Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

Tetrachlorocatechol

    • Product Name Tetrachlorocatechol
    • Alias 3,4,5,6-Tetrachloro-1,2-benzenediol
    • Einecs 220-529-2
    • 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

    694741

    Chemical Name Tetrachlorocatechol
    Molecular Formula C6Cl4(OH)2
    Molar Mass 247.87 g/mol
    Appearance Solid, usually off-white to light tan
    Melting Point 180-183 °C
    Boiling Point Decomposes before boiling
    Solubility In Water Slightly soluble
    Density 2.01 g/cm³
    Cas Number 2407-89-8
    Structure Benzene ring with two hydroxyl and four chlorine substituents
    Synonyms 3,4,5,6-Tetrachloro-1,2-benzenediol
    Pka Approximately 6.4 (for one hydroxyl group)
    Storage Conditions Store at room temperature, protected from light and moisture
    Hazard Statements Harmful if swallowed, causes skin and eye irritation
    Applications Intermediate in organic synthesis, chemical research

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

    Packing & Storage
    Packing Tetrachlorocatechol is supplied in a 25g amber glass bottle, tightly sealed with a screw cap, and labeled with safety warnings.
    Shipping Tetrachlorocatechol should be shipped in tightly sealed, chemically resistant containers, kept away from moisture, heat, and incompatible materials. It is classified as hazardous; handle and transport according to local, national, and international regulations, including labeling. Shipping must ensure proper temperature control and secondary containment to prevent leaks or spills during transit.
    Storage Tetrachlorocatechol should be stored in a tightly sealed container in a cool, dry, and well-ventilated area, away from sources of moisture and incompatible materials such as strong oxidizers. Protect from light and direct sunlight. Ensure the storage area is equipped with suitable containment to prevent environmental contamination and labeled appropriately to prevent accidental misuse or exposure.
    Application of Tetrachlorocatechol

    Applications of Tetrachlorocatechol in Industrial Manufacturing

    Tetrachlorocatechol serves as a key fine chemical intermediate utilized in specialized manufacturing sectors where its unique reactivity enables the synthesis of advanced materials. Below, we outline genuine downstream industry scenarios where Tetrachlorocatechol is actively integrated into industrial-scale processes, along with compliance requirements, formulated use ratios, integration stages, and end-product categories.

    1. Agrochemical Active Ingredient Synthesis (Herbicide Manufacturing)

    Agrochemical producers use Tetrachlorocatechol as an essential building block in the synthesis of certain selective herbicide active ingredients, particularly for phenoxycarboxylic acid and triazole-based products. Its high halogen content provides the required reactivity profile during etherification and substitution steps. Proper quality control ensures the final actives comply with regulatory residue limits and crop safety guidelines internationally.

    Industry compliance standards

    • FAO/WHO Specification for Plant Protection Products
    • EU Regulation (EC) No 1107/2009
    • US EPA Pesticide Registration Process (40 CFR Part 158)
    • China GB/T GB 20810-2006 for agrochemical intermediates

    Typical usage ratio

    • Usage typically ranges from 0.8% to 3.5% by weight of the herbicide intermediate batch, depending on targeted active molecule and yield optimization.

    Downstream process integration

    • Incorporated after primary chlorination of catechol, during etherification or condensation, frequently as a limiting reagent for precise molecular substitution.

    Final product types

    • Technical-grade triazole herbicides
    • Phenoxy herbicide actives (e.g., MCPA derivatives)
    • Pre-emergent and post-emergent weed control solutions

    2. Dye and Pigment Intermediate Production (Specialty Colorants)

    Manufacturers of specialty dyes and pigments employ Tetrachlorocatechol as a precursor when engineering chlorinated colorant structures for textile, plastic, and ink applications. Its chlorine substituents enhance lightfastness and solvent resistance in final pigments, and precise dosing affects both hue and dye bath compatibility. Compliance with safety and environmental standards is mandatory throughout the production flow.

