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2,6-Dichlorophenol

    • Product Name 2,6-Dichlorophenol
    • Alias 2,6-Dichlorohydroxybenzene
    • Einecs 204-428-0
    • 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

    173187

    name 2,6-Dichlorophenol
    chemical_formula C6H4Cl2O
    molecular_weight 163.00 g/mol
    cas_number 87-65-0
    appearance White to light tan crystalline solid
    melting_point 68-70 °C
    boiling_point 213 °C
    density 1.44 g/cm3
    solubility_in_water Slightly soluble
    flash_point 120 °C
    pubchem_cid 6999
    iupac_name 2,6-dichlorophenol
    odor Phenolic
    stability Stable under normal conditions
    synonyms 2,6-DCP; Dichlorophenol

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

    Packing & Storage
    Packing Brown glass bottle containing 100 grams of 2,6-Dichlorophenol, tightly sealed with a screw cap and labeled with hazard warnings.
    Shipping 2,6-Dichlorophenol is shipped in tightly sealed, chemical-resistant containers to prevent leaks or contamination. Containers are clearly labeled with hazard information in compliance with regulatory guidelines. During transport, it is handled as a hazardous material, requiring appropriate protective measures and adherence to safety regulations for toxic and environmentally hazardous substances.
    Storage 2,6-Dichlorophenol should be stored in a tightly closed container, in a cool, dry, and well-ventilated area away from incompatible substances such as strong oxidizing agents and bases. Store away from heat, sparks, and open flames. Avoid exposure to moisture. The storage area should be equipped with appropriate spill containment and clearly labeled for hazardous chemicals.
    Application of 2,6-Dichlorophenol

    Applications of 2,6-Dichlorophenol in Industrial Manufacturing

    As a direct manufacturer dedicated to supply chain traceability and consistent specification control, we support advanced production with 2,6-dichlorophenol across a range of specialized sectors. Below, we present application-specific insights reflecting industrial process requirements and regulatory compliance for this raw material.

    1. Agrochemical Synthesis: Herbicide Intermediate

    2,6-Dichlorophenol functions as a critical intermediate in the manufacture of selective phenoxy herbicides and regulated plant protection chemicals. Formulators utilize it to control the chlorination stage in synthesis, ensuring consistent halogenation patterns vital for active ingredient performance and environmental profile. Downstream processes must tightly manage contaminant limitations and batch reproducibility to meet both product quality and agricultural safety standards.

    Industry compliance standards

    • ISO 9001:2015 (Quality Management Systems for chemical intermediates)
    • EU Regulation (EC) No 1107/2009 for plant protection products
    • China GB 2763-2021 (Maximum Residue Limits for Pesticides)
    • REACH registration for use in agrochemicals

    Typical usage ratio

    • 10–35% by mass in the halogenation stage; adjusted based on desired active ingredient purity and batch process volume

    Downstream process integration

    • Introduced post-chlorination to control phenoxy acid formation
    • Used in continuous stirred-tank reactors with automated dosing modules
    • Pre-cleared for trace metals and organochlorine residues prior to blending
    • Intermediate purified via phase separation and vacuum stripping after reaction

    Final product types

    • 2,4-D derivatives
    • MCPA and MCPB herbicides
    • Phenoxyacetic acid-based weed control agents
    • Finished bulk intermediates for formulation plants

    2. Pharmaceutical Manufacturing: Antiseptic Component

    In the pharmaceutical sector, 2,6-dichlorophenol serves as a vital aromatic building block in the synthesis of certain antiseptic agents and precursor compounds. Stringent batch traceability and process validation are mandatory, as regulators require documented impurity profiles, validated cleaning protocols, and consistent API yields at the final product stage. Formulations often depend upon accurate input ratio control to minimize by-product formation and downstream purification loads.

