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Sodium Pentachlorophenoxide

    • Product Name Sodium Pentachlorophenoxide
    • Alias pentachlorophenol-sodium
    • Einecs 259-437-6
    • 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

    706585

    Chemical Name Sodium Pentachlorophenoxide
    Chemical Formula C6Cl5ONa
    Molar Mass 288.32 g/mol
    Appearance White to off-white crystalline solid
    Solubility In Water Soluble
    Melting Point Decomposes before melting
    Cas Number 131-52-2
    Odor Phenolic or chlorinated odor
    Stability Stable under recommended storage conditions
    Density 1.8 g/cm³ (approximate)
    Uses Intermediate in chemical synthesis, biocide precursor

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

    Packing & Storage
    Packing Sodium Pentachlorophenoxide is packaged in a 500g high-density polyethylene (HDPE) bottle with a tightly sealed, chemical-resistant screw cap.
    Shipping Sodium Pentachlorophenoxide should be shipped as a hazardous material according to applicable regulations. It must be securely packed in tightly sealed, chemically resistant containers and kept away from moisture, heat, and incompatible substances. Appropriate hazard labels and documentation are required. Personnel handling the shipment must use suitable protective equipment and follow all safety guidelines.
    Storage Sodium Pentachlorophenoxide should be stored in a tightly closed container, in a cool, dry, and well-ventilated area, away from incompatible substances such as acids and strong oxidizers. Protect it from moisture and direct sunlight. Ensure containers are clearly labeled and kept away from heat sources. Storage areas should be equipped with spill control and proper containment measures to prevent environmental contamination.
    Application of Sodium Pentachlorophenoxide

    Applications of Sodium Pentachlorophenoxide in Industrial Manufacturing

    As a dedicated producer of sodium pentachlorophenoxide, we provide material for tightly regulated industrial sectors requiring stringent quality standards and consistency. The following application scenarios detail its integration into critical downstream manufacturing, outlining compliance, formulation, processing, and end product specifics observed in real industrial use.

    1. Wood Preservation and Anti-Fungal Treatment for Utility Poles and Railway Ties

    Sodium pentachlorophenoxide is widely used in the pressure treatment of timber assets exposed to long-term outdoor environments, particularly utility poles and railway ties. Its chemical properties offer resistance against fungal growth, decay, and insect infestation. Industry adoption remains focused on applications where high-performance and longevity are critical, with integration into vacuum-pressure impregnation lines. Adherence to environmental and worker safety regulations is paramount, dictating strict process control during formulation and application.

    Industry compliance standards

    • AWPA P8 & P27 (American Wood Protection Association)
    • EN 351-1 (European Standards – Durability of wood and wood-based products)
    • US EPA Reregistration Eligibility Document for Pentachlorophenol Wood Preservatives
    • OSHA 29 CFR 1910.1029 (Occupational Exposure to Pentachlorophenol)

    Typical usage ratio

    • 0.5%–2.0% by weight, adjusted according to wood species, target service class, and exposure risk analysis

    Downstream process integration

    • Diluted in aqueous or oil-based formulations, introduced prior to vacuum and pressure impregnation cycles; precise dosage monitored through inline chemical feed systems to ensure uniform distribution within wood cellular structure

    Final product types

    • Utility transmission poles (softwood and hardwood species)
    • Railway sleepers/ties
    • Bridge timbers and marine pilings

    2. Industrial Leather Tanning and Preservation

    Specialty leather tanneries incorporate sodium pentachlorophenoxide as a fungistatic agent in the pretanning and wet-finishing stages, neutralizing mold growth and preventing discoloration. Use is prevalent in large-scale cowhide and goatskin finishing lines. Processing facilities maintain compliance with both chemical safety regulation and strict effluent discharge limits due to persistent organic profile of pentachlorophenolic derivatives.

