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2-Chlorobenzene-1,4-Diammonium Sulphate

    • Product Name 2-Chlorobenzene-1,4-Diammonium Sulphate
    • Alias Benzenamine, 2-chloro-4-(aminomethyl)-, sulfate (2:1)
    • Einecs 242-355-2
    • 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

    295862

    Chemical Name 2-Chlorobenzene-1,4-Diammonium Sulphate
    Molecular Formula C6H8ClN2(SO4)
    Molecular Weight 258.66 g/mol
    Appearance Off-white to beige solid
    Solubility Soluble in water
    Melting Point Decomposes on heating
    Odor Odorless
    Storage Conditions Store in a cool, dry place, away from light
    Cas Number 6159-57-3
    Ph Value 4.5-6.5 (1% solution)
    Stability Stable under recommended storage conditions

    As an accredited 2-Chlorobenzene-1,4-Diammonium Sulphate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The packaging is a sealed, high-density polyethylene bottle containing 500 grams of 2-Chlorobenzene-1,4-Diammonium Sulphate, labeled with safety warnings.
    Shipping 2-Chlorobenzene-1,4-Diammonium Sulphate should be shipped in tightly sealed containers, clearly labeled as a chemical substance. Store and transport in a cool, dry place, away from incompatible materials and direct sunlight. Comply with local, national, and international regulations for chemical handling to ensure safety during shipment. Handle with appropriate protective equipment.
    Storage 2-Chlorobenzene-1,4-diammonium sulphate should be stored in a tightly sealed container, in a cool, dry, well-ventilated area away from direct sunlight, moisture, and incompatible substances such as strong oxidizers. Ensure the storage area is equipped with appropriate spill containment and labeling. Use chemical-resistant shelving and avoid storing above eye level. Keep the container clearly labeled and out of reach of unauthorized personnel.
    Application of 2-Chlorobenzene-1,4-Diammonium Sulphate

    Applications of 2-Chlorobenzene-1,4-Diammonium Sulphate in Industrial Manufacturing

    2-Chlorobenzene-1,4-Diammonium Sulphate serves as a specialized intermediate across several high-value chemical manufacturing sectors. As an original manufacturer, we supply this material with consistently controlled purity and batch reproducibility, supporting precise downstream formulation and compliance requirements throughout multiple regulated industries.

    1. Pharmaceutical Intermediate Synthesis

    This compound is widely used in the multi-stage synthesis of active pharmaceutical ingredients (APIs), especially those involving diamine or aromatic amine frameworks. Producers apply it for nucleophilic aromatic substitution steps, where controlled reactivity and minimal by-product formation drive high API yields. The material's high purity aligns with stringent cGMP protocols in regulated pharmaceutical plants.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • USP–NF (United States Pharmacopeia–National Formulary) Monographs
    • EU EudraLex Vol.4 GMP Guidelines
    • China Pharmacopeia Standards

    Typical usage ratio

    • Applied at 0.5–3.0 mole equivalents per targeted aromatic substrate, with exact ratio set by specific synthetic route and required conversion rate.

    Downstream process integration

    • Added in batch or semi-continuous reactors during amination or coupling stages; standard filtration and purification steps follow for API isolation.

    Final product types

    • Antihypertensive drugs
    • Aromatic amino acid derivatives
    • Intermediate compounds for oncology actives
    • Pharmaceutical building blocks exported to EU and US markets

    2. Agroch emical Formulation (Herbicide Synthesis)

    The chemical acts as a coupling or bridging reagent in the manufacture of selective herbicides, facilitating the introduction of functional groups on aromatic cores. Agrochemical synthesis operations value its solubility and consistent ammonium salt form, which help streamline batch adjustment and waste management procedures.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • China Ministry of Agriculture GB/T 1600-2001
    • EU REACH (EC 1907/2006) registration for chemical safety
    • ISO 9001:2015 Quality Management System

    Typical usage ratio

    • Used at 2–5% by mass in reaction blends, dependent on the desired substitution pattern and downstream active loading in the final technical concentrate.

    Downstream process integration

    • Fed into closed, temperature-controlled mixing tanks during the herbicidal backbone assembly; subsequent neutralization and extraction stages employed for active isolation before formulation.

    Final product types

    • Pre-emergent and post-emergent herbicide actives
    • Intermediate compounds for fungicides
    • Blends for global agrochemical technical markets

    3. Specialty Dye Manufacture

    This material's diammonium structure enables high selectivity in electrophilic aromatic substitution reactions used for azo and anthraquinone dye synthesis. Dye plants rely on its precise granulation to limit dust and enable easy metering into aqueous or solvent-based dye kettles, with product purity critical for color consistency and reproducibility.

