Products

2,4,5-Trichlorophenol

    • Product Name: 2,4,5-Trichlorophenol
    • Alias: Dowicide 2S
    • Einecs: 204-428-0
    • Mininmum Order: 1 g
    • Factroy Site: Yudu County, Ganzhou, Jiangxi, China
    • Price Inquiry: admin@ascent-chem.com
    • Manufacturer: Ascent Petrochem Holdings Co., Limited
    • CONTACT NOW
    Specifications

    HS Code

    303128

    Chemical Name 2,4,5-Trichlorophenol
    Cas Number 95-95-4
    Molecular Formula C6H3Cl3O
    Molecular Weight 197.45 g/mol
    Appearance White to off-white crystalline solid
    Melting Point 69-70 °C
    Boiling Point 246 °C
    Solubility In Water 0.1 g/100 mL at 20 °C
    Density 1.612 g/cm³ at 20 °C
    Vapor Pressure 0.009 mmHg at 25 °C

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

    Packing & Storage
    Packing Brown glass bottle, 500 g, tightly sealed with screw cap, hazard labels, chemical name and concentration printed on white label.
    Shipping 2,4,5-Trichlorophenol should be shipped in tightly sealed, corrosion-resistant containers, clearly labeled with hazard information. It must be transported as a hazardous material according to local, national, and international regulations. Handle with caution, avoiding sources of ignition, and ensure the container is stable and protected from physical damage, moisture, and extreme temperatures.
    Storage 2,4,5-Trichlorophenol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from sources of ignition, acids, and oxidizing agents. Keep it out of direct sunlight and away from moisture. Store in a corrosion-resistant, labeled container, and ensure incompatible materials are not nearby. Proper personal protective equipment should be available for handling.
    Application of 2,4,5-Trichlorophenol

    Applications of 2,4,5-Trichlorophenol in Industrial Manufacturing

    2,4,5-Trichlorophenol is a specialized chlorinated phenol widely utilized as an intermediate in several chemical manufacturing sectors. Its unique chemical properties make it essential in controlled synthesis environments, supporting stringent industrial requirements across pesticide, preservative, chemical, and dye production. Below, we detail specific downstream scenarios where this material serves as a key input, highlighting compliance, formulation, manufacturing integration, and finished goods application.

    1. Agrochemical Synthesis: Herbicide Intermediate Production

    In herbicide manufacturing, our material serves as a critical precursor for synthesizing select phenoxyacetic acid herbicides. Producers integrate it during early-stage condensation reactions under controlled alkaline conditions, supporting the stringent purity requirements of the crop protection industry. Accurate control during weigh-in and reactive steps ensures consistent conversion and traceability for regulated agrochemical outputs.

    Industry compliance standards

    • FAO/WHO Specifications and Evaluations for Agricultural Pesticides
    • EU Regulation (EC) No 1107/2009 on Plant Protection Products
    • US EPA Registration Standards for Pesticide Active Ingredients
    • ISO 9001:2015 QMS for Agrochemical Production

    Typical usage ratio

    • Reaction input range: 55–63% by mole in the condensation stage, adjusted based on target herbicide (e.g., silvex synthesis) and impurity control strategies

    Downstream process integration

    • Introduced during pre-neutralization and condensation with chloroacetic acid under reactor temperature control, preceding solvent extraction and downstream neutralization

    Final product types

    • Phenoxyacetic acid herbicides (e.g., 2,4,5-T, silvex)
    • Custom herbicide formulations for cereal crops
    • Technical-grade active substances for bulk pesticide manufacturers

    2. Wood Preservation Formulations

    This material functions as a key organic preservative input for protection of industrial timber and wooden utility poles. Used for its efficacy against decay fungi and insects, it is typically formulated with carrier solvents for deep penetration treatments. Strict adherence to toxicological thresholds is essential throughout the blending and application process to comply with occupational and environmental limits during industrial impregnation operations.

    Industry compliance standards

    • EN 351-1: Durability of Wood and Service Life of Treated Timber
    • US EPA Wood Preservative Pesticide Registration Standards (FIFRA)
    • ASTM D4444: Performance of Chlorinated Phenols for Wood Protection
    • OHSAS 18001: Occupational Health Management in Wood Processing

    Typical usage ratio

    • Applied at 0.8–2.5% by mass in preservation concentrates, with adjustments made for wood density, moisture content, and regional leaching requirements

    Downstream process integration

    • Blended into preservative emulsions and introduced during vacuum-pressure impregnation cycles, followed by evaporative drying of treated wood

