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2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid

    • Product Name 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid
    • Alias Acid Yellow 79
    • Einecs 258-176-6
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    749830

    Product Name 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid
    Cas Number 34450-09-6
    Molecular Formula C16H16N2O8S
    Molecular Weight 396.37 g/mol
    Appearance Yellow to orange solid
    Melting Point Decomposes above 250°C
    Solubility In Water Soluble
    Purity Typically >98%
    Storage Temperature 2-8°C (refrigerated)
    Functional Groups Sulfonic acid, amino, keto (dioxo)

    As an accredited 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A 100-gram amber glass bottle, tightly sealed, labeled with chemical name, hazard symbols, manufacturer, and handling instructions for laboratory use.
    Shipping 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid is shipped in tightly sealed containers to prevent moisture and contamination. The chemical is packed following safety regulations for hazardous materials, with clear labeling and documentation provided. Temperature and handling instructions are included to ensure stability and integrity during transportation.
    Storage Store 2,5-Bis[(1,3-Dioxobutyl)amino]benzenesulfonic acid in a tightly sealed container, protected from moisture and light, in a cool, dry, well-ventilated area. Avoid heat, direct sunlight, and incompatible materials such as strong oxidizers. Use appropriate personal protective equipment when handling. Clearly label the container and store away from food and drink. Follow relevant safety and chemical storage guidelines.
    Application of 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid

    Applications of 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid in Industrial Manufacturing

    As a direct manufacturer, we supply 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid to specialized industrial sectors. This intermediate supports advanced synthesis routes, optimized polymerization, and complex coloration processes. Each downstream application described below reflects verifiable market demand and operational practice, emphasizing technical integration, quality benchmarks, and industry-specific compliance.

    1. Functional Dye Intermediates for Reactive Textile Dyes

    Major textile dye formulators use this compound as a sulfonated intermediate to introduce water-solubilizing groups and chromophore stability in reactive dye production. It enables direct coupling in aromatic diazonium chemistry, particularly for triazine- or vinylsulfone-based reactive colors. End users adjust its input based on the fiber affinity, reactivity range, and target shade depth, and incorporate it through aqueous batch synthesis with strong alkali, controlled dosing, and sequential sulfonation. Batch colorimetric analysis establishes final spectral intensity and fastness.

    Industry compliance standards

    • OEKO-TEX® Standard 100 for restricted substances in textiles
    • ZDHC MRSL (Zero Discharge of Hazardous Chemicals) chemical restrictions
    • CFR Title 40 (EPA) regarding effluent quality for dye plants
    • REACH Annex XVII compliance for azo dye precursors

    Typical usage ratio

    • 8–15 wt% relative to total dye solid input; adjustments depend on dye chromophore structure and bath volume

    Downstream process integration

    • Introduced after initial diazotization and before final condensation, under alkaline aqueous conditions at 60–80°C

    Final product types

    • Reactive dyes for cellulosic fibers
    • Printing paste colorants
    • High-washfast apparel dye formulations
    • Industrial textile color solutions

    2. Electroactive Monomers in Specialty Conductive Polymers

    The specialty polymer sector employs this molecule as a sulfonated aromatic amine to introduce ionic sites and conjugated rigidity in advanced polyimide and polyaniline derivatives. Electroactive film producers depend on the sulfonic moiety for enhanced proton conductivity and uniform film formation in fuel cell membranes. The compound is dosed into polycondensation reactors post-monomeric dehydration, supporting controlled molecular weight and sulfonation degree. Final blends are solution cast under nitrogen with in situ monitoring of film thickness and conductivity targets.