    Industry compliance standards

    • REACH Regulation (EC) No 1907/2006
    • Oeko-Tex Standard 100 for textile production auxiliaries
    • ZDHC MRSL (Manufacturing Restricted Substances List)
    • ISO 9001:2015 for pigment quality control

    Typical usage ratio

    • Formulation input between 1.2% and 4.0% by weight, tuning for target chroma and pigment structure; ratios shift with each pigment synthesis line.

    Downstream process integration

    • Added to the nucleation or coupling stage of diazo dye synthesis, or during pigment condensation to achieve targeted chlorinated aromatic rings.

    Final product types

    • Chlorinated azo pigments for plastics
    • High-durability textile dyes
    • Industrial inkjet printing inks
    • Specialty colorants for coatings

    3. Specialty Resin and Polymer Additive Manufacturing

    Polysiloxane, epoxy resin, and other polymer factories use Tetrachlorocatechol for making functional additives and modifiers where halogenated phenolic groups enhance flame retardance and chemical resistance. The material introduces controlled halogen load for maximizing self-extinguishing properties while maintaining processability, and integration occurs under validated batch protocols in accordance with finished resin applications.

    Industry compliance standards

    • UL 94 Flammability Standard
    • RoHS Directive 2011/65/EU
    • IEC 60695 Series (Fire hazard testing for electrical products)
    • ISO 14001 for environmental management in resin plants

    Typical usage ratio

    • Integrated from 0.5% up to 2.2% by mass, with precise dosage determined by fire resistance specification and polymer type.

    Downstream process integration

    • Blended in at prepolymer mixing or masterbatch preparation, often followed by curing under controlled temperature to fix halogen in crosslinked structure.

    Final product types

    • Flame-retardant epoxy laminates
    • Halogen-enriched polysiloxane coatings
    • Specialty polymer compounds for cable sheathing
    • Adhesive resins for electronics

    4. Pharmaceutical Intermediate and Active Synthesis

    API manufacturers utilize Tetrachlorocatechol as an intermediate during multi-step syntheses of certain halogenated drugs, primarily for its role in introducing stable chloro-substituted phenyl rings into complex molecules. High purity grades and traceability batches are strictly monitored through GMP-compliant operations, and grades differ based on downstream pharmacopoeial quality requirements.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guide
    • USP/NF Monographs for halogenated intermediates
    • EDQM TSE Guideline
    • 21 CFR Part 211 for US pharmaceutical production

    Typical usage ratio

    • Ratios typically between 0.6% and 1.9% by weight relative to final molecule, adjusted for desired yield and impurity profile.

    Downstream process integration

    • Introduced at the halogenation or condensation reaction stage, either batch or semi-continuous, followed by purification and isolation for subsequent active assembly.

    Final product types

    • Chlorinated phenol pharmaceutical intermediates
    • Chemical precursors to antifungal or antibacterial medicines
    • API components for veterinary drugs

    5. Advanced Chemical Detection Reagents and Chromogenic Systems

    Producers in analytical chemistry and diagnostics use Tetrachlorocatechol as a core reactant for manufacturing highly sensitive halogenated detection reagents. These reagents facilitate specific colorimetric or chromogenic reactions with trace ions or redox systems in environmental monitoring, owing to predictable redox potentials and response in complex matrices. Controlled backgrounds and interference minimization are critical in formulation.

    Industry compliance standards

    • ISO 17025 for testing and calibration laboratories
    • EPA Standard Methods for the Examination of Water and Wastewater
    • ISO 13485 for medical device reagent kits
    • REACH Annex XIV for reagent-grade chemical usage

    Typical usage ratio

    • Dosed from 0.25% up to 1.0% by batch weight, modified per target analyte sensitivity and detection method.

    Downstream process integration

    • Blended during reagent concentrate stage or dried directly onto substrate supports prior to final packaging for analytical test kits.

