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1,3-Dichloro-4,6-Dinitrobenzene

    • Product Name 1,3-Dichloro-4,6-Dinitrobenzene
    • Alias DCDNB
    • Einecs 215-714-0
    • 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
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    Specifications

    HS Code

    398025

    Chemicalname 1,3-Dichloro-4,6-Dinitrobenzene
    Casnumber 609-74-1
    Molecularformula C6H2Cl2N2O4
    Molecularweight 238.99 g/mol
    Appearance Yellow to orange crystalline solid
    Meltingpoint 149-151°C
    Boilingpoint Decomposes before boiling
    Density 1.78 g/cm³
    Solubilityinwater Slightly soluble
    Storageconditions Store in a cool, dry, well-ventilated place

    As an accredited 1,3-Dichloro-4,6-Dinitrobenzene factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing Amber glass bottle, 100g, tightly sealed with a red cap, labeled as hazardous with proper chemical name, CAS, and hazard symbols.
    Shipping 1,3-Dichloro-4,6-Dinitrobenzene must be shipped as a hazardous material, following all relevant regulations such as DOT (U.S.), UN, and IATA guidelines. Packaging should be secure, leak-proof, and clearly labeled with appropriate hazard warnings (toxic, irritant, and environmental hazard). Transporters must carry proper documentation and emergency information.
    Storage 1,3-Dichloro-4,6-dinitrobenzene should be stored in a tightly sealed container in a cool, dry, well-ventilated area, away from sources of ignition, heat, and incompatible materials such as strong oxidizers and reducing agents. Protect from moisture and direct sunlight. Ensure proper labeling and restrict access to authorized personnel. Use secondary containment to prevent spills or leaks.
    Application of 1,3-Dichloro-4,6-Dinitrobenzene

    Applications of 1,3-Dichloro-4,6-Dinitrobenzene in Industrial Manufacturing

    As a direct manufacturer of 1,3-Dichloro-4,6-Dinitrobenzene, we supply this material to specialized chemical sectors with demanding technical, safety, and quality requirements. The following sections detail verified downstream application scenarios where 1,3-Dichloro-4,6-Dinitrobenzene plays a critical role in industrial manufacturing processes.

    1. Intermediate for Agrochemical Synthesis: Herbicides

    Several major agrochemical companies utilize this material as a chlorinated and nitrated aromatic building block for herbicide active ingredient synthesis. In this segment, process engineers handle the intermediate in controlled reaction steps, mainly for nucleophilic substitution reactions to introduce amine or alkoxy groups. Dosage varies depending on product scale and reactivity of downstream nucleophiles, while production lines must minimize impurities as mandated for crop protection exports.

    Industry compliance standards

    • ISO 9001:2015 Certified Quality Management System for chemical synthesis plants
    • CropLife International and FAO/WHO-specifications for pesticide ingredients
    • EU REACH registration for active intermediates
    • Chinese Environmental Quality Standards GB/T 31270.1-2014 for pesticide manufacturing

    Typical usage ratio

    • Starts at 0.8–1.1 equivalents per mole of target herbicide backbone
    • Adjusted by batch reactor yield and downstream amine or phenol reactant excess
    • Strict control under 1.15 equivalents for final step impurity limits

    Downstream process integration

    • Reacted as first or second functionalization step in multi-stage synthesis
    • Addition usually in methylpyrrolidone or xylene solvent system
    • Purified before condensation or etherification with desired amine/alkoxy group

    Final product types

    • Triazine herbicides (e.g. simazine)
    • Bipyridylium herbicides (e.g. diquat, paraquat intermediates)
    • Pre-emergent and contact herbicide active ingredients
    • Customized chloronitrobenzenes for newer active ingredient pipelines

    2. Dye Manufacturing: Disperse and Acid Dyes

    This material serves as a key starting component in synthesizing azo and anthraquinone disperse dyes and certain acid dyes, valued for its dual-electron withdrawing groups that enable precise chromophore modification. Formulators select its input ratio for balance between solubility, tinctorial strength, and lightfastness in the resulting dye molecule. Strict impurity controls are necessary to meet global textile Oeko-Tex and ZDHC standards, as contaminant carryover directly impacts end-use compliance.

