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

Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate

    • Product Name Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate
    • Alias ACTS
    • Einecs 246-994-0
    • 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

    450055

    Productname Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate
    Molecularformula C7H7ClNNaO3S
    Molecularweight 243.65 g/mol
    Casnumber 2834-02-4
    Appearance Off-white to light beige powder
    Solubility Soluble in water
    Meltingpoint Approximately 215-218°C (decomposes)
    Purity Typically ≥98%
    Storagecondition Store in a cool, dry place
    Usage Intermediate for azo dyes synthesis
    Phvalue Around 6.5-7.5 (1% solution in water)
    Boilingpoint Decomposes before boiling
    Synonyms Sodium salt of 4-amino-6-chloro-m-toluene-3-sulfonic acid
    Odor Odorless
    Stability Stable under recommended storage conditions

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

    Packing & Storage
    Packing 1 kg of Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate is packed in a sealed, labeled HDPE bottle with hazard warnings.
    Shipping **Shipping Description:** Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate should be shipped in tightly sealed containers, protected from moisture, direct sunlight, and incompatible substances. It is transported as a stable, non-flammable solid but may require labeling under regulations for handling chemicals. Ensure packaging prevents leaks and is compliant with local and international shipping requirements.
    Storage **Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate** should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area away from moisture, heat, and direct sunlight. Keep away from incompatible materials such as strong oxidizers and acids. Ensure proper labeling and avoid contact with skin and eyes. Store at ambient temperature and follow all relevant safety regulations.
    Application of Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate

    Applications of Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate in Industrial Manufacturing

    As a direct manufacturer, we supply Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate for highly specialized, large-scale industrial processes. This compound supports a range of dye and pigment intermediates essential to colorant systems in textile, leather, and related industries. The following sections provide detailed application scenarios with specific compliance, formulation, and production process insights.

    1. Reactive Dye Intermediate Production for Cellulosic Fibers

    Major global textile dye manufacturers employ Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate as a core diazo component in the synthesis of reactive dyes for cellulosic fiber substrates. The compound undergoes a diazotization reaction followed by coupling with chromogenic units, producing stable, water-soluble dye molecules that meet stringent wash and light fastness criteria. Industrial plants closely monitor addition rates and purity specifications to assure consistent batch performance, especially for mass-market cotton dyeing.

    Industry compliance standards

    • OEKO-TEX Standard 100 – Class I-V for textiles
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals Manufacturing Restricted Substances List)
    • REACH Annex XVII & SVHC regulations for dye intermediates
    • GB/T 18414 Chinese National Standard for textile dyes

    Typical usage ratio

    • 0.8%–1.5% of total dye intermediate reaction mass; level fine-tuned by target dye strength and shade depth

    Downstream process integration

    • Introduced to the initial batch reactor during diazotization, followed by coupling and purification stages prior to spray drying or crystallization

    Final product types

    • Bifunctional and vinyl sulfone reactive dyes (granules, powder)
    • Packed dyestuff concentrates for cotton and rayon
    • Standardized dye blends for exhaust and continuous dyeing systems

    2. Acid Dye Synthesis for Protein Fibers

    Producers of dyes intended for protein fibers such as wool, silk, and nylon use this sulphonated aromatic amine as an electrophilic building block to achieve improved fixation and hue variety. Through carefully controlled sulphonation and diazotization steps, it directly influences solubility profiles and color purity. Blending with other aromatic amines and chromophores is calculated to match rigorous batch-to-batch repeatability demands from global textile dyers.

    Industry compliance standards

    • ISO 105-E04 (Textiles – Tests for color fastness – Part E04: Color fastness to perspiration)
    • EU Regulation (EC) 1907/2006 (REACH) for dye intermediates
    • AFIRM RSL (Apparel and Footwear International Restricted Substances List)
    • BIS IS 765 (Indian Standard Specification for Acid Dyes)

    Typical usage ratio

    • 0.5%–1.0% of reaction batch, depending on target sulfonation density and end-use color spectrum

    Downstream process integration

    • Metered into sulphonation reactor prior to isomer separation, followed by pH adjustment and diazotization in closed systems

    Final product types

    • Powder and granular acid dyes for wool and silk
    • Pre-metallized acid dyes for carpet yarns
    • High-lightfastness acid dyes for nylon

    3. Direct Dye Intermediates for Paper Coloring

    Industrial paper dye manufacturers require consistently pure sulphonated toluene-based intermediates for direct dye synthesis. Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate enables the formation of bright, substantive dyes for high-quality tissue, copy paper, and specialty grades. Manufacturing protocols focus on minimizing free amine and off-color byproducts, critical for downstream compliance with food contact and low-VOC specifications common in the global paper sector.