    Industry compliance standards

    • REACH Annex XVII (Restriction on pentachlorophenol and derivatives in leather goods)
    • ISO 17072-2 (Determination of pentachlorophenol in leather – Chromatographic method)
    • ZLS German Leather Goods Regulations
    • EU Ecolabel criteria for leather maintenance

    Typical usage ratio

    • 0.1%–0.3% based on wet salted hide weight; dosage regulated to minimize residual content in finished leather according to targeted product category (e.g. automotive, footwear, industrial use)

    Downstream process integration

    • Added post-liming and pre-tanning or during wetting back, dissolved in process water; loading controlled via in-process sampling and validated by post-treatment chromatographic testing for residuals

    Final product types

    • Automotive and aviation seat leathers
    • Heavy-duty industrial work gloves
    • Upholstery and technical leather products

    3. Biocide Intermediate for Agricultural Antimicrobial Formulations

    Chemical synthesis facilities use sodium pentachlorophenoxide as a key intermediate for manufacturing pentachlorophenol-based biocidal concentrates that target fungal and bacterial infestations in pre- and post-harvest agricultural environments. The downstream conversion process demands high purity and traceable supply chain to comply with agricultural chemical registration protocols.

    Industry compliance standards

    • FAO/WHO Specification for Pentachlorophenol (FAO/WHO, 2018)
    • US EPA 40 CFR Part 180 (Tolerances and exemptions for pesticide chemical residues in food)
    • China NY/T 414 – Safety use of biocides in agricultural production

    Typical usage ratio

    • Converted at 60%–80% of total active ingredient in final concentrate, with adjustment based on crop type and application method, subject to maximum residue limits (MRLs) of final field-applied formulation

    Downstream process integration

    • Dissolved into aqueous or emulsified concentrate during batch synthesis; undergoes further neutralization, dilution, and stabilization steps; final biocide tested for traceability and content uniformity before onward packaging

    Final product types

    • Field-applied seed disinfectants
    • Post-harvest bin and fruit storage anti-mold treatments
    • Greenhouse and crop substrate disinfection sprays

    4. Preservation of Industrial Starch and Adhesive Binders

    Manufacturers of starch and cellulose-based binders employ sodium pentachlorophenoxide to suppress microbial spoilage in water-based formulations stored prior to end-user application. Its use ensures consistent viscosity and adhesive performance, especially in climates prone to mold outgrowth. Processing sites require close monitoring for occupational exposure and wastewater discharge containing persistent substances.

    Industry compliance standards

    • FDA 21 CFR 175.105 (Indirect food additives: adhesives and components of coatings, US)
    • EU Regulation (EC) No 1935/2004 – Materials and articles intended to come into contact with food
    • ISO 9001:2015 Quality Management for adhesive manufacturers
    • China GB 9685 – Hygienic standards for use of additives in food containers and packaging materials

    Typical usage ratio

    • 0.03%–0.15% by total wet mass of the binder formulation; precise use tailored to the shelf-life requirement and microbial load determined by batch QC microbial plate count

    Downstream process integration

    • Mixed after primary binder preparation/cooking and cooled to below 60°C; dosing automated in storage tank mixing; final adhesive undergoes microbial purity testing prior to filling and dispatch

    Final product types

    • Bottle labeling adhesives
    • Corrugated board manufacturing starch binders
    • Wallpaper paste and envelope glue products

    5. Mold Inhibitor for Industrial Textile Sizing

    Textile mills producing cotton and blended yarns for technical fabrics use sodium pentachlorophenoxide in sizing baths to restrict mold and bacterial spoilage during storage and shipment phases. Regulatory compliance demands accurate documentation of active content and full traceability through the production cycle. The active is selectively dosed based on yarn protocol and targeted shelf stability for export markets.

    Industry compliance standards

    • Oeko-Tex Standard 100 (Excluded Substances, Class IV Manufacturing)
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals, Manufacturing Restricted Substances List)
    • EN 14084 (European standard for pesticides in textiles)

    Typical usage ratio

    • 0.05%–0.10% based on dry weight of textile sizing chemical; variances monitored for batch-to-batch fiber uptake and local humidity during processing

    Downstream process integration

    • Added directly to starch/acrylic sizing mix before application on warp sizing machines; chemical stability validated by QC in finished warps and pre-weaving tests

    Final product types

    • Industrial canvas and tarpaulins
    • Workwear and technical yarns
    • Cotton fire hose and conveyor belt fabrics
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    Certification & Compliance
    More Introduction

    Sodium Pentachlorophenoxide: Reliable Chemistry Rooted in Real-World Manufacturing

    A Closer Look at Sodium Pentachlorophenoxide

    Year after year, orders come in from customers who face demanding reactions and stringent specifications. In our facility, Sodium Pentachlorophenoxide often takes up a unique shelf among other phenolic derivatives. As producers and chemists, our involvement doesn’t end at synthesis. We track lot performance, analyze feedback from seasoned industry partners, and keep in step with every variable that shows up during downstream processing.