    Industry compliance standards

    • Oeko-Tex Standard 100 for colorant purity
    • ZDHC MRSL Conformance for restricted substances in textile manufacturing
    • ISO 9001:2015 and ISO 14001:2015 for dyehouse quality and environmental systems
    • EU Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH) conformity

    Typical usage ratio

    • 0.9–1.2 molar equivalents in diazotization or coupling reactions
    • Material flow adjusted based on coupling efficiency and dye target shade
    • May increase to 1.3 equivalents for high color strength grades

    Downstream process integration

    • Charged into reaction vessel after neutralization and heating to setpoint
    • Participates in azo diazotization or anthraquinone intermediate condensation
    • Crude dye then subject to chromatographic or recrystallization purification

    Final product types

    • Disperse dyes for polyester fiber coloration
    • Acid dyes for wool, silk, and nylon substrates
    • Specialized azo pigments for plastics and coatings
    • Reactive dye intermediates for custom color matches

    3. Synthesis of Pharmaceutical Fine Chemicals

    Pharmaceutical intermediate manufacturers incorporate this material in select API syntheses, particularly for stepwise construction of complex aromatic scaffolds featuring dinitro and halogenated motifs. The controlled chemical reactivity and position specificity allow process chemists to introduce selected substitutions necessary for API efficacy while maintaining regulatory impurity thresholds. Material traceability and documented analytical profiling are central to meeting international pharma supply protocols.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guidance for Active Pharmaceutical Ingredients
    • 21 CFR Part 211: US FDA cGMP for Finished Pharmaceuticals
    • European Pharmacopoeia (Ph. Eur.) monographs for aromatic intermediates
    • Active substance DMF registration for primary and secondary intermediates

    Typical usage ratio

    • Varies from 0.95 to 1.05 equivalents for direct substitution reactions
    • Batchwise adjustment according to stoichiometry in synthetic route
    • Purification yields driving input quantities to minimize genotoxic by-products

    Downstream process integration

    • Added in protected inert atmosphere reactors to avoid side reactions
    • Employed as aryl building block prior to final heterocycle closure
    • Multi-step HPLC or recrystallization before moving to regulated API stages

    Final product types

    • Pharmaceutical intermediates with halogen and nitro-substituted aromatic rings
    • Niche APIs for antivirals or antifungals
    • Precursors for sulfa drugs and specialty active substances
    • Diagnostic reagent intermediates for radiolabeling

    4. Polymer Additives and Crosslinker Manufacture

    Producers of functionalized plastics and performance polymer additives rely on this compound to impart crosslinking points, flame retardancy, and static resistance in specialty resins. Its highly substituted aromatic structure provides strategic sites for downstream nucleophile or amine reactions in the polymer backbone. Chemical engineers carefully monitor reaction progress and additive ratios to ensure consistency in plasticizer-free or halogen-specific formulations intended for regulated uses.

    Industry compliance standards

    • ISO 10993-5: Cytotoxicity standards for plastics in medical devices (where applicable)
    • UL 94: Flammability standard for plastic materials
    • ASTM D6866: Biobased content for specialty polymers
    • EU Directive 2011/65/EU (RoHS) for restricted substance content in electronics

    Typical usage ratio

    • 0.2–0.5% by polymer weight for crosslinkable plastics
    • 0.1–0.3 parts per hundred resin (phr) for flame retardant formulations
    • Up to 0.7% in specialty static-dissipative films based on molecular weight

    Downstream process integration

    • Compounded during reactive extrusion or pre-polymer batch steps
    • Blended with other functional monomers under controlled temperature to avoid premature side reactions
    • Integrated as in-situ additive before crosslinking/curing