    Industry compliance standards

    • OEKO-TEX Standard 100 restricted substance list
    • REACH Annex XVII Restrictions
    • ZDHC (Zero Discharge of Hazardous Chemicals) Programme Level 1/2/3
    • China GB 38502-2020 Safety Standard for Textile Dyes

    Typical usage ratio

    • Ranged at 0.8–2.2% w/w relative to base dye substrates. Ratios tweaked to achieve purity targets or meet unique fastness specifications in diverse fiber types.

    Downstream process integration

    • Introduced during diazotization or coupling phases under aqueous or polar solvent conditions, where process temperature and pH tightly regulated for maximum chromophore development.

    Final product types

    • Textile dyes for polyester and nylon fibers
    • Industrial pigment dispersions
    • Granular and liquid azo dyes supplied to printing ink manufacturers
    • Colorants for leather and paper applications

    4. Polymer Modifier Synthesis

    Chemical plants use this material to introduce functional amine groups during polymer modification reactions, such as chain extension, crosslinking, and block copolymer preparation. The solid, non-volatile salt form promotes stable dosing and minimizes side reactions common in bulk continuous reactors designed for engineering plastics.

    Industry compliance standards

    • ISO 9001:2015 Quality System for polymer additives
    • UL 94 (flammability rating for plastics) compliance through precise formulation
    • FDA 21 CFR 177.1810 (indirect additive regulation for polymers with food contact intent)
    • China GB 4806.6-2016 Standards for Food Contact Polymer Materials (where applicable)

    Typical usage ratio

    • Blended at 0.3–1.1 parts per hundred resin (phr), optimized for molecular weight and desired mechanical property adjustment.

    Downstream process integration

    • Feeding point occurs prior to extruder or reactor charging; promotes uniform dispersion for reaction with polyamide or polyurethane prepolymer chains in melt or solution-phase production.

    Final product types

    • High-performance engineering resins
    • Automotive interior and wire coating polymers
    • Chemically resistant films
    • Specialty plastic additives meeting export compliance

    5. Fine Chemical Reductant or Scavenger Production

    Several fine chemical producers select this diammonium salt as a source of reducing equivalents or as a specific scavenger in high-purity electronic chemical synthesis. Its defined stoichiometry and reactivity profile facilitate tight process control, particularly for applications in microelectronics or catalysis precursor production.

    Industry compliance standards

    • SEMI C1 Standards for semiconductor chemicals
    • IEC Q 080000:2017 (Hazardous Substance Process Management)
    • ISO 14001 for environmental management in chemical processing
    • China’s Electronic Grade Chemical Safety Regulations GB/T 31413-2015

    Typical usage ratio

    • Applied at 1.5–4.0% by process mass or as a 1.2–2.0 molar excess to targeted reactant for effective scavenging without over-reduction.

    Downstream process integration

    • Premixed with process stream feeds in closed, oxygen-reduced systems to avoid contamination; typically followed by filtration and purification to isolate high-value downstream intermediates.

    Final product types

    • Precursors for electronic-grade catalysts
    • High-purity circuit board treatment chemicals
    • Intermediate compounds for microelectronic device fabrication
    • Specialty reagents for photolithography
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    Certification & Compliance
    More Introduction

    2-Chlorobenzene-1,4-Diammonium Sulphate: Practical Insights from the Manufacturing Floor

    Understanding 2-Chlorobenzene-1,4-Diammonium Sulphate from the Source

    2-Chlorobenzene-1,4-diammonium sulphate lives in that intersection where chemistry meets daily production grind, and where experience refines each batch beyond the limits of the lab. In practical manufacturing, the value of this compound springs not from its name, but from the precision and consistency required to create it. For those less familiar, it’s a salt derived from the careful reaction of 2-chlorobenzene-1,4-diamine with sulfuric acid. As manufacturers, we've learned that success with this product demands more than following a textbook recipe. It comes down to five senses and years of watching small batch shifts and subtle color variations through each stage. Every decision—temperature, pH, stir rate—leaves a mark on the final product.

    Our Model and Spec: Built for Consistency

    Years of running full-scale reactors have taught us that consistency starts long before packaging. The lot we release as 2-Chlorobenzene-1,4-diammonium sulphate, Model CBDS-147, reflects a persistent drive for purity and form—a principle element for the industries relying on dye intermediates and chemical synthesis. We target a white to off-white crystalline powder that shows low moisture and is free from visible contamination. Each lot meets a minimum purity of 98 percent, checked using calibrated analytical instruments. Moisture usually measures under 1 percent, a figure we'd rather sacrifice yield for, than risk performance downstream. Standard sizing averages 80 mesh, as requested by technicians who know what works for their filtration setups, and any deviation finds its way back to quality control. Trace metal content stays low; even the faintest discoloration can become a headache in dye production or specialty synthesis. Over time, balancing form, particle size, and stability has proven as important as the raw numbers on a certificate of analysis.

