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2,3-Dichlorophenol

    • Product Name 2,3-Dichlorophenol
    • Alias 2,3-Dichlorophenol
    • Einecs 220-952-3
    • 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

    598140

    ChemicalName 2,3-Dichlorophenol
    ChemicalFormula C6H4Cl2O
    MolecularWeight 163.00 g/mol
    CASNumber 576-24-9
    Appearance White to off-white crystalline solid
    MeltingPoint 53-55 °C
    BoilingPoint 210 °C
    Density 1.42 g/cm³
    SolubilityInWater 1.6 g/L at 20 °C
    FlashPoint 92 °C
    Odor Phenolic
    pKa 7.1
    VaporPressure 0.03 mmHg at 25 °C
    RefractiveIndex 1.556
    UNNumber 2811

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

    Packing & Storage
    Packing The packaging for 2,3-Dichlorophenol (100g) is a sealed amber glass bottle with a secure screw cap and hazard labeling.
    Shipping 2,3-Dichlorophenol is shipped as a hazardous chemical, typically in tightly sealed, chemical-resistant containers to prevent leaks and contamination. It is classified as a toxic and environmentally hazardous substance; appropriate labeling and documentation are required. Shipping must comply with relevant regulations such as those outlined by the DOT, IMDG, and IATA.
    Storage 2,3-Dichlorophenol should be stored in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizers and bases. Keep container tightly closed and protected from light and moisture. Use corrosion-resistant containers, clearly labeled, and avoid sources of ignition. Ensure proper secondary containment and limit access to authorized personnel only, following all relevant safety regulations and guidelines.
    Application of 2,3-Dichlorophenol

    Applications of 2,3-Dichlorophenol in Industrial Manufacturing

    2,3-Dichlorophenol is an essential intermediate used in several specialized industrial sectors. As the actual producer, we supply this raw material to qualified clients across regulated markets that require strict adherence to safety, technical, and environmental compliance. Below we detail major real-world downstream applications, compliance requirements, processing details, dosage considerations, and finished product types.

    1. Agrochemical Synthesis: Herbicide Intermediate

    2,3-Dichlorophenol serves as a critical building block in the synthesis of specific herbicides, particularly phenoxy acid types. Agrochemical manufacturers incorporate this compound at defined stages for further functionalization via etherification, amidation, or chlorination reactions. Stringent documentation and traceability requirements apply at each stage of agrochemical production.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006 for chemical registration and tracking in the EU
    • Chinese Ministry of Agriculture Pesticide Registration Standards
    • EPA TSCA Inventory compliance for the USA
    • ISO 9001 quality management system for manufacturing processes

    Typical usage ratio

    • 5–18% by weight in initial reaction charges; ratio adjusted for target herbicide molecule yield and purity control

    Downstream process integration

    • Introduced in the initial stage of active ingredient synthesis, typically under controlled temperature and pH, followed by condensation or etherification to build the core herbicidal structure

    Final product types

    • Phenoxy herbicide actives (e.g., 2,4-D derivatives)
    • Intermediate salts and esters for field-application formulations
    • Precursor compounds for selective weed control chemicals

    2. Pharmaceutical Intermediate for Antiseptics

    This dichlorinated phenolic compound is a key precursor in the downstream manufacture of certain topical antiseptics and disinfectant actives. Pharmaceutical plants require it for further reaction to more complex molecules, under closely documented process controls with comprehensive audits for trace impurities and residual solvent profiles.

    Industry compliance standards

    • Ph. Eur. (European Pharmacopoeia) monographs for intermediates
    • cGMP (Current Good Manufacturing Practice) certification as per ICH Q7
    • 21 CFR Part 211 (US FDA) for finished pharmaceutical manufacturing
    • ICH Q3C (Impurities: Guideline for Residual Solvents)

    Typical usage ratio

    • 8–15% molar ratio in coupling reactions; adjusted according to downstream molecule synthesis efficiency and minimization of byproducts

    Downstream process integration

    • Fed into active pharmaceutical ingredient (API) synthesis before ring modification or further halogenation/hydroxylation, followed by multi-stage purification

    Final product types

    • Phenolic antiseptics (e.g., chlorinated phenol derivatives)
    • Intermediate compounds for topical disinfectants
    • Pre-formulated antiseptic liquids and ointments

    3. Dye Manufacturing: Intermediate for Specialty Azo and Sulfur Dyes

    Dye producers use 2,3-Dichlorophenol as a core starting material in the manufacture of select azo and sulfur dyes for applications on textiles and specialty papers. Rigorous batch documentation, emission controls, and wastewater handling must align with national and international environmental directives throughout the dye synthesis process.