    Final product types

    • Halogenated engineered plastics for electrical housings
    • Flame-retardant polyolefins and polyamides
    • Crosslinkable composite films and sheets
    • Conductive antistatic packaging materials

    5. Explosives and Energetic Compounds Manufacturing

    Manufacturers of industrial detonators and specialized energetic compounds add this dichloro-dinitro aromatic intermediate to generate high-density, stable explosives precursors. Its molecular structure provides both oxidative and halogen character essential for certain melt-cast explosive synthetic routes. Production facilities deploy rigorous hazard control and batch containment under government-licensed protocols, while material specifications are tightly held to achieve repeatable detonation response in commercial blasting and defense applications.

    Industry compliance standards

    • ATEX Directives for explosive atmospheres (2014/34/EU)
    • US Bureau of Alcohol, Tobacco, Firearms, and Explosives (BATFE) licensing for explosive raw materials
    • UN Recommendations on the Transport of Dangerous Goods Model Regulations
    • ISO 17025: Testing and calibration competence for explosives manufacturing labs

    Typical usage ratio

    • 0.2–0.7 mole fraction in melt-cast matrices depending on desired detonation velocity
    • Adjusted for compatibility with other fused aromatic nitro compounds
    • Material charge strictly defined by per-batch risk assessment

    Downstream process integration

    • Blended into precursor charge prior to nitration or chlorination completion
    • Processed under temperature- and humidity-controlled containment
    • Safeguarded transfer to downstream crystallization or granulation steps

    Final product types

    • Industrial detonators for mining and construction
    • Melt-cast explosives for commercial blasting agents
    • Halogen-doped energetic materials for military and aerospace
    • Initiator compounds for specialty pyrotechnics
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    Certification & Compliance
    More Introduction

    Introducing 1,3-Dichloro-4,6-Dinitrobenzene: Our Perspective as the Producer

    Building Trust with Decades of Practical Experience

    Day in and day out, we run production lines for specialty chemicals that must perform dependably for customers who rely on each batch. 1,3-Dichloro-4,6-Dinitrobenzene belongs to this group of chemicals, serving as an essential intermediate in key manufacturing sectors. Our hands-on involvement, from sourcing raw materials to final packaging, has underscored the importance of consistency, strict attention to purity, and understanding the applications that drive market demand.

    Chemicals like 1,3-Dichloro-4,6-Dinitrobenzene aren’t abstract numbers or commodities to us—they form relationships with customers in sectors ranging from dye production to pharmaceutical synthesis. Over the years, our development and process teams have learned what matters most: reliability, traceability, and truth in specification. Real-world production means having to troubleshoot everything from raw material variability to storage challenges, so we aim for robust methods and practical approaches rather than theory alone.

    Specifications with Purpose—Not Just Numbers

    The main application for 1,3-Dichloro-4,6-Dinitrobenzene falls in the world of pesticides, advanced dyes, and organic synthesis, including high-performance molecules needed for pigment and pharmaceutical intermediates. The molecule’s two chlorine atoms and two nitro groups give it the reactivity and selectivity needed for downstream transformations that other benzene derivatives can’t always provide. That core structure makes a difference, especially in nitration and halogenation reactions where we see our product enable clean conversion and strong yields.

    Quality means more than hitting a certain purity on a certificate. Through years of refining our process, we’ve learned that small improvements in washing and crystallization steps can lower impurity profiles, and that pays off for end users. Our typical batches carry a purity of at least 98% by HPLC, matched by controlled moisture content and consistent melting range. By investing in modern process controls, we see tighter reproducibility across lots, which industrial customers appreciate when they scale up or need predictable reactivity in further synthesis.