    Some might see Sodium Pentachlorophenoxide as just another chlorinated phenol salt, but experience tells us otherwise. Each batch starts with highly refined pentachlorophenol. Consistent material entry points, controlled reaction—our reputation rides on these standards. End-users in specialty agrochemicals, polymers, and biocidal chemistry ask for our product by model: the particle characteristics and moisture levels we maintain can’t be replaced by shortcut routes. Impurities creep in when processes cut corners, so we commit to live data review during each reaction cycle, not just paperwork sign-off.

    Specifications Matter—But So Does Consistency

    Every specification sheet tells only half of the story. Our Sodium Pentachlorophenoxide, available in both technical grade and higher-purity selections, finds itself in settings that require tight control over elemental and organic impurities. Many industrial customers request details about residual pentachlorophenol, sodium content, and trace metals. In our own operation, we keep heavy metal contamination low, confirmed by repeated ICP analysis. Where some suppliers rely on batch blending to even out a less controlled reaction, our method takes the opposite path: small-batch synthesis, tracked from start to finish, then kept segregated until QA gives consent for release.

    Direct feedback has shaped our quality procedures. Some early users flagged dusting and clumping as pain points, prompting us to overhaul our drying and sieving approaches. Today, our standard model stays free-flowing even under humid storage. We’ve learned that even variances in particle size change the dissolution rate and impact downstream formulation, especially in pesticide applications or resin modification. Many resellers gloss over nuances like this; we scrutinize customer complaints and physically inspect our end product against the incoming specifications they send us.

    End-Use in Agrochemicals and Wood Protection

    Our team knows that Sodium Pentachlorophenoxide’s reputation in the field owes much to its performance as a precursor in herbicidal and antifungal active ingredients. Years back, a customer looking for wood preservation agents needed a consistent supply for months of continuous impregnation. They weren’t interested in vague assurances; they wanted a batch run that could match color, salt index, and solubility within a tight margin. That year, demand in the local construction sector surged, and we scaled output without compromising those points. Analysis showed our product outperformed several imports on solution clarity and pH stability, crucial when integrating with copper compounds or borate additives.

    Some customers come back, year after year, because they measure actual protection on their production-run timbers. We have seen that when Sodium Pentachlorophenoxide falls outside established purity or salt content, case hardening increases, and downstream resin-wood interactions become unpredictable. As manufacturers, we fix such issues by going back to the reactor floor, not just sending out a new COA. Above all, integrating honest feedback from application engineers helps us prevent recurring raw material failures.

    Polymers, Dyes, and Beyond: The Versatility Engineered into Real Production

    Sodium Pentachlorophenoxide often acts as a nucleophile or coupling agent in polymer synthesis and dye intermediates. Keeping water and residual solvent under strict control improves performance in coloring processes—something textile and leather chemical customers emphasize during audits. Many polymer houses prefer our technical grade for backbone modification because stability at high temperatures saves run time during extrusion.

    The minor tweaks we implement for specialty end-users—such as low-ash versions or controlled trace halide levels—don’t happen by accident. Over time, our lab staff recorded how formulation outcomes shifted with seemingly trivial differences between suppliers. One pronounced example: a dye producer working at the edge of solubility limits with an overseas feedstock encountered batch collapse because of hidden cationic contamination. We traced and remedied the issue by intensifying filtration and switching to inert-atmosphere packaging. Decades on, we still field inquiries about what separates our Sodium Pentachlorophenoxide from another producer’s. The answer, as always, runs deeper than the datasheet.