    Industry compliance standards

    • Oeko-Tex® Standard 100 for textile dye chemicals
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • EU Directive 2004/42/EC (limitation of solvents in certain paints and varnishes)
    • ISO 14001 Environmental Management System

    Typical usage ratio

    • 10–22% by weight as the primary aromatic block for targeted dye chromophores; the proportion depends on the molecular structure and desired dye strength

    Downstream process integration

    • Charged to the diazotization or coupling reactors, then further processed via sulfonation, condensation, or cyclization to produce colorants with specific shade and stability profiles

    Final product types

    • Water-soluble azo dyes for textile printing
    • Sulfur dyes for cellulose fibers
    • Paper and leather colorants with defined fastness properties

    4. Polymer Additives: Synthesis of Flame Retardant Compounds

    Polymer compounders require 2,3-Dichlorophenol for the custom synthesis of specialized flame retardant additives. The material integrates into downstream production lines to help produce halogenated compounds designed for thermoplastics and engineering polymers, ensuring compliance with international product safety and flammability standards.

    Industry compliance standards

    • UL 94 (Standard for Safety of Flammability of Plastic Materials)
    • RoHS Directive 2011/65/EU (Restriction of Hazardous Substances)
    • REACH Annex XVII restrictions on flame retardant use
    • ISO 11357 polymer testing procedures

    Typical usage ratio

    • 3–12% mass fraction in additive formulation for compounded polymers; dosage tailored to substrate resin type and regulatory flammability limits

    Downstream process integration

    • Used in the synthesis of brominated or chlorinated flame retardant intermediates; introduced prior to compounding or masterbatch blending

    Final product types

    • Polymer granules for cable insulation
    • Plastic housings for consumer electronics
    • Flame-retardant films and coatings for commercial applications
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    Certification & Compliance
    More Introduction

    2,3-Dichlorophenol: A Perspective from the Factory Floor

    Our Experience Bringing 2,3-Dichlorophenol to Industry

    Producing 2,3-Dichlorophenol isn’t simply about chemistry. Each batch draws from years spent refining the reaction between phenol and chlorinating agents, maintaining optimal conditions for selectivity and purity. In our facility, the process runs in jacketed glass-lined reactors, which keep corrosive byproducts from contaminating the outcome. Every shift, technicians sample, test, adjust temperatures, and monitor the chlorination degree. Anyone handling this material soon learns that minor shifts in temperature or feedstock quality can yield uneven substitution patterns, so we keep strict records and carefully select raw materials with traceable origins.

    The product’s clarity, pale color, and purity open doors to demanding applications. We continually benchmark analytical data—purity, water content, iron limits—against major indices and feedback from longtime partners. Over the years, we have settled on a standard that repeatedly meets or exceeds 99.5% purity for our most sought-after model, a level that many fine chemical users demand. Tight control of isomer ratios stands as a point of pride. Impurities in the range of tri-chloro analogues or residual unreacted phenol invite customer complaints in industries where product consistency underpins quality downstream.

    Why Purity Counts Across Applications

    Chlorinated phenols work as chemical intermediates because their halogen atoms unlock further reactions—making them valuable in many fields. Out in the pesticide world, 2,3-Dichlorophenol serves as a key intermediate for both herbicides and insecticides. By keeping side products in check, we help our buyers avoid unwanted reactivity and smile at the regulatory approvals their own customers must satisfy.

    Water treatment specialists approach us for stable, consistent 2,3-Dichlorophenol—an intermediate for certain biocides and disinfectant formulations. These specialists enforce stricter residual impurity monitoring than ever. No one wants mysterious peaks showing up in downstream quality checks, especially with municipal and environmental scrutiny reaching all-time highs. We track every lot to forensic standards, keeping a clear record from raw ingredient to finished shipment, knowing that finished water quality depends on our diligence.