    Unlike some general-purpose nitrobenzenes, this compound gives unique substitution possibilities. It responds in targeted nucleophilic substitution, which matters when working with sensitive downstream reactions or looking to minimize side products. We hold ourselves to a standard set by customer feedback, not just technical benchmarks. Batch regularity means fewer headaches for research labs or production facilities further down the value chain.

    Our Approach to Manufacturing and Safety

    Without careful management at every step, the cost of small mistakes can quickly rise—both in terms of financial losses and disruption at the customer end. Handling 1,3-Dichloro-4,6-Dinitrobenzene requires an understanding of the hazards: both chlorinated and nitrated aromatics come with their own health and safety needs. Through years of investment in closed systems, ventilated transfer points, and real-time monitoring, we control exposure risks for our team and reduce environmental losses. Our experience reinforces that proper containment isn’t negotiable just to improve the bottom line; it’s built into our daily routine.

    Waste management is a reality of chemical manufacturing; we don’t sugarcoat that. Nitration and chlorination both generate wastes that require dedicated handling and appropriate neutralization—our onsite treatment equipment and long-standing partnerships with disposal firms come from years of learning hard lessons. Through ongoing audits, we look for ways to further reduce byproducts, not just meet local regulation but to address community concerns robustly. Tailoring our storage facilities to deal with the product’s oxidizing nature has also given us lessons we’ve later applied to improve logistics for other products, keeping safety front and center.

    Practical Use Cases and Industry Feedback

    Our typical end users can range from multinational dye manufacturers to specialized pharmaceutical labs. They turn to 1,3-Dichloro-4,6-Dinitrobenzene for its specific aromatic substitution patterns. For example, the pesticide sector often values the compound as a building block for highly active molecules that need controlled reaction sites. Dye manufacturing teams appreciate its performance in synthesizing chromophores with vibrant hues and strong stability. Feedback from long-term customers highlights the value they place on reproducibility: more uniform reactivity means less troubleshooting and fewer process modifications on their end.

    We don’t just ship pallets; we spend time understanding how the molecule interacts with adjacent components and supports scale-up efforts. Customers often report that tight control over impurity levels in our product has allowed them to push yield improvements in their reactors. Many have found direct cost savings by reducing the frequency of unplanned batch stops and by cleaning less often, thanks to less fouling and side-product generation.

    What Sets 1,3-Dichloro-4,6-Dinitrobenzene Apart?

    Years ago, we carried a wider range of chloronitrobenzenes, and we saw first-hand how subtle changes in the position of substituents led to serious differences in downstream chemistry. Unlike close cousins like 2,4-dinitrochlorophenol or 4,6-dinitro-o-chlorobenzene, our main product brings a unique interplay between its two electron-withdrawing nitro groups and its pair of chlorines. This makes it valuable not only as a potent electrophile but also as a precursor for molecules needing precise substitution patterns. With this profile, it finds fewer off-path products, and specialists in custom synthesis operations often turn to it for efficiency and selectivity.

    Direct feedback from the dye industry explains that this compound’s structure allows for deeper shades and faster fixation to certain substrates, giving textile clients just what they look for in fastness and vibrancy. For those in crop protection, enhanced reactivity tailored by the 1,3-dichloro backbone allows for the introduction of targeted side chains, supporting development of newer, more effective actives.

    Some of the most meaningful improvements come from focusing on what this molecule does during scale-up. Differences from similar products become clear when reactions proceed cleaner, post-reaction purification becomes simpler, or when there’s less dust or caking during storage and transfer. Investing in stability testing under local humidity and temperature changes has lessened many storage headaches, and sharing this data directly with partners means fewer surprises after delivery.

    Challenges and Honest Reflections from Production

    It’s not all smooth sailing. Real challenges keep us humble: sourcing high-quality starting materials, finding better solvents for reducing environmental load, and limiting batch-to-batch drift. Shortcuts don’t pay off; aggressive cost-cutting usually brings more downtime or failed quality checks. After grappling with a difficult supply year, we shifted away from some lower-purity sources—even though it trimmed our short-term margins—because higher consistency meant far fewer customer complaints, and less time spent troubleshooting bottlenecks.