    What Sets Our Process Apart

    Long before regulatory and sustainability language dominated procurement reviews, our company began publishing third-party test results and in-house validation data on active ingredient composition and residual byproducts. This commitment grew from real-world problems, not checklists. We source precursor pentachlorophenol through traceable supply chains, verifying each delivery for both identity and point-of-origin.

    Our factory-embedded sensors catch out-of-spec product before it leaves the line, because we’d rather lose a single drum in the warehouse than ship an entire order that might cause quality recalls. Recycled process solvents reduce waste and streamline recovery without spinning off unknown byproduct residues, a claim supported by third-party environmental audits.

    We noticed early that Sodium Pentachlorophenoxide from different regions could vary widely, especially in terms of odor, off-white coloration, and hygroscopicity. Instead of brushing off customer complaints about “yellowish powder” or “sticky cake,” we drove multiple trials on drying curves and storage container materials. The result: the product leaves our plant looking clean, pours easily, and stores dependably for slated inventory cycles. Sourcing sodium from local chemical plants, we avoid “foreign ions” slipping into the lattice—a subtle but consequential gain for end-users who can’t afford batch-to-batch deviation in finished goods.

    Health, Safety, and Handling: Practical Measures Learned on the Ground

    Those handling Sodium Pentachlorophenoxide in our plant don’t just read about safe handling—every line worker, supervisor, and lab tech participates in ongoing monitoring. Respiratory protection isn’t optional for weighing or mixing. Spills get intercepted immediately because chronic exposure risk matters on both the factory floor and among our end-users. We post the results of our air and effluent monitoring on our site, not because regulation compels us, but because we’ve seen workers feel more secure knowing their environment undergoes real oversight.

    For customers downstream, we provide storage recommendations informed by our actual shipping and warehouse experience. Stainless steel or HDPE bins resist both corrosion and clumping. Over the years, we saw a spike in claims tracing back to poor warehouse conditions—temperature and humidity matter, not just for shelf life, but for safety and process control. Following up on customer complaints, we adapted our packaging to include humidity controls and reinforced liners. If an end-user faces an unexpected reaction profile, our technical staff runs bench-scale replication—no automated script, just plain lab work to troubleshoot together.

    Comparisons With Other Phenoxides

    Sodium Pentachlorophenoxide occupies a distinct place among alkali metal phenoxides due to its degree of chlorination and resulting reactivity profile. Chemically stripped of ambiguity, its electron-withdrawing groups lend it particular strength compared to monochlorinated or non-chlorinated analogs. Customers who have experimented with lower-chlorine phenoxides for cost savings typically report less potent antimicrobial or biocidal performance. Our QC lab cross-tests samples from other suppliers and even broader structural analogs, running comparative efficacy tests against fungal and bacterial test plates. Sodium Pentachlorophenoxide continues to show a superior knockdown rate in these controlled trials, backing up what our customers see in practice.

    Users sometimes ask whether they could substitute potassium or calcium pentachlorophenoxide for sodium. Over repeated campaigns, real-world side-by-side tests highlight three differences. First, the sodium salt offers better water solubility, improving downstream formulation. Second, potassium counterparts increase hygroscopicity, leading to caking and processing headaches during humid months. Calcium salts, by contrast, dissolve poorly and often introduce unexpected precipitates during mixing—a costly lesson we learned by observing dozens of customer trials. Our production team still keeps tabs on comparative performance trends, aiming always for hard evidence over marketing claims.

    Adjustments in Reaction Pathways: Practical Impacts on End Use

    Some manufacturers stick with older, higher-temperature synthesis routes. Our own experience proved the value of running below boiling point, using staged addition of sodium or its derivatives. This curbs side reaction byproducts, especially sulfur or halogenated residues. We regularly analyze finished material by gas chromatograph and ion chromatography—real numbers, not guesswork. If a customer has trouble with unexpected color development, our tech support pulls batch reports, cross-referencing residue content and possible trace contaminants. Small tweaks in raw material concentration or reaction sequence can bring solubility and color shift into target range.