    Practical Uses: Lessons from the Field

    The heart of 2-Chlorobenzene-1,4-diammonium sulphate's reputation comes not from data sheets, but from its results in downstream operations. Dye manufacturing tells the story best. This compound often enters the process as a key intermediate. Its purity, particle size, and moisture level all play a role in whether a batch results in vibrant, reproducible colors. Poor-quality batches from others have left persistent speckling or off-tones in premium textiles, leading customers our way. We’ve seen the sharp contrasts in reactivity and yield depending on the starting quality, particularly for vat and azo dye makers. These customers report fewer pre-mixing adjustments and smoother solubility from our material, translating to more efficient runs and fewer costly stoppages. Down the chain, producers of specialty chemicals have commented on reduced side-product formation when they switch to our product, which in many cases cuts waste treatment expenses. Export buyers remark on the tightness of our packaging and the dry, free-flow feel after transit—both non-negotiables in humid climates.

    How We Set Ourselves Apart from Other Suppliers

    Most customers discover that 2-Chlorobenzene-1,4-diammonium sulphate can vary widely. Volume sellers flood the market with cheaper, less controlled output. We take pride in refusing short cuts like rushed reaction washes or improper centrifugation. Every time we run a lot, supervisors monitor points that textbooks gloss over—color shift after crystallization, the response of the solid during drying, the first visual cues of hydrolysis or over-oxidation. Others sometimes offer a similar label, but their background impurities or inconsistent particle sizing soon show up in customer rejections or batch failures. The time we spend with a batch costs a little more, but minimizes extra work for our clients. Common complaints about alternative supplies boil down to muddiness in filtration, product sticking in feeders, or unmanageable foaming—all things we correct through careful preparation. We routinely test random samples on our own downstream pilot lines, catching subtle performance hiccups before anything leaves the warehouse. Over years, trust develops not through price wars, but by shipments that need no apologies, and by making improvements based on end user feedback rather than spreadsheet savings.

    Production Challenges Only Experienced Manufacturers Face

    The job teaches quick lessons on where things go wrong. Crystallization, often thought routine, needs constant checking. Growth rates dictate if we get dust or coarse lumps, each with their own handling problems. If the reactor temperature drifts by even a few degrees during sulphonation, impurities creep in that not only drop assay but affect colorfastness in dye jobs. It’s tempting to run high agitation for faster cycles, but time and again, we’ve found a steady hand at the controls prevents unsightly bridging or fine loss. During summer, humidity can spike the moisture level in output if not managed aggressively; batch tanks sometimes need extra insulation or timed purges. Aging production lines bring new headaches—occasional metal ion leaching prompts more frequent soaking of glass-lined reactors, and we swap out gaskets as insurance against invisible contamination. Our R&D team walks the line to find process tweaks that work on the shop floor, not just in the lab. We’re stubborn about sharing even minor improvements internally, knowing each operator’s personal shortcut or trick can prevent issues from snowballing. Our operators never treat the spec as a finish line but as a living baseline, always aiming to raise the bar.

    Customer Stories: Applications and Unexpected Lessons

    Dye houses trust our material for blacks and deep reds, as color depth and evenness rely on side impurity suppression. Over the years, we witnessed textile processors blend lots and struggle with pinholing or uneven color if they sourced too broadly. After switching to our supply, they called out tighter color bands and less waste reprocessing. Chemical intermediates manufacture presents other challenges—here, the compound acts as a substrate or coupling agent. Clients producing performance pigments found their downstream conversion yields increased when starting from our tightly controlled lots. Polymer makers have even used it in niche markets for specialty films, counting on our consistency to avoid process upsets; one reported a solid month of defect-free output last year after several months of troubleshooting off-grade runs with less refined sources. We’ve even fielded questions from researchers in fields like catalysis and materials science, probing whether our product might be tailored for custom surface chemistry. These conversations push us to learn more about how small details in preparation translate to success in the field.