    Final product types

    • Ion-selective colorimetric test strips
    • Enzymatic reaction indicators
    • Field water quality analysis kits
    • Redox potentiometric reagents
    Free Quote

    Competitive Tetrachlorocatechol prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Tetrachlorocatechol: Chemical Properties and Practical Value

    Understanding Tetrachlorocatechol from the Manufacturer’s Point of View

    Producing Tetrachlorocatechol starts with sourcing raw materials of the purest grade. The origin and integrity of these materials shape how reproducible the synthesis becomes and determine the final product's purity profile. Each batch demands vigilance—controlling process parameters tightly at every stage. In the plant, we maintain a strict workflow, monitoring chlorination and subsequent handling to prevent side reactions. Chlorinated catechols, and Tetrachlorocatechol in particular, attract interest for demanding applications in specialty chemistry, electronics, and certain high-performance coatings. The appeal comes from its unique behavior: four chlorines attached at precise positions, turning a simple catechol ring into a versatile chemical building block.

    Model and Specification: Quality Assurance through Controlled Synthesis

    Customers often ask about the differences in batches and what makes one model or grade distinct from another. From the production line, we classify Tetrachlorocatechol by HPLC-assessed purity, residual moisture, and total chlorine content. The most requested model carries a minimum purity of 98%. Analyses done on every lot capture these details, lending both reliability and traceability to subsequent applications. Our product—manufactured to high chromatographic purity—presents itself as an off-white to pale-beige crystalline solid. It resists clumping under proper storage, thanks to careful drying and packing downstream of the reactor.

    Unlike mixtures full of byproducts, our Tetrachlorocatechol reaches downstream users without the baggage of excess mono-, di-, or trichloro-phenolic contaminants. Analytical data—a full UV-Vis spectrum, melting point determination, and high-resolution MS—back each shipment so researchers and production engineers know exactly what they are working with. We see a sharp line where quality comes from the final distillation or recrystallization: no process shortcuts, just persistent process control.

    Practical Usages: Why Formulators and Researchers Prefer Reliable Tetrachlorocatechol

    Tetrachlorocatechol traces its value to the chemical properties unique to its structure: strong electron-withdrawing effects from four chlorines, double hydroxyl groups on the aromatic ring. Customers in electronic material synthesis find it forms key intermediates for the manufacture of specialty polymers and selected resins. These polymers often require consistent reactivity and reproducible performance when processed at scale. Consistent substitution gives Tetrachlorocatechol an edge for these precision applications: reaction rates and outcomes stick closer to theoretical yields, wastes are easier to manage, and downstream purification takes less effort.

    Adhesive formulators—especially those developing specialty resins or modifiers—vouch for the importance of repeatable quality. Any surprises in raw material composition show up quickly in adhesive performance, durability, or color stability. Tetrachlorocatechol helps them tune crosslink density and thermal stability. Its strong chelating capacity opens up uses in certain anti-corrosion coatings and as a ligand in some catalyst systems. Across these fields, feedback always cycles back to the purity and consistency of the core chemical feedstock.

    In organic synthesis R&D, Tetrachlorocatechol acts as a bridge to more complex molecules—serving as an intermediate or coupling partner in high-value pharmaceuticals and agrochemical discoveries. The dual hydroxyl groups paired with four chlorines form a combination that’s tough to replicate with other feedstocks. Chemists value predictable reactivity profiles and minimal side reactions.

    Comparisons: Tetrachlorocatechol vs. Alternative Chlorocatachols

    Our team frequently engages with customers deciding between Tetrachlorocatechol and less chloro-substituted catechols, such as 3,4-dichlorocatechol or trichlorocatechols. The biggest difference in behavior plays out in electrophilic substitution and complex formation. Tetrachlorocatechol brings stronger electron-withdrawing effects, moderating ring reactivity in further substitutions and imparting high stability to some complexes. From a practical standpoint, this means higher resistance to oxidative degradation and more defined UV-absorbance—a benefit in applications where color or clarity is sensitive.

    On the production floor, we observe that Tetrachlorocatechol is less volatile and less likely to form problematic low-boiling impurities during synthesis. Customers working with high-purity requirements—particularly in precision electronics—prefer it specifically for this reason. Contrasting with 3,4-dichlorocatechol, our product’s four chlorine atoms confer more robust chemical inertia, allowing formulated materials to withstand harsher service conditions. In environmental applications, this greater stability both helps and hinders: persistent, well-defined in action, but also requiring strict end-of-life handling processes.