    Industry compliance standards

    • ICH Q7 (GMP for APIs)
    • USP, EP, and JP monograph alignment where applicable
    • FDA 21 CFR Part 211 (Finished Pharmaceuticals)
    • EU GMP Volume 4 Annex 8 (Intermediate control)

    Typical usage ratio

    • 5–18% by molar input, optimized during upstream synthesis steps to manage target API concentration and minimize side reactions

    Downstream process integration

    • Charged cold into reactor pre-antiseptic ring formation
    • Subjected to catalytic coupling or Friedel–Crafts alkylation
    • Batch QC for residual organic halides
    • Final intermediate filtered and passed to downstream crystallization

    Final product types

    • Chlorinated phenolic antiseptics for topical formulations
    • Bacteriostat intermediates for hospital-use formulations
    • Disinfectant agent APIs
    • Bulk intermediates supplied to finished dose manufacturers

    3. Polymer Additives: Flame Retardant Precursors

    Our industrial partners in the polymer sector rely on 2,6-dichlorophenol as a functional monomer for synthesizing halogenated flame retardant additives. These applications require consistent molecular purity during the bromination or chloromethylation steps to ensure stable polymer integration. The chemical must remain free of unwanted isomers or trace aldehydes to comply with flame retardant performance and finished goods emission certifications.

    Industry compliance standards

    • RoHS 2011/65/EU for restricted substances in electrical/electronic equipment
    • UL 94 (Flammability Testing of Plastics)
    • GB/T 24001 (ISO 14001) for environmental management
    • EN 71-3 (Toy Safety for Chemical Content)

    Typical usage ratio

    • 7–25% by weight in masterbatch; formulation varies based on polymer resin type and flammability class requirements

    Downstream process integration

    • Blended pre-polymerization or during compounding stage
    • Dosed into high-shear mixers or twin-screw extruders
    • QC screening for halide distribution and thermogravimetric properties
    • Formulation finalized prior to pelletization or molding

    Final product types

    • Flame retardant plastics and resins
    • Wire and cable jacketing compounds
    • ABS fire-resistant masterbatches
    • Construction polymer panels

    4. Industrial Dyes and Pigments: Azo Dye Intermediate

    Producers of specialty dyes use 2,6-dichlorophenol as a diazotization substrate and coupling component for azo dye production. Controlled input levels are essential for managing hue consistency and lightfastness, particularly in textile and printing applications that demand batch uniformity. Every shipment undergoes specific lot analysis to certify color index compliance and avoid off-shade incidents during end-user processing.

    Industry compliance standards

    • OEKO-TEX Standard 100 (Textile Input Chemicals)
    • ISO 105-X12 (Color Fastness to Rubbing)
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals List)
    • REACH Annex XVII restriction for azo dye intermediates

    Typical usage ratio

    • 12–26% by weight during diazotization, ratio controlled by pigment target load and process batch size

    Downstream process integration

    • Acidified in cold-condition reactors with metered amines
    • Subjected to controlled coupling with aromatic amines
    • Washed to remove non-absorbed byproducts
    • Intermediate then blended with dispersing agents before product isolation

    Final product types

    • Monoazo and disazo dyes
    • High-performance textile pigments
    • Plastisol ink colorants
    • Printing ink concentrates for industrial markets

    5. Wood Preservation Chemicals: Fungicide Formulations

    2,6-Dichlorophenol enters the wood protection sector as a synthesis component for modern fungicidal additives found in construction timber treatments. Processing accuracy ensures safe handling characteristics and residual content within regulatory frameworks. End product formulations rely on consistent toxicology profiles and controlled leaching characteristics validated through accelerated aging tests before commercial approval.

    Industry compliance standards

    • EN 599-1:2009 (Efficacy assessment of wood preservatives)
    • BPR (EU Biocidal Products Regulation EU 528/2012)
    • EPA FIFRA regulations (US)
    • AWPA P23-22 for wood preservative active ingredients

    Typical usage ratio

    • 6–18% by formulation mass, adjusted for timber density and required leach-resistance grade

    Downstream process integration

    • Dissolved in solvent or water-based carrier
    • Applied via pressure-impregnation systems or vacuum tanks
    • QC for active content retention post-treatment
    • Formulated with dispersing co-agents for environmental leachability control

    Final product types

    • Pressure-treated construction timber
    • Fungicidal wood coatings
    • Outdoor decking preservatives
    • Industrial timber protective solutions

    6. Specialty Rubber Chemicals: Vulcanization Accelerator Precursor

    Within specialty rubber manufacturing, 2,6-dichlorophenol supplies critical structure in accelerator synthesis for sulfur vulcanization systems. Correct addition rates directly influence cure kinetics and mechanical property profile of cured goods. Downstream users specify input requirements based on product hardness, resilience, and heat aging benchmarks. Batch lot uniformity ensures predictability during scale-up and commercial production stages.