    Industry compliance standards

    • BfR Recommendation XXXVI (Germany – Paper and board for food contact)
    • EN 646 (European standard – Paper and board intended to come into contact with foodstuffs)
    • US FDA 21 CFR 176.170 for paper additives
    • EU Ecolabel restrictions for dyes in paper manufacture

    Typical usage ratio

    • 0.6%–1.2% based on dye molecule formula and targeted paper pulp brightness

    Downstream process integration

    • Charged into diazotization reactors alongside specified partners, then controlled coupling with aromatic components prior to filtration and spray drying

    Final product types

    • Direct yellow, orange, and red dyes for tissue and copy paper
    • Food-grade paper dyes for napkin and towel production
    • Dye preparations for high-brightness specialty papers

    4. Metal Complex Dye Formulation for Leather Finishing

    Leather colorant producers depend on this aromatic sulphonate as a precursor in synthesizing metal-complex dyes which exhibit outstanding affinity and migration control on chrome-tanned hides. It participates in diazotization followed by controlled coupling and metal ion complexation, ensuring the dye fastens evenly on split and full-grain substrates. Strict raw material traceability supports conformance to international leather safety and migration legislation.

    Industry compliance standards

    • EN ISO 17075 (Determination of chromium VI in leather)
    • UNI EN 15987 (Classification and terminology of leather)
    • AFIRM Group Restricted Substances List for leather
    • GB 20400 (China National Standard for hazardous substances in leather)

    Typical usage ratio

    • 1.0%–1.6% of dye formulation — ratio optimized for intended shade intensity and shade migration control

    Downstream process integration

    • Added during the formation of azo linkage precursors before metallization, with subsequent pH regulation and chelation step

    Final product types

    • Liquid concentrates for drum and spray leather dyeing
    • Granular and powder metal-complex dyes for upholstery, shoe upper, and automotive leather
    • Pre-blended colorant systems for luxury leather goods

    5. Intermediate for Pigment Synthesis in Printing Ink Manufacturing

    High-performance pigment manufacturers utilize this sulphonated aromatic amine to construct advanced monoazo and disazo pigment molecules designed for water-based and solvent-based ink formulations. Through complex diazotization–coupling–oxidation sequences, it enables production of finely dispersed, stable pigments with narrow particle size distribution for inkjet and gravure applications, addressing strict residue and composition standards for global regulatory and end-customer acceptance.

    Industry compliance standards

    • EN 71-3 (Migration of certain elements, applicable for printing inks in toy packaging)
    • Swiss Ordinance on Materials and Articles (SR 817.023.21) Annex 10 for printing inks
    • EuPIA GMP (Good Manufacturing Practice for Printing Inks for Food Contact)
    • ASTM D5098 for color strength and pigment residue in inks

    Typical usage ratio

    • 0.7%–1.3% by mass in pigment synthesis — variation tailored according to target hue strength and pigment filterability

    Downstream process integration

    • Integrated during diazotization phase, coupled with respective aromatics, then submitted to oxidation/crystallization prior to pigment flushing and dispersion

    Final product types

    • Azo organic pigments for flexographic and gravure inks
    • Micronized pigment concentrates for water-based inkjets
    • Solvent-stable pigment pastes for packaging and specialty ink market
    Free Quote

    Competitive Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate 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

    Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate: Precision Makes the Difference

    Real-World Chemistry Rooted in Manufacturing Know-How

    Every kilogram of Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate on our loading dock comes from the kind of work chemical manufacturers respect—attention to upstream raw material quality, filtration of trace impurities, reaction times measured in hours, not guesses. In the day-to-day, this compound often gets called by its shorthand: ACTS, though among our crew it’s just as common to hear it described by its key identifiers—the amine, the sulphonate, and the chlorotoluene construction—each piece shaping its performance profile. Unlike some intermediates, ACTS has earned its place in industrial dye manufacturing and pigment synthesis by doing more than filling a slot in a formula. Our history with ACTS stretches back decades; over those years, we’ve witnessed how small decisions shape critical production outcomes for clients, and in turn, their end-users downstream.

    How We Build ACTS to Hold Its Points of Difference

    Many chemical producers treat benzenoid intermediates as near-commodities. Yet small shifts in characteristics—such as impurity content or degree of isomerization—translate to sticking points in azo dye synthesis, copper phthalocyanine pigment manufacture, and hundreds of downstream processes. We don’t cut corners with ACTS. The chlorination step in our process gets extra care, calibrated to limit polychlorinated byproducts. Consistently controlling the temperature profile gives tighter batch reproducibility. The result? Years of feedback from dye manufacturers showed they cut batch rework and filter change frequency when relying on our ACTS rather than options from less-well-controlled sources.

