acid values or color drift that can otherwise torpedo product performance in clear or colored resins.
BDP’s low volatility makes it suitable for high-temperature polymer processing, which gives it a clear advantage over flame retardants that break down or off-gas below the recommended processing temperature ranges of polycarbonate, PC/ABS, and certain polyester blends. We set benchmarks for hydrolysis resistance because experience teaches that early breakdown ruins both flame performance and physical properties. Each lot gets tested for stability under humidity and heat, based on feedback from compounding partners who have dealt with hydrolysis failures using lesser grades in the past.
Back in the early days of flame retardant manufacturing, batch-to-batch drift caused constant issues—sometimes resulting in flaming failures, sometimes in surface defects or aesthetic complaints. Repeatable quality is not an accident; it’s born from years refining process steps and using robust analytical feedback to drive production changes. Our analytical lab systematically monitors incoming raw materials, in-process reaction intermediates, and outbound finished liquids to lock down consistent phosphorus content and exclude problematic byproducts.
Out in the field, we have witnessed how additives with unchecked acid value promote corrosion in metal inserts, while excessively low viscosity grades bleed out of polymer matrices, undermining finished part strength. This kind of hands-on, iterative improvement is reflected in our standard grade BDP, as well as custom-formulated versions, such as high-purity or low-moisture options, all based on feedback from real compounding challenges shared by partners.
My years overseeing batch and continuous manufacturing lines inform every tweak we make to our BDP production. Downtime from clogged filters, uneven additive dispersion, or inconsistent color increases costs not just here, but across entire supply chains—from compounders to OEMs putting parts in the hands of end users. That’s why our focus lands squarely on process streamlining: BDP’s flow characteristics allow for smooth blending, even at high filler loads, so technicians avoid lumps or streaks during compounding.
We also identified that a narrow distribution in molecular weight aids compatibility and reduces volatility. Unwieldy product specifications lead to manufacturing chaos; by focusing on dialed-in viscosity, phosphorus content, and minimized side products, we support high-throughput compounding lines that demand less operator intervention and cut batch cycle times.
No two flame retardants carry identical trade-offs. Phosphoric acid esters—triphenyl phosphate (TPP) or resorcinol bis(diphenyl phosphate)—often get compared against BDP for their similar application range. Over the years, we encountered upstream suppliers pushing alternatives said to offer comparable flame retardancy. In practice, TPP’s volatility at high-temperature processing creates more odor issues and a greater risk of migration. Similarly, resorcinol-based systems, while offering robust flame suppression, can introduce higher water sensitivity, creating drawbacks for automotive components exposed to heat and humidity over their lifetime.
Halogenated systems, chiefly brominated and chlorinated organics, still populate some international markets due to legacy supply channels and cost. Yet mounting global concerns over toxicity and environmental fate have pushed manufacturers like us to invest further in phosphorus-based chemistry.
BDP not only matches but consistently surpasses TPP in hydrolytic stability and fire resistance in rigid applications. Our in-house analysis, corroborated by customer trials, underscores this point. At the same phosphorus loading, molded PC/ABS blends retain color, gloss, and mechanical toughness, with consistently lower emissions during processing—an outcome beneficial to both operators and finished-product users.
As environmental and health agencies raise the bar for allowable additives in consumer electronics and vehicles, manufacturers like us sit in constant dialogue with regulators and downstream customers. Restrictions on substances such as polybrominated diphenyl ethers, antimony, and chlorinated paraffins reflect a global trend that demands smarter, safer chemistry at scale. BDP, by virtue of its design, fits into these evolving frameworks.
We structure our synthetic routes and quality controls to avoid hazardous byproducts. As a result, bulk shipments of BDP can pass compliance testing for key markets in Asia, Europe, and North America. Clients frequently send queries about the presence of SVHCs (Substances of Very High Concern), and we rely on traceable, rigorous batch data to confidently respond to client and regulatory queries—no cut corners, no gray areas.
Throughout the past decade, direct collaborations with electronics OEMs and polymer compounders have drawn our manufacturing operation closer to the pulse of market needs. End customers demand thinner, lighter, and more complex electronics. Every component, even additive-level ingredients, draws scrutiny from product stewards, procurement specialists, and safety professionals in modern supply chains.