    Final product types

    • Industrial wood preservatives (concentrate and ready-to-use)
    • Pressure-treated railway ties and utility poles
    • Construction-grade anti-fungal timber

    3. Synthesis of Specialized Dyes and Pigments

    In dye and pigment synthesis workflows, our material serves as a reactive chlorinated phenol base for coupling with azo and triphenylmethane intermediates. Technical grade input here supports the manufacture of stable, high tinctorial strength colorants for plastics and textile effects, where thermal degradation and photostability requirements drive precise reaction control. The feedstock is introduced at defined stoichiometric ratios during amination or chlorination coupling cycles to achieve targeted chromophore intensities.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 for Industrial Dyes
    • ISO 9001 in Pigment and Dye Manufacturing QMS
    • ZDHC Manufacturing Restricted Substances List (MRSL) for Textile Applications
    • ETAD Code of Practice for Dye Production

    Typical usage ratio

    • Integrated at 1.5–7% by mass, chosen based on chromophore structure and color intensity targets set by end-use standards

    Downstream process integration

    • Charged into reaction vessels during primary diazotization or direct halogenation steps, prior to isolation and crystallization of pigment base

    Final product types

    • Chlorinated azo pigments
    • Specialty textile dyes
    • Polymer-compatible organic colorants

    4. Manufacture of Chemical Intermediates for Industrial Synthesis

    As a highly reactive precursor, our product enters the process train for various fine chemical intermediates including specialty resins and pharmaceuticals. Controlled addition during etherification or esterification supports the generation of target molecules used for further organic transformation. Its batch-to-batch consistency and trace impurity management are tightly monitored in line with cGMP and industrial quality protocols throughout the multi-stage synthesis process.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients (where relevant for downstream pharma intermediates)
    • ISO 14001 Environmental Management for Chemical Synthesis
    • GMP Certified Production for Fine Chemicals
    • OECD Guidelines for the Testing of Chemicals (Safety Assessment)

    Typical usage ratio

    • Utilized at 3–10% by mol ratio per batch depending on the transformation target and conversion efficiency in the synthetic route

    Downstream process integration

    • Fed as a base substrate during nucleophilic substitution, etherification, or ring closure reactions before purification and downstream finishing steps

    Final product types

    • Halogenated phenolic intermediates for chemical synthesis
    • Monomers for engineering resins
    • Non-pharmaceutical specialty intermediates

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    Certification & Compliance
    More Introduction

    2,4,5-Trichlorophenol: Experience from a Manufacturer’s Perspective

    A Closer Look at 2,4,5-Trichlorophenol

    Field work has taught us that no two chemicals behave exactly alike, and this truth holds up every day on our production line. Among chlorophenols, 2,4,5-Trichlorophenol grabs particular attention for anyone working with biocidal agents, intermediates for dyes, or synthesis of specialty chemicals. In the plant, batches of this product cycle through reactors with a distinct chlorinated odor that experienced hands recognize immediately. 2,4,5-Trichlorophenol—sometimes written as 2,4,5-TCP by those of us who work with it—anchors several downstream applications where purity, stability, and predictable behavior matter.

    In our process, we manufacture 2,4,5-Trichlorophenol with a focus on color, moisture content, and consistent melting point. Keeping control over these metrics isn’t just a matter of pride. End applications, whether in neutral-active herbicide blends, wood preservatives, or dye intermediates, demand rigorous quality. Typically, finished 2,4,5-Trichlorophenol leaves our site as solid, off-white to pale yellow crystals. Factory spectrometers and regular titration checks assure us and our partners on purity—most shipments exceed 98% by weight. We avoid carrying unnecessary water content, thanks to extra drying cycles before packaging. Direct oversight of each production run allows us to adjust precisely, ensuring every drum shipped to our customers holds product that meets their needs without surprises.

    Comparing 2,4,5-Trichlorophenol to Other Chlorophenols

    Years spent handling chlorophenols build a practical sense for their differences—not everything boils down to a chemical equation. The 2,4,5-Trichlorophenol molecule brings three chlorine atoms locked onto specific positions on the phenol ring. This placement affects not only efficacy as an antimicrobial or fungicide, but also the range of chemical reactions available. While 2,4,6-Trichlorophenol shares a similar formula, switch the chlorines to the 2, 4, and 6 spots and the material responds differently in both chemical synthesis and end use. That's clear on our plant’s QC logs and in discussions with purchasing chemists looking for the right fit.

    Versus 4-Chlorophenol or 2,4-Dichlorophenol, the extra chlorine on 2,4,5-Trichlorophenol raises both the melting point and stability. This has practical impact—the higher substitution restricts volatility, limits losses during mixing or storage, and bumps up resistance in biocidal systems that deal with rugged field conditions. Experienced operators recognize these handling traits, and customers come back for 2,4,5-Trichlorophenol when lesser-chlorinated congeners don't stay stable enough in the end product.