    Practical chemistry doesn’t always fit the textbook mold. Over several seasons, our best technical mentors worked hands-on with process engineers to adjust sodium introduction, agitation rates, and solvent charge. What matters isn’t theoretical yield but consistency, reproducibility, and adaptability to shifting customer demand. We document every process change, record actual outcomes, and share those improvements. That openness keeps older customers loyal and new users informed about where our product outpaces standard commodity alternatives.

    Regulatory Realities

    Our engagement with industrial-scale Sodium Pentachlorophenoxide tracks emerging regulatory realities in every key market. We keep certified product documentation, including third-party toxicology review reports and handling risk assessment summaries. Governments keep tightening controls on chlorinated phenols, and our compliance team audits every delivery for restricted byproducts. Extra steps in our analytics help customers satisfy both in-country registration and international shipping needs. We could tell stories about overseas orders held up for ambiguous labeling or missing paperwork—it only takes one missed shipment to convince a supply chain lead that traceability and documentation must back every sale.

    Making sense of shifting global standards, we run in-house labs and work with accredited testing partners to supply full analytical breakdowns. Purchasers value the reassurance that every drum’s content aligns precisely with regulatory filings and end-use declarations. In our experience, thorough documentation saves projects—before the auditors come knocking. Our customers come to us because regulatory authorities know our batch records don’t just say “compliant.” They substantiate real, traceable numbers at every step.

    Environmental Impact: Hard Choices, Real Solutions

    As customers and regulators look more closely at the environmental legacy of chlorinated aromatics, our company doubled down on containment and recovery steps. Our wastewater management system captures effluent, neutralizes active components, and submits everything to third-party audit. We recycle sodium residuals and recover solvent for reprocessing instead of discarding them. These measures go beyond legal compliance—they shape our daily practice because they arose from actual scrutiny by both inspectors and customers. One spill, a decade ago, changed our approach—we invested in real, on-site containment and remediation. Since then, no release has left our plant untreated.

    Some competitors pump out large volumes without regard for byproduct minimization. Our plant runs smaller campaigns, tested with pilot lots, scaling up only with validated protocols. Neighbors and local authorities alike have come to trust our straightforward reporting—every incident gets logged, every improvement acknowledged. Modern chemical manufacturing can no longer rely on downstream dilution; we keep our focus on active management from tank to tank and drum to drum.

    Supporting Users in Large- and Small-Scale Operations

    We respond to a wide variety of users, from multinational suppliers to domestic upstarts scaling up wood preservation lines. Adjusting pack sizes, supporting trial runs, and offering direct technical troubleshooting show the practical difference a manufacturer can make. Our staff picks up the phone for questions about viscosity or filtration, as often for new batch requirements as for multi-year supply contracts.

    Years in the market taught us the value of transparency. If a new application fails during scale-up, we review process logs and run parallel lab syntheses to help pinpoint the culprit—whether it’s a raw material variance or an unexpected environmental input. Our plant’s open-door policy for customer audits isn’t a marketing line; it reflects how we handle real issues with peers, not just distant buyers.

    Why Experienced Manufacturers Make a Difference

    The debate over sourcing from real manufacturers versus traders isn’t abstract. Our supply chain low points—lost containers, shipping delays, supply shocks—highlighted time and again that direct, factory-controlled batches eliminate confusion and wasted resources. Traders may offer discount pricing and short-term supply, but flagging batches or half-full drums introduce cost far beyond the price per kilo. Repeat customers and long-term partners value the predictability that comes from a single, established process and years of joint problem-solving.

    We share lessons directly, whether positive or hard-earned, during routine audits or emergency calls. Manufacturers see the details up close—pipe fouling, batch drift, supplier quality fluctuation—while distant resellers only report what they’ve been told. Proven experience in raw material selection, process repetition, and persistent testing teaches more about what works and what fails than any external observer ever can.

    Conclusion: More Than a Commodity

    Sodium Pentachlorophenoxide, as produced in our facility, stands as more than just a line on a reagent catalog. Real-world chemical manufacturing runs on attention to detail, integrity in supply, responsiveness to operational challenges, and investment in continuous improvement. We anchor every batch and every shipment in experience, customer partnership, and data-backed validation. Users count on us not for the commodity itself, but for the trust built through years of direct manufacturing. That shows up not only in specifications, but every step from raw input to application.