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2,3,4-Trichlorophenol

    • Product Name 2,3,4-Trichlorophenol
    • Alias Phenol, 2,3,4-trichloro-
    • Einecs 221-607-4
    • 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

    226451

    Cas Number 15950-66-0
    Molecular Formula C6H3Cl3O
    Molecular Weight 197.45 g/mol
    Appearance White to off-white crystalline solid
    Melting Point 72-75°C
    Boiling Point 255-257°C
    Density 1.621 g/cm³
    Solubility In Water Slightly soluble
    Flash Point 113°C
    Vapor Pressure 0.01 mmHg at 25°C

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

    Packing & Storage
    Packing A 500g amber glass bottle labeled "2,3,4-Trichlorophenol," features hazard symbols, tamper-evident seal, and chemical safety information.
    Shipping 2,3,4-Trichlorophenol should be shipped in tightly sealed, corrosion-resistant containers, protected from moisture, heat, and incompatible substances. It is classified as a hazardous material and must adhere to relevant regulatory guidelines, such as UN2022. Transport requires labeling for toxic substances, and handling should ensure the prevention of leaks or spills.
    Storage 2,3,4-Trichlorophenol should be stored in a tightly closed container in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizers and acids. Keep the chemical away from heat, sparks, and open flames. Use corrosion-resistant containers, and store away from direct sunlight. Clearly label the storage area and ensure spill containment measures are in place.
    Application of 2,3,4-Trichlorophenol

    Applications of 2,3,4-Trichlorophenol in Industrial Manufacturing

    As a direct manufacturer of 2,3,4-Trichlorophenol, we support a range of established industrial sectors that rely on this specialty intermediate for regulated downstream synthesis. The following application segments illustrate real-world, industry-aligned integration from formulation to finished goods.

    1. Crop Protection Active Ingredient Synthesis

    Major agrochemical producers employ 2,3,4-Trichlorophenol as a reactive intermediate during the synthesis of selective herbicides and fungicides. Within chlorinated phenoxy compound manufacture, plant operators charge the material into the condensation or chlorination steps, ensuring targeted reactivity for consistent batch yields. The use of this intermediate is strictly controlled under national pesticide registration and production regulations. End-formulations must conform to residue limits established by destination markets before products reach distributors or contract sprayers.

    Industry compliance standards

    • FAO/WHO pesticide specification (JMPS)
    • European Regulation (EC) No 1107/2009 for plant protection product approval
    • China GB 2763-2021 Maximum Residue Limits for Pesticides in Food
    • ISO 9001:2015 for production quality management

    Typical usage ratio

    • 0.5% – 2.5% w/w as an intermediate, adjusted by desired chlorination level and batch scale

    Downstream process integration

    • Added after initial phenol activation, directly into chlorination or phenoxy condensation reactors under controlled temperature and pH
    • Retained as a bridging intermediate before further derivatization or esterification steps

    Final product types

    • Phenoxy herbicide actives (e.g., MCPB, 2,4-D derivatives)
    • Fungicide active ingredients
    • Weed control formulation concentrates
    • Herbicide technical powders

    2. Pharmaceutical Intermediate for Antiseptic Raw Material

    Pharmaceutical plants utilize 2,3,4-Trichlorophenol as a precursor in the synthesis of specific antiseptic agents regulated by major pharmacopeias. During controlled batch production, the compound undergoes coupling or further substitution based on validated process protocols. Regulatory authorities mandate compliance with residual impurity limits, GMP documentation, and traceability from raw material input to bulk active output, impacting both export and domestic pharmacological registration.

    Industry compliance standards

    • European Pharmacopoeia (Ph. Eur.) monographs on antiseptics
    • United States Pharmacopeia (USP) guidelines
    • ICH Q7A – Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Chinese GMP (2020 Revision)

    Typical usage ratio

    • 1.0% – 4.0% w/w relative to total precursor charge, formulated based on target yield and conversion selectivity

    Downstream process integration

    • Charged into initial coupling or alkylation unit operations for antiseptic precursor synthesis
    • Purified via crystallization or extraction before storage or conversion

    Final product types

    • Bulk antiseptic pharmaceutical ingredients
    • Specialty disinfectant precursors
    • Finished antiseptic solution ingredients
    • Sterile pharmaceutical intermediate supplies

    3. Specialty Dye and Pigment Intermediate Manufacturing

    Colorant producers integrate 2,3,4-Trichlorophenol during diazo coupling, azo, or triarylmethane dye manufacturing. Process engineers dose this intermediate within specific mixing steps to impart desired electron-withdrawing effects, which directly influence pigment stability and fastness properties in the final dye lot. Downstream users expect traceable input records to meet end-customer textile and plastics compliance, particularly in highly regulated brands and export markets.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 restrictions on aromatic amines
    • Oeko-Tex Standard 100 for textile chemicals
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • ISO 14001:2015 for environmental management

