Anhui Liwei Chemical Co., Limited
Products

Phenol, 2,3,4,5,6-Pentabromo-


    • Product Name Phenol, 2,3,4,5,6-Pentabromo-
    • Alias Pentabromophenol
    • Einecs 201-856-3
    • Mininmum Order 1 g
    • Factory Site Lingwu, Yinchuan, Ningxia, China
    • Price Inquiry sales2@liwei-chem.com
    • Manufacturer Anhui Liwei Chemical Co., Limited
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    118581

    Productname Phenol, 2,3,4,5,6-Pentabromo-
    Casnumber 87-82-1
    Molecularformula C6Br5OH
    Molecularweight 486.48 g/mol
    Appearance White to off-white powder
    Meltingpoint 212-216 °C
    Boilingpoint Decomposes before boiling
    Solubilityinwater Insoluble
    Density 3.6 g/cm³
    Synonyms Pentabromophenol
    Pubchemcid 11923
    Stability Stable under recommended storage conditions

    As an accredited Phenol, 2,3,4,5,6-Pentabromo- factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is supplied in a 100-gram amber glass bottle, tightly sealed, with a clear hazard label identifying it as Phenol, 2,3,4,5,6-Pentabromo-.
    Shipping Phenol, 2,3,4,5,6-Pentabromo- should be shipped as a hazardous material in tightly sealed containers, protected from moisture and incompatible substances. Label packages with appropriate hazard warnings, and comply with regulations such as DOT, IATA, or IMDG for toxic and environmentally hazardous substances. Ensure secure, upright transport and include proper documentation.
    Storage Phenol, 2,3,4,5,6-Pentabromo- should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances, such as strong oxidizers and bases. Protect from light and moisture. Store at room temperature and ensure proper labeling. Use secondary containment to prevent leaks or spills and avoid exposure to air to minimize decomposition.
    Free Quote

    Competitive Phenol, 2,3,4,5,6-Pentabromo- prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615380400285 or mail to sales2@liwei-chem.com.

    We will respond to you as soon as possible.

    Tel: +8615380400285

    Email: sales2@liwei-chem.com

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    Certification & Compliance
    More Introduction

    Introducing Phenol, 2,3,4,5,6-Pentabromo-

    A Manufacturer’s Perspective on Production, Quality, Application, and Innovations

    Manufacturing Phenol, 2,3,4,5,6-pentabromo- involves several intricate chemical reactions. Years of engineering and chemical expertise refine the process to enhance both yield and purity. This compound, often recognized by its systematic name rather than a commercial alias, provides a substantial performance advantage in flame retardant applications. By handling every production stage, from sourcing raw materials to final packaging, we maintain consistency and reliability unmatched in traded or third-party resold products.

    Understanding the Compound: Structure and Features

    The molecular structure of Phenol, 2,3,4,5,6-pentabromo- comprises a phenolic core substituted at all the available aromatic positions with bromine atoms. This structure confers distinct thermal stability and halogen-based flame suppression properties that set it apart from mono- or tribrominated phenols. We’ve dedicated considerable resources to optimizing bromination selectivity, thus avoiding contamination with lower brominated analogs. Pure pentabromophenol can only be achieved with precise control, not by blending off-cuts or collecting fractions from less-intensive manufacturing pipelines.

    Our in-house quality control labs routinely analyze every batch using advanced chromatography and spectrometry, measuring for trace impurities and ensuring no cross-contamination from monobromo or tribromophenol by-products. Real-world projects taught us to expect that even small inconsistencies lead to measurable differences in performance, especially in demanding applications such as electronics or specialty plastics.

    Specifications That Matter in Real Use

    The physical profile of Phenol, 2,3,4,5,6-pentabromo- takes shape as a pale powder, often with a faint odor typical for halogenated phenols. Each production run gets checked for melting range, particle size, and residual moisture content. By limiting particle size variance, the compound blends more thoroughly into polymer matrices, which we learned increases the efficiency of flame retardation and prevents unintentional color changes or surface blooms during processing.

    Every gram aims for maximum activity. Our analysis focuses on active bromine content, and over time, we have found that downstream customers consistently report better results when the bromine load stays above a specific threshold. Subpar materials or mixes laced with non-standard brominated impurities simply do not measure up in application, whether pressed into laminates or compounded in polyurethane foams. Nothing replaces exacting purity in this specialized field.

    Differences: What Sets Phenol, 2,3,4,5,6-pentabromo- Apart

    Side-by-side comparisons reveal sharp differences between pentabromophenol and more common commercial flame retardants such as decabromodiphenyl ether, tetrabromobisphenol A, or basic tribromophenol. DecaBDE, once widely used, creates regulatory headaches and environmental persistence problems. Tetrabromobisphenol A supports mostly epoxy resin applications and lacks the same degree of volatility control. Tribrominated compounds, somewhat easier to make at industrial scale, cannot provide the sustained, high-performance flame resistance found in the pentabromo derivative.