    We supply ACTS as a fine, free-flowing powder, with particle size distribution tuned to minimize dust and clumping issues during bulk transfer and automated dosing—one of the simple details that saves labor and reduces operator risk of inhalation exposure. Purity typically exceeds 97%, but we know that in synthetic dye routes, the difference between 97% and 98.5% can reset an entire color yield curve, so batches that slip under our internal thresholds are segregated and never dispatched. We push routine lot-to-lot HPLC analytics, publishing chromatograms on request, so process engineers scanning for possible co-eluting impurities find no hidden surprises.

    ACTS in Practice—Supporting Dye and Pigment Synthesis

    Looking at the use cases, ACTS takes on a pivotal role in the production of sulfur dyes, acid dyes, and certain direct dyes. Its molecular make-up delivers a precise reactivity in diazotization and coupling reactions, often being used to generate intermediates that anchor colorfastness on fabric or paper. Our partners in the dyeing industry rely on a batch-to-batch consistency; too much variability, and you see uneven dye uptake and shade drift that causes expensive reprocessing.

    For copper phthalocyanine pigments, which show up in probably every blue you see in plastics, inks, or coatings, ACTS feeds into a chain of steps where both purity and the trace impurity fingerprint affect pigment brightness and dispersibility. Over time, we’ve worked the process to help pigment producers reduce the occurrence of “specky” batches—an issue practically unknown to customers but familiar to anyone who’s had to reject metric tons of poor-performing pigment at the quality control bench.

    We also hear from customers optimizing liquid dye formulations, where off-odors or difficult-to-filter residues point directly to minor side-products from the sulphonation process. This is why our team prioritizes post-synthesis purification, even as those units chew up throughput and add days to the lead time. Real-world product managers run cost-benefit every month, and from that perspective, customers stay with us because today’s fine-tuning means fewer late-night blame calls and fewer containers sent back across the ocean.

    Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate versus Similar Compounds

    ACTS often gets compared to cousins in the aminotoluene sulphonate family—each molecule slightly restructured and carrying its own quirks. Take Sodium 2-Amino-5-Chlorotoluene-4-Sulphonate as a point of contrast. Chemically, shifting the amino and sulphonate groups around the ring alters both the electron distribution and coupling efficiency in dye formation pathways. Some manufacturers count these alternatives as interchangeable, but the end results rarely match: shade strength, migration resistance, and fastness drop in poorly controlled blend-ups.

    Our experience tells us that short-cutting to a similar intermediate saves neither money nor headaches. Textile dyers, for instance, can spot a difference: the batch that used ACTS as intended shows better tinctorial strength and fewer wash complaints. There’s a tangible gain in reliable performance, which—the way we see it—can be traced straight back to measured synthesis and monitored process parameters.

    Differences appear not just in chemical structure but also in how these substances behave during processing. ACTS stands out for its robust solubility and lack of caking during bin transfer, two details overlooked in purely theoretical product comparisons. We have seen manufacturers struggle with clumping during humid-season shipments—a costly downtime for overseas dye plants that leaves production schedules jittery. Our clients point out these concrete differences in how ACTS handles from receiving dock to final mix, even when technical grade documents look similar on paper.

    Production Considerations: Seeing Things from the Factory Floor

    There’s no point in glossing over real challenges. Sourcing high-quality para-toluidine as a key raw material forces us to stay nimble, not just on price points but on supplier quality audits. Volume buyers always expect on-time delivery, yet the sulphonation line’s throughput can stall when an upstream reactor goes out of temperature control—so we maintain back-ups and reserve capacity.

    Our team manages contamination risks daily, inspecting filter media and piping for runaway corrosion or cross-contamination. It’s common industry practice to look at theoretical yields, but anyone who’s run a campaign batch knows scaling up means choking points, not invisible on a flow chart. That includes safety—handling chlorinating agents with proper engineering controls, air-handling, and trained personnel. These are not secondary concerns; we treat them as central to product reliability, worker health, and surrounding community well-being.

    Environmental and Regulatory Realities Shaping Production

    Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate comes with an environmental footprint. Manufacturing routes produce acidic effluents, and trace aromatics head to waste treatment. We’ve invested years in unit optimization: recirculating scrubbers, improved crystallization, and energy recovery on reactor jacket lines. On the regulatory front, authorities track sulphonated aromatic discharge closely—compliance isn’t abstract paperwork. Our team works face-to-face with environmental inspectors, mapping every kilo of input to output, and producing traceability records on demand.