    Obtaining higher chlorinated derivatives such as Pentachlorocatechol pushes the envelope of marginal benefits—imparting more chemical bulk at the expense of solubility and cost. Many customers settle on Tetrachlorocatechol as the best compromise between reactivity, cost of synthesis, and application performance.

    Key Insights from Production Experience

    Every step from raw material procurement to the final packing involves risk of impurity carryover and yield loss. We have seen that the process window is narrow: temperature holds, pH control, and agitation speeds all contribute to product quality. Unmonitored variables—trace metal contamination, reactor fouling, or human error—translate directly into higher reject rates and process downtime. Years of experience show that a tight QA/QC regime pays off in the form of stronger client relationships and lower returns.

    We often deal with requests for custom modifications—say, bulkier pack sizes or specific particle size distributions for easier handling. Meeting these requires flexibility in downstream process design and close collaboration with formulators. Material packaged straight from an uncontrolled environment absorbs moisture, sometimes leading to caking or slow degradation. Maintaining climate-controlled storage and carefully chosen desiccants keeps the product’s granularity and chemical stability intact from plant to end-user.

    Emphasis on worker safety and waste minimization shapes how we operate daily. Chlorinated aromatics pose inhalation and dermal risks; rigorous training, local exhaust ventilation, and regular audits prevent exposures during synthesis and handling. Waste streams from chlorination and workup receive attention—neutralization, solvent recovery, and proper incineration remain crucial. Neglect here leads to environmental releases and regulatory headaches.

    Efforts go into understanding customer applications firsthand. Feedback about residue formation, unexpected color shifts, or out-of-spec composition lets us refine our operating procedures and improve trace impurity removal. Over the years, we have initiated multiple cross-functional projects—blending chemists, engineers, and feedback from end users—to reduce variability and improve reproducibility. Record-keeping, data trending, and root cause analysis all play a role.

    Addressing Issues and Meeting Industry Challenges

    Recent years have brought more scrutiny from global regulators. Requirements on maximum residual solvents, permissible trace metals, or even packaging materials continue to tighten. As a manufacturer, we adjust by investing in more sensitive analytical instruments and by validating cleaning procedures for reactors and lines. For example, ICP-MS and ion chromatography map out trace elements and anions that could interfere with downstream uses—details that only surface when a customer faces an unexplained process upset.

    Supply chain disruption sometimes threatens the availability of precursor chemicals or affects delivery timelines. We maintain multiple vetted suppliers and buffer stocks for essential inputs—choosing not always the cheapest option, but those proven over time to be consistent in quality and documentation. In doing so, we protect both our own production and customers’ supply reliability against market volatility.

    Safe and legal shipping of chlorinated compounds remains a persistent concern. Each destination country sets different standards for transport labels, customs documentation, or end-use declarations. Building up internal expertise—understanding each jurisdiction’s nuances and building strong relationships with logistics companies—minimizes lost shipments and border delays.

    We acknowledge that some applications, such as synthesis of specialty dyes or high-end polymers, seek even purer grades or customized derivatives. These needs push us to develop bespoke purification routes—maybe integrating additional distillation, chromatography, or alternative crystallization conditions. With each new requirement comes the opportunity to deepen process understanding and capture lessons for future improvements.

    End-of-life handling matters, too. Environmental concerns around persistent chlorinated compounds shape how product information is communicated. Customers increasingly request support with safe disposal protocols. We respond by sharing data on thermal stability, decomposition pathways, and compatibility with standard waste treatment technologies—aligning with the broader goal of responsible chemical stewardship.

    Why Tetrachlorocatechol Stands Out for Specialty Applications

    Experience from years of supplying Tetrachlorocatechol to advanced manufacturing sectors—semiconductors, specialty adhesives, functional coatings—confirms the importance of product purity, particle integrity, and reproducibility. Plant engineers and formulators working in these spaces report clear benefits: lower batch reject rates, easier scale-up from lab to plant, and fewer surprises during quality control. The real test comes in high-stakes production runs, where out-of-spec product quickly impacts both schedule and cost. Tetrachlorocatechol’s well-documented properties—predictable reactivity, stability in storage, compatibility with a range of reaction partners—deliver peace of mind to technical teams carrying out such work.