    Like many chemical intermediates, regulatory expectations push us to stay up-to-date. We keep detailed chain-of-custody records for every batch, from initial lot blending to final drum or bag. We participate in industry benchmarking and peer review panels, comparing our product’s behavior in pilot-scale syntheses to ensure reliability. Open communication with stakeholders means sharing data on residue levels, degradation products, and shelf life—trust builds from transparency, not just paperwork.

    Solutions and Practical Adjustments

    Investing in new filtration technology led to improved color and purity in regular lots, which our dye clients immediately noted. Process engineers in the plant worked overtime to tweak reaction conditions for a better balance between throughput and impurity suppression, which directly addressed several recurring quality flags. Sometimes improving a product means being willing to overhaul an old standard operating procedure, even if it disrupts routine.

    Training for shift teams focuses on careful, practical handling rather than relying solely on automated sensors. Human judgment, especially in granular feeding and sampling, continues to matter. It’s not unusual for our teams to spot an incipient off-odor or a slight color change before any electronic sensor does—an advantage that comes only from dozens of batches under the belt.

    We work directly with transportation partners to develop packaging protocols that prevent contamination and resist sunlight and humidity. By refining our packaging material and storage advice, clients in tropical or marine environments have seen a noticeable drop in storage-related complaints. Our routine checks for sample lots, both from production and real-world storage, build out a data set we use to guide both new and long-standing customers on best practices.

    Environmental and Societal Responsibility

    Chemical manufacturing doesn’t exist in a vacuum; our neighbors, regulatory agencies, and even our own families rely on responsible practices. Our facility edges close to areas with active agriculture and residences. We’ve chosen to proactively share air and water monitoring data, not only during audits but regularly with community groups and local authorities. That conversation matters more than marketing promises, especially in regions wary of chemical industry impacts.

    Resource and waste minimization practices continue to evolve, sparked by both external pressure and our internal values. Smart solvent recovery and strict water management have sharply reduced output levels for some pollutants. Remaining transparent about accident rates and near-misses also earned us ongoing social license and input from safety advocates who view us as a partner rather than an adversary.

    Looking Forward: Product Improvement and Market Demands

    User requirements shift as new markets open and regulatory expectations climb. Rising demand from API synthesis and custom dye houses prompted us to further tighten our min/max impurity profile. We routinely invite feedback from technical buyers and plant managers alike to pinpoint sticking points in downstream use. New pilot plant runs let us simulate customer-scale synthesis conditions and spot potential improvements—sometimes small changes on our end save significant troubleshooting for large manufacturers using our intermediate.

    Advanced quality tracking and batch certification, built on chromatographic profiling and regular analysis for trace byproducts, provide up-to-date data for traceability. Long shelf life and stable packaging matter most for customers working with slower inventory turnover, especially those stockpiling for long campaigns or seasonal demand. We adjust batch sizes and packaging to suit both bulk industrial and specialty lab-scale requirements, always guided by historical experience and emerging trends.

    Technical dialogue with specialty industry partners pointed us toward reducing residual solvent and reworking purification systems to achieve even lower background signal. These advances supported some pharmaceutical clients in moving new molecules closer to scale, sidestepping repeat revalidation costs and streamlining approvals from health authorities.

    Conclusion: Experience Matters, Not Just Specification Sheets

    For us, 1,3-Dichloro-4,6-Dinitrobenzene is not just a chemical, but a link in a much larger production chain. We stand by the value of feedback, continual improvement, and direct investment in both safety and product quality. The field expects accuracy, transparency, and responsiveness from any serious producer—earned only through years of listening, responding, and adapting. We see this product as a way to build lasting partnerships, providing consistency and practical value for manufacturers who demand more than numbers on a page.