BDP checks off these end-user needs by offering balance: no aggressive emission of corrosive or toxic smoke in case of fire, compatibility with clear and tinted polymers, and reliable processing at elevated melt temperatures. It’s no surprise that standardizing on BDP simplifies vendor approval and lets processors focus on ramping up their own product innovations, not troubleshooting additive failure.
Regulatory minimums set a floor, not a ceiling, for real-world product requirements. In our own plant trials and in the field with partners, we’ve seen how exceeding specification thresholds for water content, phosphorus uniformity, and acid value correlates directly to fewer product returns and enhanced device reliability. BDP’s designed hydrolytic stability means fewer worries about delamination or brittleness after aging cycles.
Across generations of products, our BDP line targets not just the pass-fail markers for flame retardancy but also value drivers such as color fastness, odor profile, and mechanical retention after accelerated aging. By building these traits into upstream chemical design, processors further down the chain avoid expensive surprises during certification or in-market failures.
No flame retardant, BDP included, solves every problem in every system. Through lab-scale and pilot-scale trials, we’ve pinpointed the few edge scenarios where BDP can present issues: certain ultra-high-temperature polymers or applications demanding absolutely zero extractables sometimes call for a hybrid solution. Here, we work with compounders to tailor BDP grade or recommend blend partners that keep performance stable, even in niche cases.
A frequent concern for downstream users centers on additive compatibility in filled and reinforced systems. Silicate and glass fiber–reinforced polymers, for example, pose unique challenges for most flame retardants. In dozens of collaborative trials, we’ve worked to optimize BDP’s dose and blending sequence to reach fire safety targets without suffering significant loss in mechanical strength.
Environmental stress cracking sometimes arises in impact-modified blends if the wrong viscosity or moisture threshold is chosen. We counter this through well-established process controls—stringent drying before packing, moisture-barrier drums or totes, and pre-shipment inspection for both free acid and water content. If a challenge emerges, our technical team gets directly involved to adjust compounding parameters or suggest changes in additive letdown.
Every shift in global plastics demand or appliance design influences chemical input requirements. Sustainable design is climbing the priority list, and low-smoke, low-toxicity flame retardants align with recyclability and reduced life-cycle footprint. As the supply chain landscape in electronics and vehicles changes, we adapted by tightening controls around potential impurities and ensuring traceability from raw materials to finished batches.
Continuous improvement keeps us responsive. Market volatility in phenol and phosphate feedstocks once created headaches in grade sourcing, but proactive inventory management secures consistent output despite these hurdles. Raw material reliability directly impacts our delivery schedules, and our clients depend on that timing to coordinate their own launches and production cycles.
Feedback loops from customer audits, line trials, and quality surveys shape our manufacturing floor and product roadmap. Field technicians consistently report smoother compounding and better part aesthetics, especially for high-gloss device covers and thin-walled connectors. Our own audits corroborate that fewer batch rejects, higher throughput, and reduced odor emissions offer direct value to compounders and OEMs.
The growing importance of sustainable supply chains means scrutiny extends all the way from the origin of our phosphorus sources to the final environmental impact of finished goods. Active dialogue with both supply partners and end users strengthens our confidence that BDP supports these end goals, while maintaining the toughness and safety that define essential consumer and industrial products.
Manufacturing never stands still. Ongoing research into new grades, performance boosters, and improved supply chain transparency continues. Pilot trials in biopolymer blends and advanced electronics casings are already underway; both demand flame retardancy without compromise on processing robustness or end-of-life options.
We keep one eye fixed on field needs, another on efficiency and compliance, and both feet firmly planted in the experience of hands-on manufacturing. Each batch of BDP carries years of cumulative learning, practical troubleshooting, and direct response to the changing demands of processors and product engineers throughout the world.
Through years of real-world manufacturing, we learned that BDP’s performance, stability, and adaptability do not stem from formula alone. No layer of product data replaces the wisdom gained on the compounding line or during product qualification. As regulations, applications, and material requirements evolve, so too must the solutions chemists and manufacturers provide.
Putting BDP in the hands of polymer processors and engineers means supporting not just compliance or fire safety, but also process reliability, product durability, and a cleaner environmental profile. Each shipment represents more than a chemical—it's a concrete answer to the rising challenge of producing safer, more versatile materials for the next wave of industry innovation.