    Typical usage ratio

    • 0.3% – 2.0% w/w in dye precursor synthesis, varying with pigment color depth and chromophore requirements

    Downstream process integration

    • Added during initial diazotization or condensation reactions
    • Participates directly in color-forming reactions before purification by filtration or solvent extraction

    Final product types

    • Azo dyes for textile fibers
    • Triarylmethane pigments for plastics and coatings
    • Specialty ink colorants
    • Industrial grade dye blends

    4. Industrial Wood Preservative Synthesis

    Manufacturers of heavy-duty wood treatment chemicals rely on 2,3,4-Trichlorophenol in the formulation of chlorophenol-based preservatives. These substances are produced under strict environmental and occupational controls, following national product approval and hazardous material handling frameworks. Integration of the active takes place at defined process points, where the chemical undergoes etherification or direct blending to achieve the required biocidal profile. Final preservative preparations must support relevant leaching and toxicity thresholds prior to shipment to timber processing sites.

    Industry compliance standards

    • US EPA 40 CFR Part 761 (regulation of polychlorinated compounds)
    • European Biocidal Products Regulation (BPR, Regulation (EU) No 528/2012)
    • Japan JIS K1570 standards for wood preservative chemicals
    • ISO 21887:2020 - Durability of wood and wood-based products—performance criteria for wood preservative products

    Typical usage ratio

    • 1.5% – 8.0% w/w as the chlorinated phenol component in blended biocidal formulations, batch-specific to wood species and climate exposure

    Downstream process integration

    • Injected or blended into pressure treating systems during preservative make-up
    • Included as an ether or salt form prior to impregnation application on lumber

    Final product types

    • Liquid wood preservative concentrates
    • Ready-to-use timber treatment fluids
    • Industrial fence and utility pole treatments
    • Construction wood anti-decay agents

    5. Monomeric Precursor for Engineering Plastics

    Chemical companies engaged in the production of specialty engineering polymers utilize 2,3,4-Trichlorophenol as a monomeric precursor within polycondensation sequences. It enters high-temperature reactor trains, controlled under automated dosing, enabling strict modulation of Tg and molecular weight targets for niche plastic grades. Finished batch validation includes full input-output tracking to meet advanced polymer end-use registration and functional testing demanded by auto, electrical, and mechanical industries.

    Industry compliance standards

    • UL 94 Flammability Standard for plastic materials
    • ISO 9001:2015 for polymer production traceability
    • RoHS Directive (2011/65/EU) substance restrictions for polymers
    • ASTM D256 – Impact resistance of plastics

    Typical usage ratio

    • 2.0% – 5.0% w/w as a functional monomer, calculated relative to total resin formulation

    Downstream process integration

    • Charged into polycondensation reactors with co-monomers and catalysts
    • Polymerized under vacuum and elevated temperature, followed by devolatilization and pelletization

    Final product types

    • Specialty engineering plastic granules
    • Heat-resistant resin masterbatches
    • High-performance molding compounds
    • Electrical insulation grade plastics
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    Certification & Compliance
    More Introduction

    Introducing 2,3,4-Trichlorophenol: Consistent Quality from Direct Production

    What It Takes to Make 2,3,4-Trichlorophenol Right

    Years in chemical manufacturing teach a team the difference a degree of purity makes, both in the plant and out among customers relying on the next shipment. 2,3,4-Trichlorophenol stands out as a trusted compound for those needing precision and reliability in specialty synthesis and downstream applications. Producing this compound means managing a careful chlorination and purification process that’s never left on autopilot. Each batch needs attention to detail, consistent monitoring, and an experienced eye to catch unwanted byproducts early.

    For our standard model, pure 2,3,4-Trichlorophenol arrives as a white to pale cream crystalline powder, typically running with an assay of 99% or above by GC. Moisture, free acids, and impurities like monochlorophenols or tetrachlorophenols require keen removal, not just at filtration but all the way through drying and storage. Staff at each stage keep records and rumors about every drum’s behavior; nothing about quality is left as an afterthought. Heat treatment and packaging both play key roles in limiting residual moisture and preventing yellowing. Leaning on those checks and constant process refinement, we support applications upstream and downstream that cannot afford guesswork.

    Why 2,3,4-Trichlorophenol Matters Beyond the Drum

    A major portion of our output serves as an intermediate for the agrochemical sector, where consistent reactivity turns out to be just as valuable as purity. Small fluctuations bring headaches, especially in multi-step synthesis like creating herbicides or fungicidal actives. Those relying on our product send their engineers and chemists to inspect facilities not out of mistrust, but because volatility in input quality can spiral into process downtime or failed batches on their end. One missed parameter can mean hours of lost production in crop protection manufacture; there, a detailed COA offers little comfort if supply isn’t steady every time.