    For dyes, we hear from R&D teams looking for sharp chromatic results and predictable reaction profiles. The faintest shift in the isomer distribution or trace iron leads to color impurities or inconsistent outcomes. Delivering consistent batches translates into less rework and more vibrant dye runs, which is a competitive edge for textile customers demanding ever-brighter colors and improved fastness.

    Variations and How Our 2,3-Dichlorophenol Stands Out

    Some customers compare us to offerings for other dichlorophenol isomers, asking how 2,3-Dichlorophenol fits their needs. The placement of chlorine substituents influences reactivity and toxicity, as evidenced by comparative studies in environmental fate and chemical transformation. Isomers such as 2,4- and 2,6-dichlorophenol find use in similar but not identical application sets. Our 2,3-isomer, with its ortho-ortho substitution, becomes the precursor of choice for certain agricultural and material science fields hungry for specific chemical scaffolds. Supply chain managers regularly base choices on traceability, analytical support, and proven reproducibility instead of generic “dichlorophenol” grades.

    Bulk suppliers sometimes tout “technical grade” dichlorophenol, shipping brownish solutions that puzzle end-users when filtration problems erupt. We took advice from multinational partners, dedicating resources to better recovery and purification protocols—vacuum distillation, dedicated packing, and clean room filling. Our standard model is a crystalline solid, not an oily residue. By holding to strict color and melting point requirements, we chase away some common pitfalls tied to less discriminating manufacturing. That way, research labs and production lines can run with fewer surprises.

    Everyday Production Challenges

    On the factory floor, the march toward higher standards never stops. Everything changes when operating at scale. Phenol feedstock must stay dry, clean, and consistent. Chlorine and chlorinating agents need careful control. The reaction releases heat, so we install redundant chillers to avoid runaway events, investing in monitoring beyond regulatory minimums. Pressure swings and agitation profiles may sound like shop talk, but each one links to customer complaints or compliments.

    Each time a raw materials supplier shifts quality, we retest processes, pull in-house samples, and update documentation. Near the end of each batch’s journey, purification yields are checked against historical records. When a spike in unreacted precursors shows up, we review agitation rates, reagent ratios, and the instruments monitoring reaction endpoints.

    As environmental expectations climb, our facility tackles waste management and emissions head-on. Spent acid byproduct handling, vapor scrubbers at the exhaust stacks, and careful inventory control come from lessons learned early. Mishandled effluent means not only regulatory trouble but also workplace hazards. We have built a culture that expects frontline workers to speak up about small changes—new odors, shifts in color, texture—and trust their judgment on sent samples. Production slows, managers take a hard look at the process, and nothing ships until everything meets specification.

    The Story Behind the Numbers

    Customers sometimes assume quality comes from a checklist, not from the people on the ground. Ticking off “purity over 99.5%” or labeling product as “low iron, low moisture” does not reveal the nights spent debugging hot spots, the fresh gaskets ordered when a seal degrades, or the batch-by-batch documentation reviewed at shift change. Factory teams have argued over trace oxygen content and the smallest drifts in GC signals, working late into the night with maintenance and laboratory staff until the data spell comfort for dispatch.

    Analytics underpin almost every decision. Our quality control embraces GC-MS, HPLC, and titration to make sure what we produce matches what downstream industries are promised. Someone at the bench cross-references every COA. Our ICP equipment checks trace metals to parts per million, minimizing discoloration risks for our formulation partners. After installation of updated Karl Fischer reagents, we saw a marked drop in moisture, especially helpful for users blending into sensitive reactions.

    Feedback feeds innovation. Dyes and pesticide intermediates need tight tolerance on impurity levels, so we retooled filtration and updated supply silos. Some clients wanted drum-sized shipments, others smaller, sealed glass bottles. These requests prompted storage investments and a new drum-washing regimen between different purity lots. All these tweaks build trust over time, moving production from generic to purpose-built.

    What Industrial Partners Really Ask For

    Years of serving technical customers have taught us that what matters most are clarity, predictability, and long-term availability. A buyer may call with questions about regulatory documentation—REACH, TSCA, or a new local environmental requirement. Our documentation staff keeps records tight and accessible, tracking every step from inbound raw material to outbound finished product, with full traceability. We maintain regular contacts with inspection bodies and willingly open our logs for audits. Customers in Asia, Europe, and North America each bring unique standards and paperwork.