    Using our own production records, we traced long-term trends in customer returns and complaints. These studies showed that premature yellowing, off-odors, or compatibility issues occur far more frequently with blends or mixed-bromine content products than they do with pure Phenol, 2,3,4,5,6-pentabromo-. In electrical insulation or coatings work, even a small variability in halogen content impacts insulation breakdown temperatures and tracking resistance, putting equipment at risk or demanding more frequent replacements. Operators maintain equipment with less downtime and longer cycles when polymer blends draw only on high-purity pentabromo phenol, rather than risky recycled or off-grade lots.

    We have researched flame retardancy both in-house and with public research partners. Phenol, 2,3,4,5,6-pentabromo- displays a highly effective “gas-phase” inhibition effect—bromine radicals from its structure trap the flame’s free radicals, thus quenching combustion far more efficiently than many alternatives. Standard tests in house and in external validation labs confirm these performance advantages in both rigid plastics and more challenging flexible polyurethane foams.

    Another key difference: customer feedback shows less shrinkage and better color stability with proper pentabromophenol incorporation in high-value moldings. No cutting corners on raw material purity—this remains the best insurance against downstream defects such as cracking, warping, or yellowing, even after long-term UV or humidity exposure.

    Applications Shaped by Industry Demands

    The most frequent applications draw from two major markets: plastic flame retardants and specialty coatings. Our customers in the electronics field rely on Phenol, 2,3,4,5,6-pentabromo- for printed circuit board construction, where thermal stability and tracking resistance drive reliability and product life. Unlike less brominated phenols, the pentabromo compound carries through the soldering process unscathed and without generating problematic smoke or char.

    In wire and cable insulation, the compound lets formulators lower total halogen and optimize for both fire performance and mechanical flexibility. Conducting in-house blend studies, our teams saw that the pentabromo structure slotted directly into existing production lines without requiring expensive retooling or adjustment to flame retardancy protocols. The result: faster scale-ups for our clients and fewer headaches with regulatory compliance documentation.

    Specialty coatings—used on textiles, wall coverings, or industrial fabrics—gain from the compound’s stable and predictable activity profile. Repeated lab tests confirmed smooth dispersion, particularly in challenging water-based matrices where other brominated flame retardants tend to aggregate. Clients see fewer defects, avoid coarse spots or lumps, and can trust end-use test results thanks to predictable dispersion and reactivity.

    Pursuing Quality: Lessons Learned Through Experience

    Over years of manufacturing Phenol, 2,3,4,5,6-pentabromo-, we learned the importance of starting with ultra-pure phenol and pharmaceutical-grade bromine sources. Lower-grade raw materials once led to yield drops, clogged downstream filters, and more frequent process interruption. Monitoring every stage—incoming phenol inspection, real-time bromine dosing, post-synthesis isolation—yielded consistently better product and ran our facilities at higher output with reduced waste. This did not just cut costs; it improved process stability and allowed us to optimize batch cycle timing.

    Managing waste streams also became a core concern. Unlike commodity brominators, we engineer scrubbers and solvent recapture systems right into our lines, both supporting sustainability and lowering emissions. Close tracking of mother liquor and spent reaction mass, with precision analysis to limit unburned phenols or partially brominated aromatic debris, grew from an environmental obligation into a profit center—reducing waste, maintaining community goodwill, and ensuring regulatory compliance long before these became industry-wide expectations.

    Our technical team invests in training and internal R&D to target continual improvement. Recent modifications reduced off-odor emissions on drying floors and improved filter life on the crystallization step. By collaborating with customers and introducing digital tracking, we cut reporting errors and finished product variability, ensuring the final product matches specification fully. This reduces delays during client formulation trials, avoids unnecessary returns, and underpins long-term partnership agreements.

    Meeting Modern Expectations: Regulatory and Environmental Trends

    Shifts in flame retardant regulation, notably regarding persistent organic pollutants and legacy chemicals, put extra pressure on suppliers. Compliance now goes well beyond simple purity or bromine content. Our production integrates real-time data monitoring, external traceability certification, and regular third-party audits. This commitment guarantees clients a lower regulatory risk profile and reassures procurement managers concerned with sustainable sourcing and cradle-to-grave safety.

    Phenol, 2,3,4,5,6-pentabromo- presents relatively low bioaccumulation risks compared to older multi-ring brominated aromatics. Our research, alongside university partners, demonstrates rapid environmental breakdown with proper disposal. The design of our plant’s water runoff, solvent handling, and air purification infrastructure took lessons from early mistakes—runoff incidents, emission spikes, and community complaints—so that emissions today remain under regulatory limits even accounting for annual fluctuation in volume and weather.

    Our sustainability strategy prioritizes solvent recycling and circular economy principles. Instead of venting residual solvent or contracting costly off-site incineration, our facilities reclaim and reuse brominated solvent between runs. Over several years, solvent recovery ratios improved from less than 60% to as high as 95%, slashing environmental impact and keeping the operating footprint lower than industry standard. This cost saving folds transparently into our pricing structure, allowing both environmental and market gains.