    Pharmaceutical developers have a tight leash on starting materials. Tight impurity profiles mean less corrective processing. If a batch brings more than trace contaminants, byproducts can pass through to later intermediates, forcing remanufacturing. We saw customers struggle before with excessive trace monochlorophenols; we adapted upstream chlorination to optimize selectivity, rather than just amp up chlorination levels and accept more waste. This approach reduced the number of side reactions, giving our customers fewer problems later and less exposure to regulatory snags stemming from uncontrolled impurities in their registration dossiers.

    Distinct from Similar Chlorophenols

    Anyone using trichlorophenols knows each isomer has its nuances in synthesis and application. Many resins or pesticides call for 2,3,4- as specifically differentiated from 2,4,5- or 2,4,6- trichlorophenol. Confusing one for the other in formulation brings not only functional disruption but potentially regulatory noncompliance. Ours, 2,3,4-, carries a unique substitution pattern lending itself to particular couplings and further derivatization, with different electron distribution on the ring making specific downstream reactions yield better.

    Other trichlorophenols like 2,4,6- or 2,3,6- may share certain chemical properties but exhibit different reactivity in processes like etherification or condensation. With our production data, we’ve seen that methods tuned for one isomer routinely underperform with the others. Operators running older equipment or using less reliable feedstocks might not spot a mislabel until late in production—a costly oversight. We've tailored both laboratory and full-scale analysis to catch and confirm the right isomer profile from the first drum through the last in each campaign. The combination of correct molecular identity and high purity minimizes surprises in the field.

    Stable Supply Backed by Direct Control

    Building trust comes from meeting supply obligations, especially during times of raw material disruption or market volatility. Many contacting us today mention past troubles with traders whose stocks dried up, or whose documentation trailed behind shipments. By keeping manufacturing and QC in one loop, we avoid mismatches between paperwork and what’s on the forklift. During shortages in starting chlorobenzene or price swings in chlorine gas, adjusting run schedules and batch sizes internally means allocation preferences line up with customer usage history, not speculation or guesswork.

    Custom packing and batch sizes help those running pilot plants as well as full-scale facilities. Drum linings, bagging materials, and pallet configurations all come from direct conversations with end users—this avoids clumping or caking if shipments face delays. Direct-from-plant shipments keep up with regulatory changes on transport and labeling, which can vary by region and by intended application. Customers share back their experience; repeat users keep score on batch-to-batch consistency, not sales pitches. That practical exchange offers faster troubleshooting if a downstream process throws up an anomaly.

    Supporting Safe Handling and Environmental Responsibility

    2,3,4-Trichlorophenol’s properties demand careful handling, both for personal safety and regulatory requirements. Staff receive ongoing training on inhalation and dermal exposure, using real scenarios not just classroom theory. Ventilation controls, spill response drills, and multi-tier PPE serve as standard, not exceptions. Wastewater treatment and off-gas scrubbing feature in every batch run; we track compliance metrics at every step. Some prospective buyers ask for analysis on trace dioxin formation—a legitimate concern given the industry’s history and evolving regulations. Process controls get tweaked based on real emission measurements, not just theoretical predictions.

    Waste minimization isn’t just a slogan bolted onto reports. Solvent recovery, catalyst optimization, and effluent reduction receive ongoing investment, not just because it cuts disposal cost, but because it ensures longer-term viability as rules tighten and community scrutiny rises. Our teams cooperate with local authorities on compliance audits and are proactive with incident reporting if any deviation arises. These practices meet industry codes but also stem from understanding: customers, regulators, and communities all remember the companies that cut corners at the expense of their neighbors.

    Supporting Documentation and Traceability from the Source

    Every drum traces back to a batch record with manufacturing parameters logged and double-checked before release. From receipt of raw chlorobenzene to final packed drums, documentation flows through electronic records and backup paper systems, giving customers full traceability on every lot. Reports include GC profiles, moisture content, melting point, and detailed notes about filtration and purification. Retain samples remain in our lab archive for years beyond shipment, helping resolve any questions if performance reports later come back out of spec.

    Shipping teams match labeling and documentation to each customer’s requirements, including language, legal codes, and custom regulatory references. Import authorities want to see that nothing goes undocumented; we adopt these paperwork tasks as standard rather than add-ons or paid extras. Problems with lost paperwork cause delays and fines—standardizing these steps in production streamlines export, reduces holdups, and meets our responsibility beyond just pushing warm bodies onto dock floors.