    Industry compliance standards

    • ASTM D2000 (Standard Classification System for Rubber Products)
    • ISO 9001:2015 (Rubber Processing QA)
    • IATF 16949 for automotive rubber parts
    • RoHS applicable for elastomer components in EEE industries

    Typical usage ratio

    • 3–14% depending on accelerator type and target cross-link density; batch tested and tailored for each finished part type

    Downstream process integration

    • Added during accelerator pre-mix stage
    • Homogenized in high-speed internal mixers or open mills
    • Subjected to pre-curing time analysis for production scheduling
    • Evaluated for residual phenolic content before final compounding

    Final product types

    • Automotive rubber bushings and seals
    • Heat-resistant conveyor belts
    • General-purpose technical molded rubber
    • Elastomeric components for industrial assembly
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    Certification & Compliance
    More Introduction

    2,6-Dichlorophenol: Crafting Consistency Through Experience

    Our Manufacturing Perspective on 2,6-Dichlorophenol

    2,6-Dichlorophenol presents a molecular formula of C6H4Cl2O, with a distinct structure marked by chlorine atoms attached at the 2 and 6 positions of the phenolic ring. From a manufacturing standpoint, this arrangement isn’t just a detail from a chemistry textbook; it directly influences reactivity, thermal stability, and the suitability for a broad class of downstream syntheses. In our process, we begin with high-purity feedstocks to suppress the likelihood of impurities, since even trace levels of unreacted chlorinated phenols or over-chlorination can affect application results. Maintaining tight control over chlorination ensures minimal polychlorinated by-products, a detail that sets apart high-grade material from the typical lots moving through distribution channels.

    Choosing Our Grade: What Lab and Industry Users Notice

    We’ve listened to bench chemists as well as procurement teams, because anyone who puts 2,6-Dichlorophenol into a formulation can spot differences in melting point and color. The white crystalline solid, with a melting point in the range of 68–69°C when made precisely, makes dissolution and blending far less troublesome. Off-color or off-spec batches, which stem from poor reaction quenching or incomplete phase separations, lead to yellowing or persistent clumps — damaging both lab yields and production line reliability. Our staff have spent years honing solvent selection during crystallization and adjusting filtration rates based on empirical observations from kilo to ton-scale, so consistency matters as much to us as to end users.

    Where 2,6-Dichlorophenol Succeeds in Applications

    Among all the phenolic compounds we’ve manufactured, this molecule stands out in its role as a key intermediate in pharmaceuticals, biocides, dyes, and photographic chemicals. Its dual chlorine atoms are not just cosmetic: they modify both polarity and electrophilicity of the aromatic ring, enabling selectivity in coupling or further substitutions that other chlorophenols often fail to match. In practice, this means that 2,6-Dichlorophenol acts as a gatekeeper for building more complex structures, like certain herbicides or antiseptics, by readying the ring system for reliable addition of further groups.

    For the dye sector, consistent reactivity translates to rich, reproducible colorants, minimizing setbacks in color matching or purity, especially when small changes in the synthetic input can ripple throughout the subsequent reactions. The same logic applies to specialty monomers or stabilizers derived from this core. Numerous customers return to this intermediate for precisely this reliability, emphasizing the staying power of the process improvements our teams have stitched together, batch after batch.

    How 2,6-Dichlorophenol Differs in the Real World

    As a producer, we’ve compared 2,6-Dichlorophenol head-to-head against related compounds, like 2,4-dichlorophenol or its monochloro analogs, every time someone suggests an alternative for cost or process reasons. The ortho arrangement of chlorines in 2,6-Dichlorophenol changes not only the way electrophilic substitution reactions proceed, but also the by-products that can form under harsh conditions, making it more suitable for selective coupling or for reactions requiring high positional specificity.