    Differences in processability, purity, and long-term storage emerge as top concerns when choosing between chlorinated catechols. The four-chlorine structure sidesteps some challenges with partial halogenation: solubility in polar and nonpolar solvents maintains a sweet spot, impurities are easier to isolate, and powder flow stays manageable during automated dosing. Over time, customers trying the alternatives—less-chlorinated versions or more exotic derivatives—report back to us that Tetrachlorocatechol often offers the optimal blend of performance and cost.

    In pilot-scale and commercial implementations, consistency means fewer headaches. Our experience shows that product stability on the shelf, under typical warehouse conditions, typically exceeds one year if handled correctly. Properly designed packaging—double-bagged, hermetically sealed, stored out of direct sunlight—locks in stability and guards against accidents. This assurance directly supports R&D progress and confident transition to scaled manufacture.

    Supporting technical teams, whether with customized documentation or hands-on process troubleshooting, completes the picture. Our role doesn’t end at the shipping dock: ongoing dialogue with end users, rapid delivery of certificates of analysis, and prompt investigation of deviations all shape a relationship defined by trust and reliability.

    Supporting Responsible Manufacturing and Sustainable Practices

    Chlorinated aromatics, Tetrachlorocatechol included, raise justified concerns about long-term environmental persistence and bioaccumulation. As a chemical producer, the responsibility falls on us to design and operate facilities that minimize emissions and manage waste diligently. Modern containment systems, solvent recycling units, and thorough environmental monitoring programs have become a routine part of daily operations. Process chemists and environmental managers work side by side, Monday through Friday, to ensure releases stay within permitted limits.

    Our waste treatment protocols begin before synthesis even starts—writing the process with end-of-life decomposition in mind. Highly chlorinated residues receive thermal treatment only in controlled settings; solvents get recycled wherever practical. Regulatory rules on storage and shipment are incorporated into site SOPs, trained into every team member, and practiced during drills with local emergency responders. Collaboration with regulators and downstream users drives further process improvements and waste minimization strategies.

    The industry keeps moving towards safer and greener chemistry. Developments in catalysis and selective halogenation allow us to achieve similar effects with less hazardous intermediates. Internally, research groups continue testing routes for selective substitution and cleaner workup, reducing both overall waste and energy demand. Open sharing of experience and scientific know-how within the chemical manufacturing community helps the entire sector raise safety and sustainability benchmarks.

    We remain transparent about limitations—Tetrachlorocatechol’s durability and low biodegradability require diligent stewardship. By equipping our industrial partners with accurate information on hazards, decomposition, and compatible disposal routes, we strengthen end-to-end safety and environmental compliance. Working together, from the plant to the point of use and eventual disposal, forms the backbone of sustainable specialty chemical supply chains.

    Direct Perspective: Consistency, Partnership, and Technical Expertise

    Manufacturing Tetrachlorocatechol at scale, year after year, provides lessons in balancing technical precision with practical responsiveness. From tight process controls to rigorous analytical verification, consistent delivery depends on people who know both the chemistry and the realities of production. Experience tells us that responsiveness and transparency foster strong client relationships. When a client flags an issue, the real answers often come not from manuals, but from the daily observations and shared learnings of plant chemists, engineers, and operators.

    We have seen both the challenges and the rewards of investing in continuous process improvement—modernizing reactors, streamlining purification, or upgrading analytical capabilities. Real change often starts with small adjustments, driven by on-the-ground insights from those who run the processes every day. Factory knowledge and scientist insight combine to create a product that meets the mark not once, but over hundreds of consecutive batches.

    Tetrachlorocatechol’s steady demand arises from these qualities: predictable properties, traceable production, active support, and an open-to-feedback approach. Whether building the next generation of electronic components or improving wear resistance in adhesives and coatings, industry partners come to us because of the assurance that each shipment matches the last. That trust stands as both a challenge and a responsibility we take seriously—backed by decades of experience, hard-won expertise, and an unyielding commitment to product integrity.