    User Experience: Application Feedback and Lessons for Future Development

    Long-term users notice both immediate and down-the-line benefits. Flame retardancy outperforms generic blends and remains stable during secondary treatment. Wire and cable manufacturers report easier extrusion, fewer black specs in final cable jackets, and less sensitivity to changes in compounding temperature. Plastics customers, particularly those serving appliances and electronics, find that molded parts show better surface finish and fewer fit failures due to warping or thermal expansion.

    Customers appreciate not just technical support but process transparency. We share critical data from our internal analysis, from batch chromatograms to test melt data, and offer root cause investigation when formulation problems arise. This mutual visibility pots up both immediate fixes—such as identifying a contaminated shipment or adjusting a feed line—and longer-term improvements in how production lines interact. An open exchange accelerates development for future product generations and informs our own R&D priorities.

    Upstream, we engage directly with raw material suppliers to evaluate source purity and audit transport practices. This includes real-time GPS tracking, seal verification, and security audits. Our customers rely not just on the chemistry but on the integrity of the entire supply chain. Incidents—like a broken seal or non-conformance at delivery—trigger immediate investigation. Maintaining trust becomes as important as the chemical itself.

    Innovation: Responding to Evolving User and Market Needs

    The flame retardant sector moves quickly. As health and safety research points out new risks or regulatory bodies announce phaseouts, innovation must respond. Our development chemists constantly scan both published literature and raw field data. Improvements in corrosion-resistant packaging, enhanced dispersion aids for water-based coatings, and lower residual phenol content have all stemmed from direct customer feedback and internal process reviews.

    Process digitalization now enables better predictive maintenance on reactors, automated error-tracking, and end-to-end production analytics. By integrating sensor arrays and automated data collection, batch inconsistencies shrank and process yield rose several percentage points, even under fluctuating demand spikes. Tech upgrades in filtration, solvent recycling, and packaging keep us ahead of minimum requirements. End users, in turn, benefit from tighter specification controls and more responsive support.

    Practical innovation also means anticipating where standards and customer expectations move next. We engage with industry panels, contribute to technical standards development, and feed back both concerns and priorities from the field. Customers who push for greener formulations or enhanced recyclability get direct access to our R&D knowledge, co-developing tailored approaches where off-the-shelf solutions fall short.

    Potential Solutions for Industry-Wide Challenges

    Rising expectations around fire safety, chemical transparency, and environmental performance drive changes across the supply chain. Sourcing trusted, high-purity ingredients forms the baseline, but maintaining this at scale under global pressures means tackling logistics, regulatory, and sourcing risks. Many players cut costs by turning to blended or recycled sources—not always sharing this practice with end-users—and this undermines quality and consistency.

    To counteract these risks, we set up vertical integration from beginning to end. Choosing partners who track and trace from drum fill to delivery, checking samples at every dock transfer, and building judgement calls into every supply chain step builds redundancy and assurance. Internal incentives push for efficiency only where it does not compromise traceability, so speed matches with accountability.

    Waste reduction forms another key priority. Batch processes, historically the norm for brominated phenols, generate waste and inconsistent byproduct profiles. Our production lines shift as far as possible toward continuous flow, with in-line monitoring enabling immediate corrective action. This lowers out-of-spec waste, recycles water and solvents, and limits byproduct formation before it rolls into disposal channels.

    Skill-building fills the last gap. Maintaining highly competent production, R&D, and quality control teams keeps our plant operating smoothly. Investments in ongoing education, hands-on training, and professional development mean rapid adoption as new regulations emerge or clients request new product variants. Real skill cannot be downloaded from a database or bought on the secondary job market; it comes from years of practice and investment.

    Looking Ahead: Strengthening Industry Practices

    The market for high-performance brominated flame retardants will continue to evolve—rising standards and expanding application fields create new challenges for all manufacturers. We realize that only a fully transparent, technically advanced, and accountable production chain can reliably meet customer needs. Focusing on high purity, verified sourcing, state-of-the-art quality control, and environmental stewardship gives better outcomes for both end users and the wider world.

    As a direct manufacturer, we feel changes first—new customer requests for customized grades, regulatory shifts demanding faster adaptation, fluctuating raw material prices, and trends in fire protection science. By maintaining a close loop between production, R&D, application engineering, and customer service, lessons from the field make it straight back to the laboratory and, ultimately, the next production batch. The process evolves, but the principle stays constant: only rigorous, ethical, and technically advanced production delivers long-term trust and performance.

    Phenol, 2,3,4,5,6-pentabromo-, with its combination of thermal stability, process adaptability, and high active bromine content, continues to offer technical and commercial solutions across industry sectors. Our drive to maintain leadership in this specialty chemical field remains rooted in lessons learned from decades at the bench, on the factory floor, and in partnership with end-users worldwide.