    Substitution patterns matter on the lab scale, but supply chain reliability brings its own set of issues. We’ve seen that poorly controlled production often leaves excessive amounts of 2,4,6-trichlorophenol or unreacted phenol, especially in routes that compromise on reagent quality or do not allow for time-intensive washing and purification. Reduced impurities not only improve yield in our customers’ reactors, but also spare them the drama of excessive waste disposal or runaway side reactions. From a regulatory perspective, limiting trace levels of polychlorinated by-products isn’t just about compliance — it directly impacts long-term safety and downstream process compatibility.

    Real Challenges and Meeting Specifications

    Over the years, we’ve confronted challenges ranging from batch-to-batch color drift, to odorous traces of raw phenol, and even fluctuations in crystallinity. Every customer inquiry on off-odors, or unexpected color in final use products, traces back to these process details. To combat these, we invested in staged crystallization and additional filtration steps — not just to hit specifications, but to reach the level of “trouble-free” operation we expect for our own in-house uses.

    Less experienced suppliers often see only the minimum purity spec for 2,6-Dichlorophenol and stop there. We take every lot through gas chromatography and melting point analysis beyond what’s listed on most certifications: this isn’t about gold-plating, but about avoiding the costs and headaches from downstream rework, by nipping issues before they ever leave the source.

    Some clients need hyper-low water or ash content, especially when the downstream reactions are highly sensitive, such as in the synthesis of fine chemicals or catalysts. We’ve adapted our drying logistics, using nitrogen-purged dryers and sealed packaging. Once we recognized the role micro-traces of metal contaminants played in certain polymer preparations, we switched to inert polymer handling aids and began running regular checks for heavy metal residues. These steps emerged from direct requests and feedback from end-users, and our internal experience with complex organic syntheses.

    Why Direct Sourcing from the Manufacturer Matters

    From the outside, 2,6-Dichlorophenol can appear as just another commodity chemical. Our perspective, shaped by decades of synthesis, storage, and handling, leads us to a different conclusion. For example, in institutions where trace impurity levels alter research results, low-grade chlorophenols fail silently by skewing bioactivity or reaction yields, and the root cause often gets missed. Drawing on laboratory experience within our technical team, we continually update our process monitoring, routinely logging and reviewing deviations, even when output stats point to a good batch. This hands-on tracking has prevented slip-ups that only become visible weeks later, long after the product has left the warehouse.

    As regulatory limits tighten globally, every step we take to contain by-products or prevent off-grade material from entering the market serves not only our bottom line but also our customers’ compliance posture. Direct communication between users and manufacturer speeds up troubleshooting, whether for odd spectral signatures or strange residue formation in end-applications. Without layers of middlemen, customers gain direct technical responses instead of waiting for paperwork to shuffle back and forth.

    Supporting Evidence and Industry Insights

    Reference material from international standards, combined with regular feedback loops from the analytical chemistry team, confirm that variations in isomeric purity cause measurable differences in both toxicity and downstream process compatibility. Literature values point out that the acute aquatic toxicity of 2,6-Dichlorophenol differs from, say, 2,4-dichlorophenol, reflecting sensitivities in environmental assessments and workplace safety sheets. Customers planning to introduce this molecule into pharmaceuticals, crop protection agents, or complex resins should keep these subtle differences in mind when reviewing safety documentation or conducting their own compatibility trials.

    One of the overlooked advantages of working directly with us lies in process customization. We’ve supported projects needing extra-pure material for scale-up, where even minute off-odors can foul biotechnology fermentors or advanced polymerizations. Over the years, we established small-batch test facilities precisely because our own experience showed that large-scale processes can mask problems that only appear during formulation. Partnering with our clients, we’ve honed special removal steps for phenol and chloroform traces, resulting in smoother performance both in lab-scale reactions and industrial runs.