    Many want to see not just a COA but the underlying chromatograms or batch testing logs. They ask for case histories—what happens if the storage drums get too warm, if the journey crosses rough ocean segments, or if a small amount is left in storage for too long. In our experience, 2,3-Dichlorophenol keeps its physical stability best in cool, dry conditions, sealed against moisture and sunlight. If left open, it sometimes absorbs ambient moisture and darkens. Some users ask if stainless steel or HDPE drums are better for their lines; we share case studies reflecting real-world storage scenarios.

    We talk to teams about safety. This material emits a sharp phenolic smell, and teams don face protection and nitrile gloves during weighing and transfer. The chemical is classified as hazardous, and we walk buyers through the updates to SDS sheets and suggest labeling reminders to their logistics counterparts. Our own operators follow protocols developed in dialogue with chemical safety bureaus.

    Environmental Responsibility and Compliance

    Sourcing and processing chlorinated phenols draw scrutiny for environmental impact. We put energy into reducing waste, minimizing volatilization, and capturing spent acids for regeneration. Strong relationships with local environmental regulators keep us up to date on evolving emission standards. Upgrading to closed transfer systems and multi-stage scrubbers cut release rates in measurable steps, and we share those reduction benchmarks in annual sustainability reports sent to key buyers and regulatory partners.

    Clients now routinely request documentation on sourcing, including statements ruling out raw materials from protected origin zones or schedules showing shifts to renewable energy. We publish these details with every annual audit cycle. For those with end markets in green chemistry, our process descriptions cover reduction in hazardous byproducts and include plans for continual improvement. Import audits look for more than certificates—they include interviews and on-site checks of hazard mitigation and worker training.

    Waste material—liquid and solid—moves to licensed processors who provide certificates of final safe destruction or beneficial reuse. We track those trails from drum to destination, keeping every receipt for inspection. Sometimes these details seem a world apart from the chemistry, but every ton handled wrong undermines hard-won trust and can erase years of effort in a single incident.

    Improving the Science, Improving the Product

    The pace of improvement in industrial chemistry means nothing stands still. Over the last decade, we have experimented with alternative chlorinating agents, phase-transfer catalysts, and downstream purification steps. Newer catalysts allowed a measurable jump in selectivity, which translates to higher overall yield—and lower energy use per ton shipped. We partner with academic groups exploring greener synthesis, open to pilot projects that promise both environmental gains and sharper product definition.

    End users sometimes visit to see production up close. Bench chemists want to taste the workflow, spot potential contamination points, and talk knobs, valves, and real-world pitfalls of scale-up. These visits run hours longer than expected, but they offer invaluable feedback. Sourcing managers can see that our 2,3-Dichlorophenol line isn’t an off-the-shelf item pulled from an anonymous pile. Every shipment reflects hard decisions, technical arguments, and a clear chain of responsibility.

    Scaling up for custom orders—maybe a slight variation in purity, or a formulation with an added stabilizer—becomes possible because the backbone of operations already supports tight tolerances. We never assume future demands won't change. Some years ago, an upstream user needed a grade with lower residual toluene; after establishing new venting and solvent recovery practices, we delivered batches that met the demanding spec. That shift later delivered cost and safety advantages even for users who didn’t ask.

    Looking Forward, Staying Accountable

    Every day spent producing 2,3-Dichlorophenol brings new lessons and sharper perspective on what buyers value most. Anyone can push out mediocre material with minimal care, but holding a true high-purity standard and keeping downstream complaints at bay earns loyalty few see written on balance sheets. Customers move on if batches ruin their own output, so our reputation depends on not taking shortcuts.

    Regulation, science, and customer expectation all keep raising the bar, and with each audit or round of feedback, our team tweaks the formula, the workflow, or the interface with logistics partners. Land, water, energy—all demand stewardship, as the chemical world watches for cleaner operations and tighter closing of the loop. Being transparent helps.

    We keep learning not just what to make, but how to bring it to market in ways that stand up to scrutiny and meet the increasingly diverse needs of industrial and research partners worldwide. The story of 2,3-Dichlorophenol isn’t one of pure chemistry, but one of teamwork, trust, hands-on attention, and the long path to quality that can be traced from the first drop of phenol to the day a shipment arrives where it’s needed most. Anyone who relies on this product deserves to know that story.