    Pressure to reduce water consumption during purification doesn’t let up. Customers want greener chemistry; we back that by incrementally reducing water per ton of ACTS produced, piloting membrane filtration, and reusing rinse water where quality holds. This saves fees and cuts stress on local infrastructure, but just as importantly, social trust. In communities near our plants, the difference between responsible operation and cost-cutting becomes visible—odors, colored effluents, or lack thereof. We believe that accountability helps to preserve long-term business, not just short-term batch yields.

    Quality Assurance Isn’t Abstract—It’s Daily Work

    Our technical managers live in the details—running duplicate analyses for every lot, confirming identity against reference standards with NMR and HPLC. When production scales shift due to increased orders, we don’t skate by on legacy data; current results drive next steps. Customers sometimes tour our facility, running their own quick-and-dirty tests side-by-side with ours. Transparency in product quality isn’t just a selling point; it’s what keeps end users—from pigment houses to global textile plants—coming back cycle after cycle.

    Beyond minimum specs, we keep close records on shipment sealing, product labeling, and container traceability. These controls cut down on the risk of tampering, mislabeling, or confusion with similar sulphonates—a headache endemic to ports and customs houses worldwide. Our site team marks each drum with critical batch data and confirms integrity before loading out. Every returned drum triggers a root cause analysis, with findings integrated into operator training and routine checklists.

    Supply Chain and Customer Support: Keeping Promises

    For large contract buyers, timing matters as much as product grade. We’ve built our supply chain with redundancy, buffering against port congestion, global logistics hiccups, or periodic spikes in container rates. Seasonal shifts in demand—especially linked to annual textile orders or regulatory cycles—affect planning. We saw spikes during years when downstream regulations banned certain dye intermediates, and customers leaned on our reliability while other sources dried up. Throughout these inflection points, open communication (both technical and logistical) let our partners adjust formulations with minimal loss.

    We’re not spectators when customers face process upsets. Technical teams field calls around issues of filtration, batch hold-ups, or unexpected impurity signals. In some cases, our laboratory runs small-scale pilot syntheses matching client conditions, troubleshooting right down to the pre-mix solvents or reactor cleaning steps. This hands-on support—anchored in real chemical expertise, not script-reading—is how we build confidence in ACTS as part of a critical production network, not just as another commodity thrown over the fence.

    Looking Ahead: Market Challenges and Opportunities

    Industry trends don’t stand still. Demand for custom shade dyes and eco-label requirements keeps pushing innovation. We track these changes by adjusting our R&D, trying out new catalysts in the sulphonation step, screening for alternative feedstocks, or cutting energy waste from jacketed reactors. Some competitors race to shrink costs at the expense of traceability or small-batch flexibility, but our experience proves the most loyal customers value partnership, technical support, and a product that performs as it should, batch after batch.

    We’re also seeing longstanding partners in Asia, the Americas, and Europe make moves toward vertical integration—pulling more intermediates in-house, seeking both cost savings and tighter process control. Rather than taking these moves as threats, we offer flexible toll manufacturing and a willingness to adjust specs within best-practice safety and quality limits.

    Customers concerned about changing environmental regimes look for evidence of sustainable chemistry. Our operations team has piloted greener alternatives for waste acid neutralization and invested in automatic, real-time monitoring of effluent characteristics. These enhancements keep us ahead of shifts in environmental regulation, offering reassurance to multinationals and local producers that product quality ties directly to responsible manufacturing.

    The Real Value of Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate

    To those outside the manufacturing sector, all sulphonated toluene aminides can seem alike—a pale powder shipped in bags or drums. For manufacturers who live by the outcomes in their dyehouses, pigment mills, or formulation plants, the difference lies in the hands and minds that make the chemical, not just the chemical itself. We’ve put decades of improvement into ACTS, learning from client feedback, our own missteps, and the market’s most exacting end-users.

    The future of ACTS, and of specialty intermediates in general, will ride on these foundations: clear, well-communicated specs, accountability upstream and down, and a willingness to invest in both chemistry and people. End users—whether creating a rich turquoise ink, a durable textile dye, or a technical pigment for high-performance coatings—deserve more than a commodity. They deserve a product that reflects not just molecular architecture, but the work, discipline, and innovation layered into every batch.

    Anyone seeking a supplier for Sodium 4-Amino-6-Chlorotoluene-3-Sulphonate with a track record of technical depth, process rigor, and customer partnership will find those values embedded in each lot produced on our lines. The chemical delivers on paper, but what matters most is how it performs in the real world, under the realities of commercial scale, strict regulatory oversight, and customer demand for better, safer, and more predictable results.