    Keeping Safety Front and Center

    Daily handling of chlorinated organics creates an ingrained respect for safety protocols. Unlike casual stockists or arm’s-length traders, our staff operate under strict process ventilation controls, leak monitoring, and periodic health screening. We’ve learned that procedural discipline, such as double-gloving or continuous spill detection, doesn’t just protect our team — it reduces contamination. This attitude carries over into our recommendations for transport and storage: 2,6-Dichlorophenol needs moisture- and light-resistant packaging under cool ambient conditions, not only to preserve the product’s white hue but to guard against slow hydrolysis or formation of tarry residues over time.

    Batch histories remind us how unexpected temperature excursions or even seal failures during shipping can degrade a once-excellent product. For this reason, we favor high-integrity containers, integrate desiccant packs, and encourage clients to complete their own inbound quality verifications, offering guidance based on our own logistics lessons. We see the downstream consequences of poor packaging or old stock in the form of inconsistent results or wastage. These practical lessons underpin everything from how we wrap drums to how we suggest opening and sampling protocols on-site.

    Improving the Supply Chain Through Transparency

    Many buyers request certifications or supply chain audits, prompted by renewed scrutiny from environmental and occupational health agencies. Rather than approaching these as mere paperwork, we open our sites to inspection, confident in our routine control measures and real-world results. This transparency runs from raw material intake to batch finalization, boosted by an open-door policy for all customers who wish to understand our methods or ask about previous audit results.

    Based on our history supplying both niche research markets and large industrial partners, we see that consistent openness shortens the path to approval and repeat orders. Users aiming to qualify 2,6-Dichlorophenol for critical or high-value uses rely on records of repeatable performance, not just one-off certifications. By sharing detailed, real production experience, we enable buyers to build a compliance file that supports their own operations, all the way from initial pilot batches to annual volume contracts.

    Rethinking the Value Equation

    Plenty of customers look solely at per-kilo cost comparisons. Our experience demonstrates value runs deeper, measured by fewer recalls, higher successful product yields, and less downtime caused by variable inputs. Downtime due to impurity-driven failures, or field complaints stemming from inconsistent lots, costs far more than the minor savings from a less rigorous supplier. The greatest endorsement comes when users return, reporting that a change to another source not only altered their end-application results but required requalification, often setting back projects by weeks or months. Risk management stands at the core of our long-term partnerships.

    Future-Proofing With Process Innovation

    Our production facility continually adapts, whether through solvent recycling, waste minimization, or integration of advanced monitoring systems. Several years back, we shifted key process steps from open-batch to closed-loop handling, reducing emissions and achieving tighter impurity tolerances. Lessons from failed scale-ups in the early days now inform every SOP update — whether troubleshooting unexpected side products or fine-tuning thermal controls during reaction. These process upgrades reflect an understanding drawn from both plant operator expertise and repeated laboratory-scale stress testing.

    Innovation also emerges from collaboration. New synthetic routes demand that we refine crystallization protocols for even narrower impurity profiles, building on cumulative experience, not abstract theorizing. In cases where researchers pursue advanced or unconventional end-uses for 2,6-Dichlorophenol — such as novel functional polymers or experimental biomedical agents — our teams engage directly to adapt the purification and packaging approach to match their evolving needs.

    Concluding Our Approach in Context

    Decades spent synthesizing, storing, and shipping 2,6-Dichlorophenol have taught us practical, granular lessons about quality, consistency, and safety at every stage. Tight process control, rigorous real-time analysis, and constant user feedback underpin every batch we produce. This perspective positions us not simply as another supplier but as an experienced partner for those who require more than a basic commodity. Whether needed for a complex synthetic intermediate or a mainline industrial biocide, the nuances of our material speak for themselves—visible in hands-on performance, not just on paper.

    As regulations become more demanding and technical requirements more specific, choosing a manufacturer who understands the chemistry and the realities of industrial supply proves critical. Our experience supports users in addressing both current challenges and future opportunities, ensuring 2,6-Dichlorophenol fits the intended use precisely, consistently, and safely. The journey from raw materials to finished product brings challenges at every step — we know because we’ve walked that path, batch after batch, in real factories with real consequences.