    Manufacturing Considerations in Plant

    Daily operational decisions affect every batch of 2,4,5-Trichlorophenol. We know from firsthand practice that managing chlorination reactions depends as much on temperature profiles, mixing rates, and reagent control as on textbook theory. Raw phenol quality sets the baseline, but it’s tight monitoring of reactant ratios and catalytic conditions that deliver a consistent product. Any operator who’s ever watched a reaction vessel run too hot understands the risks—unwanted byproducts, off-colors, or dips in purity. We head off these issues with direct intervention, not by chance.

    Environmental factors shape what we can achieve, and handling effluent or off-gassing at the chlorination stage demands constant vigilance. Plant staff carry out weekly maintenance on scrubbing systems and reactors. From worker safety to production reliability, improvements in ventilation and enclosure designs come from learning what works—and what doesn’t—over years of hands-on production. Direct access to the equipment and in-house engineering makes troubleshooting part of our daily rhythm.

    A real advantage comes from our in-house testing, which closes the loop between production and application. Early detection of trace contaminants saves entire batches. Full-spectrum gas chromatography and infrared analysis show more than just numbers—they protect the reputation we’ve built by delivering material that specialists rely on for sensitive syntheses. Unlike third-party traders, we carry every risk and earn every bit of trust ourselves.

    Use Cases Shaped by End-User Demands

    Demand for 2,4,5-Trichlorophenol keeps steady where precise, repeatable results matter. Downstream industries come to us for intermediates used in agrochemical synthesis. Many formulations rely on this specific chlorophenol because its three-point chlorination supports tough biocidal blends that won’t degrade quickly under UV or microbial exposure. Over decades, field data from product users builds our understanding—we know their formulations outlast those built on related chemicals.

    It’s not all about kill rates and shelf life. Certain specialty dyes and pigments use 2,4,5-Trichlorophenol as a direct precursor. Color quality depends in part on the starting intermediates; even minor off-spec batches mean batch rejections or costly re-runs for these users. Electronics and specialty resins sometimes specify this molecule, too. Only consistent chlorination allows their technical teams to predict polymerization behavior on the production line.

    The utility of our product shows up in how customers use it in metalworking fluid additives, disinfectants, and sometimes wood treatment compounds. For treated timber exposed to harsh outdoor conditions, 2,4,5-Trichlorophenol extends the material lifetime by discouraging mold and fungal damage long after other agents break down. We get this information not from sales brochures, but from direct feedback by construction managers and product formulators who assess treated material after years in service.

    We’ve also seen regulatory attention focus on certain classes of chlorinated organic compounds. From our vantage point inside the plant, those changes mean more than just paperwork—they redefine which applications remain feasible. Global compliance teams send us direct requests for clarification and batch traceability. Our advantage, as direct manufacturers, comes from open plant records, clear QC documents, and the confidence that every drum carries certified history back to our facility.

    Real-World Challenges and Evolving Solutions

    After decades of hands-on production and problem solving, we view potential issues as part of everyday work. Chlorophenol manufacture brings unmistakable environmental and worker safety demands. Operators train year-round to keep exposures low and containment measures sharp, and we reinforce physical safeguards with real data from area monitors and health screenings. Routine checks and direct plant audits build trust within our teams and show our commitment to safe operation.

    Waste management drives our agenda, too. Each year, process upgrades reduce both the amount and toxicity of effluent. We make use of advanced, closed-loop systems that reduce speed of discharge and allow more of the byproduct material to be safely treated or recycled. Our track record shows continuous cutbacks in organic load sent to external treatment, and ongoing investment in modern catalytic destruction for byproduct destruction.

    Supplier relationships play a major role. Every batch of feedstock phenol and chlorine comes from vetted partners. As plant managers, we do our own due diligence, audit their facilities, and, when needed, develop alternatives. Staying agile lets us respond quickly if external pressures—like supply chain interruptions or feedstock volatility—threaten to disrupt operations. Experience tells us that trust on both sides of the supplier-manufacturer line keeps production dependable and customers happy.

    Transparency and Customer Commitment

    We open our doors to regular third-party inspection, not because we have to, but because our customers demand certainty in sourcing. Our team welcomes audits, direct product sampling, and questions. Those visits have improved our systems: participating in discussions with field technicians and regulatory inspectors has driven stepwise improvements in everything from labeling protocols to batch segregation practices. Taking this feedback to heart, we’ve adopted QR-coded batch tracking, expanded storage monitoring, and increased reporting frequency for our major clients. Such steps aren’t just about ticking regulatory boxes, but about making our outputs more valuable to everyone who relies on documented, reliable supply.