    Safety and Environmental Commitment from a Manufacturer’s Standpoint

    Consistency extends to safe handling, inside and outside the factory fence. Employees receive regular refresher training on best practices for dealing with both the base diamine and the acid used in synthesis, recalling how minor spills can create real hazards. Dust from drying or grinding phases requires sealed transfer and vacuum recovery, so operators don full protective gear. Packaging design follows the reality of movement—bags with moisture barriers, bulk containers with desiccant inserts, all checked for tight seals before loading. This ensures what leaves our gate arrives in the same condition, no matter the continent. Effluent treatment sits top of mind each production cycle, given the amine content and sulfate residues in wash streams. Over the past five years, we’ve installed targeted ion-exchange units and begun recycling some process water, reducing chemical releases and utility spend. Waste drums never linger outdoors, as regulations or storms can turn inattention into both a compliance issue and a reputational setback. Our approach stands as both good business and responsibility; shortcuts today linger in tomorrow’s audit trail. We discuss our process and safety improvements directly with buyers—they know every kilogram is backed by open records and a willingness to accept audits at a moment’s notice.

    Adaptation in Product Design: Meeting Tougher Demands Each Year

    The demands on 2-Chlorobenzene-1,4-diammonium sulphate keep rising. New applications, from higher-purity dye intermediates to advanced syntheses, push us to refine our model. Some buyers ask for tighter mesh sizing for automated dosing systems. Over time, we began sifting every lot through finer screens and invested in better mills that could run cooler, avoiding breakdown products that appear during high-shear processing. Dryness took center stage as customers expanded into regions with greater humidity swings. We responded by tweaking drying curves and extending hold times to ensure stability even during multi-week transit. Other users started requesting custom packaging that could handle crane lifts and rough port handling; our in-house team designed reinforced super-sacks with rigidized liners, quickly cutting down on damage and spills. We track all complaints and fix what’s practical, handing feedback back into production rather than sitting on “continuous improvement” slogans. Raw materials receive closer scrutiny now than ever before, since even phase-incompatible drum coatings upstream can show up as haze in the finished product. Yearly, our audits highlight issues barely on the radar of the industry at launch, and we respond by rewriting procedures and training shop floor teams intensively.

    Comparisons: How Experience Shapes Results

    Every manufacturer claims near-perfect lots; only some deliver consistently. Our long-haul buyers have learned to spot subtle differences—uniform grain structure instead of agglomerates, difference in flow through dosing hoppers, even improved performance in automated weighing systems. The market seems full of product with wide assay spread or visible particulate. Some producers cut corners on washing, leaving residues that show up downstream as haze, filter clogging, or off-gassing. Those failures spread on shop floors, fixing costs on end-users. In contrast, buyers tell us our product gives more predictable yields and smoother scale-up from lab to production. Over time, these practical differences translate into fewer batch adjustments, less raw material wastage, and measurable savings in labor and downtime. Oddly enough, the best validation comes not from awards, but from repeat orders and word-of-mouth among engineering teams who’d rather avoid rework than chase per-unit margin. Competition remains fierce, but an eye for performance details and a willingness to stand behind every shipment keeps us in demanding applications where others drop out.

    Feedback, Troubleshooting, and Product Evolution Based on Reality

    Feedback, both positive and negative, moves straight from the loading dock back to the production team. Years ago, a major dye works flagged an odor anomaly in a midsummer lot—a puzzle quickly traced to unexpected amine buildup during a humid run. Instead of issuing an apology and moving forward, we shut down the batch, overhauled our dehumidification system, and ran a short course for technicians on summer-specific control points. This method of treating customer trouble as a chance to build, not blame, underscores our culture. Tech support sits next to the plant, with direct lines to the site manager, so even unusual end uses or emerging quality standards move us into action. Routine in-house pilot testing lets us forecast potential trouble down the line, and tweaks—sometimes as minor as extra sampling during process shifts—find their way into our permanent process documentation. Rather than declare a spec met, we track which users encounter borderline performance, circling back to operations staff with clear, actionable insights. Evaluations from multinational dye and pigment syntheses often point out edge-case impurity patterns, pushing us to fine-tune both purification and packaging. We actively test each suggestion; sometimes lessons transfer across segments, from colorants to polymer intermediates, reshaping what we consider acceptable tolerance. The pattern is never static: every feedback loop strengthens the product, step by step.

    Trust Built on Practical Experience

    The chemical industry changes quickly, but some fundamentals never shift—rigorous oversight in production, respect for customer applications, and willingness to invest in continuous process improvement. Every time a bag of 2-Chlorobenzene-1,4-diammonium sulphate leaves our dock, it represents thousands of small, hands-on decisions made by a team that cares as much about the next shipment as the last. While price and spec sheets matter, long-term relationships stem from listening closely to what users need, adapting equipment and protocol, and putting in extra effort that automated systems don’t catch. By treating batches as more than lines on a spreadsheet, we gain insights that keep our material out front in practical performance and reliability. Customers keep coming back for something they know works, and our doors remain open to anyone willing to discuss practical improvements. Each lot reflects not just chemistry, but a manufacturer’s ongoing conversation with the people who put the product to work.