    Continuous Improvement Driven by Real-World Feedback

    Manufacturing often involves adjusting to feedback from users, rather than sticking rigidly to textbook parameters. Some batches in the past brought slight color change or increased clumping after shipping in humid conditions; direct conversations with users led to process tweaks and a lasting upgrade to drying and packing protocols. No form or questionnaire can quite replace a plant visit or a shared review of sample material. Those using 2,3,4-Trichlorophenol as intermediate in resin, dye, or pharmaceutical production bring different cleanliness, flow, and dissolution demands; our operators work these into the process loop rather than brushing them off as outliers.

    Research labs set especially high standards on trace impurity levels—detection methods keep getting more sensitive, uncovering low-level components missed by older gear. We’ve expanded our internal GC-MS screening and make sure our certification keeps up with global standards. These investments come not from marketing plans, but out of direct requests and real-world troubleshooting exchanges with experienced downstream chemists who know their material and process better than any brochure.

    Comparing Performance: Beyond the Certificate of Analysis

    Technical users value more than purity percentages—they want predictability across different runs and scalable batches. During lab validation trials, some of our customers sent material from several sources for head-to-head comparison. Many noticed batch-to-batch color stability and a clean dissolution profile under standard test methods. Downstream, in multi-step synthesis, they reported lower levels of tarry byproducts and less fouling in reaction vessels, linking those improvements to tight control during our chlorination and phase separation steps.

    Years back, we recognized that a slightly wider boiling range and inconsistent color correlated with operator handovers or late-running shifts. Tighter oversight, reinforced logbooks, and added process alarms led to noticeably fewer off-grade batches. Small resource reallocations upstream spared costly reprocessing or rework on customers’ end, which often results from unpredictable intermediates flooding downstream reactors with trace contaminants. Not every supplier can react to such details with the same agility, especially once equipment ages or mid-market traders cut corners on storage and logistics.

    Supporting Emerging Applications

    Beyond traditional pesticides and pharmaceutical intermediates, emerging uses demand stable, high-purity trichlorophenol. Some newer polymerization and specialty resin systems depend on its unique reactivity pattern and the ability to control batch lot reactivity. Fine-tuning both melting point and impurity profiles can shift process yield and product durability. Research into advanced antioxidants, novel coupling agents, and specialty colorants often stops at the pilot stage if starting material quality falters. Regular updates among R&D professionals, backed by real analysis data from us, enables formulation tweaks, with feedback feeding directly into the next production cycle.

    As regulations on industrial emissions tighten globally, the environmental profile of trichlorophenol intermediates becomes even more crucial. Our routine checks ensure byproduct minimization, providing a margin of safety that both compliance officers and process chemists count on. Keeping solvent levels, halogen content, and residual acidity low not only keeps internal paperwork in order but actively streamlines downstream purification and isolation steps, especially in high-value applications.

    Future-Proofing: Adapting to Market and Regulatory Change

    Anticipating changes in both supply chain and compliance requirements, we invest consistently in raw material evaluation, energy efficiency, and emission controls. Not every year brings the same feedstock quality or logistics outlook. Developing alternate routes in procurement and manufacturing gives resilience—customers relying on consistent 2,3,4-Trichlorophenol supply expect this readiness as a baseline, not a bonus. During global shipping disruptions, we adjust inventory management and storage conditions so shipments keep moving, adapting not only plant runs but even how we load and wrap pallets depending on weather and customs trends.

    Regulatory frameworks are always evolving, and surprise audits or demand for deeper traceability have become the rule rather than the exception. More clients now require documentation of every input, water usage, and emission metric—especially for markets in Europe. We share our own data and mapping tools directly with customers and support their own certification needs for REACH, TSCA, or local equivalents. These direct connections with regulatory and compliance staff on both sides keep shipments clear of holdups and foster a stronger partnership based not just on delivering drums, but on preparing together for industry shifts.

    Built on Direct Experience, Not Speculation

    Operating a chemical plant for a high-purity intermediate means drawing from daily experience, not just reading market reports. Technical details that seem small—like improved cooling during exothermic chlorination or the selection of a new filtration medium—can cut rejection rates and boost yield. Sharing such practices and results doesn’t just build marketing points; it reflects the foundation of long-term trust with every team member and customer. Each improvement arises from hands-on troubleshooting, with lessons documented so the next shift starts ahead, not behind.

    As a result, 2,3,4-Trichlorophenol from our process does more than meet a list of specifications; it functions as a reliable, clean, and predictable foundation for your next set of reactions or formulations. Supporting documentation, quick adaptation to custom requirements, ongoing process improvement, and a hands-on approach to plant operations back every shipment. Anyone aiming to take on new synthesis or scale up their industrial application knows the value of this kind of direct, transparent partnership. That’s how results reflect more than chemistry—they reflect the people and efforts behind every drum, every shipment, every new idea for chemical progress.