    Keeping our word means responding directly, not through intermediaries. When a shipment needs rush certification or a user in the field encounters process challenges, technical staff from our operations team take the call and follow the issue through. Our product managers can speak with authority on specific applications because they know the actual production history—not just the post-production records. End-users appreciate that commitment, often sharing their findings with formulation tweaks or long-term storage results, letting us close the feedback loop and adjust our manufacturing strategies.

    Innovation Through Feedback from Field and Lab

    One of the strengths of our operation comes from direct involvement in both field application and lab development. Customer-run performance tests get incorporated back into our batch analysis protocols, and we constantly refine our process settings in response to new demands. Over the last five years, improvements in crystallization control and final purity tracking have come directly from recurring customer needs. For dye manufacturers, this means less batch-to-batch color shift; for agricultural formulators, longer shelf life and fewer field failures.

    We’re also seeing steady requests for smaller, pilot-scale lots as niche chemical synthesis picks up around the globe. Our model batch sizes range from several kilograms to containers capable of holding several metric tons. Direct control of scheduling and dedicated process lines helps us shift between full-scale campaign runs and smaller, custom lots without months-long lead times. That flexibility becomes crucial as specialty chemical markets evolve and end-users chase more narrowly defined niche applications. We gain valuable insight from these custom runs, feeding improvements back to every aspect of our operation.

    Understanding the "Why": Value from a Manufacturer’s Viewpoint

    Direct experience with 2,4,5-Trichlorophenol across multiple decades gives us more than just technical know-how. Our team learns by seeing results firsthand—whether a farmer’s field test, dye house trial run, or independent third-party analysis. We’ve seen the drag created by inconsistent supply chains, or the cost of minor quality slips over the long haul. Each problem reported by end-users circles back to our own production procedures.

    For many, 2,4,5-Trichlorophenol sets the benchmark for certain classes of chemical transformation. That’s not marketing talk, but a reflection of repeatable, measurable effectiveness communicated by study and supported by thousands of executed shipments. Every bag, drum, and tote we send carries a quiet guarantee: the knowledge that people further down the chain count on our diligence. Where other products have failed—due to accidental mixing of isomers, unexpected contamination, or moisture uptake during transit—our operation’s direct chain of control keeps accountability clear.

    Embracing Uncertainty Through Proactive Quality and Research

    Regulatory changes keep everyone nimble. Here, compliance transforms from a one-time hurdle to a continuous, living process. Our technical and regulatory teams read updates daily, evaluate plant practices, and, where needed, modify analytical routines. The most recent shifts in environmental limits for chlorinated aromatics have spurred improved tracing and isolation measures in plant. This includes the addition of real-time monitoring for dioxin content and routine certification for all export lots.

    Research partners and clients sometimes request samples for novel synthesis work or restoration projects. Our ability to supply reference-grade product has brought new collaborations that add value far beyond a simple raw material exchange. Our experience and openness to experimental feedback allow deeper understanding of both the strengths and shortcomings of 2,4,5-Trichlorophenol in innovative fields.

    Trust in Direct Manufacturing: What Sets Us Apart

    Long-term partnerships form the backbone of sustainable chemical supply. We find that direct manufacturing fosters a level of trust and transparency rarely matched by those further removed from the process. Our decades of plant history, local workforce investment, and adoption of responsible safety and monitoring practices set clear expectations—for ourselves and for our customers. We see the value in every phone call, shipment check, and audit visit.

    Our difference shows not in flashy claims but in everyday dependability: the right product, at the right specification, delivered on time by people able to stand by those promises in person. That is what keeps 2,4,5-Trichlorophenol at the center of our operation. Every improvement, new feature, or enhancement traces back to a question or challenge brought by real people running real plants, not third-party requests or generic market trends.

    Looking Forward: Meeting New Challenges

    We plan for change by investing in both equipment and our people. New waste minimization processes, tighter emissions monitoring, and expanded use of digital QC records help us secure 2,4,5-Trichlorophenol’s role for existing customers and emerging users alike. Knowledge grows with every batch, every client conversation, and every feedback session.

    Wherever the next challenge comes from—be it a new regulatory environment, an emerging application, or sudden market demand for higher-purity lots—we move forward by drawing directly from our hands-on experience and close customer interaction. In a world of increasing complexity and accountability, those details set apart direct manufacturing in 2,4,5-Trichlorophenol supply from the rest of the pack.

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