    Industry compliance standards

    • ASTM D7984 (conductivity testing of polymer films)
    • IEC 62321 (hazardous substance determination in electronic materials)
    • RoHS Directive 2011/65/EU for electronics
    • ISO 9001:2015-certified QC management for electronic polymers

    Typical usage ratio

    • 6–12 mol% relative to total acid monomers; fine-tuned per conductivity target and membrane thickness

    Downstream process integration

    • Dosed with aromatic diacids and dianhydrides during polymerization, or as a modifier in post-polymerization doping baths

    Final product types

    • Proton exchange membranes (PEMFC film)
    • Self-doped polyaniline blends
    • Laser-imaged circuit layers for flexible electronics
    • Electrochromic display substrates

    3. Advanced Additive for High-Performance Waterborne Inks

    Major ink formulators select this compound to introduce sulfonate dispersibility and wetting properties into aqueous pigment concentrates. It acts as a dispersing co-monomer, controlling viscosity and improving pigment stability through ionic surface modification. Incorporated at the pigment grinding pre-mix stage, the additive mitigates flocculation during high shear dispersion, improves color strength, and complies with low-VOC emission standards. Subsequently, ink blending is conducted under moderate heat with continuous QC to achieve uniform solids distribution.

    Industry compliance standards

    • EN 71-3 (safety of inks for toys and packaging)
    • ISO 2846-1 (ISO color standard for printing inks)
    • US FDA 21 CFR 175.105 for indirect food contact inks
    • European Printing Ink Association (EuPIA) guidelines

    Typical usage ratio

    • 0.2–1.0 wt% of total ink formulation; increased for finer pigment dispersions or lower VOC requirements

    Downstream process integration

    • Added at pigment grind step before resin addition or as a final post-blend stabilizer in water-based systems

    Final product types

    • High-chroma inkjet inks
    • Low-VOC flexographic and gravure inks
    • Food packaging ink systems
    • Digital textile inks

    4. Reactive Intermediate for Pharmaceutical API Synthesis

    Chemical API manufacturers incorporate this aromatic sulfonic acid derivative to introduce specific electron-withdrawing and water-solubilizing groups in the construction of complex drug molecules. The compound’s amide structure supports selective substitution and targeted reactivity in sulfonamide synthesis, especially for anti-infective agents and contrast media precursors. Input levels and reaction sequences comply with strict cGMP protocols, using continuous monitoring, validated cleaning, and traceable in-process controls to reduce batch variability and residual impurity profiles.

    Industry compliance standards

    • ICH Q7 GMP for pharmaceutical manufacturing
    • USP–NF and Ph. Eur. relevant monographs for APIs
    • FDA 21 CFR 210/211 for finished pharmaceuticals
    • European Pharmacopoeia quality guidelines on intermediates

    Typical usage ratio

    • Mol ratio determined per final API structure; typically 1.0–1.2 eq to target functional residue with stoichiometry optimized by HPLC monitoring

    Downstream process integration

    • Entered during late-stage intermediate coupling or direct acylation, under anhydrous conditions, followed by purification and analytical release

    Final product types

    • Sulfonamide-based antibiotics
    • Water-soluble diagnostic agents
    • Contrast media for radiology
    • Branded and generic API intermediates

    5. Crosslinking Co-Agent for Thermoset Resin Systems

    Industrial resin manufacturers employ this compound as a multifunctional crosslinking site carrier for specialty thermoset systems, such as epoxy and phenolic resins targeted at industrial coatings and engineering adhesives. Its dioxobutyl and sulfonic substituents support covalent crosslink density and improve hydrophilicity, delivering improved impact resistance and heat stability. The additive is dispersed during the premix of resin components, introduced at controlled temperatures prior to catalytic curing, and batch QC verifies crosslink distribution and mechanical properties of cured samples.

    Industry compliance standards

    • ASTM D1652 (epoxy resin testing procedures)
    • UL 94 (flammability for adhesives and coatings)
    • ISO 178 (mechanical properties of finished plastic composites)
    • ISO 9001:2015 or IATF 16949 system for resin manufacturing QC

    Typical usage ratio

    • 1.5–4 wt% of total resin compound; tuning based on resin base type, desired crosslink density, and end-use specification

    Downstream process integration

    • Dispersed in resin premixes before addition of curing agents or accelerators, with temperature ramping from 45°C to 90°C depending on resin system

    Final product types

    • High-strength epoxy adhesives
    • Industrial protective coatings
    • High-impact composite prepregs
    • Fire-retardant resins for automotive and electronics
    Free Quote

    Competitive 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid prices that fit your budget—flexible terms and customized quotes for every order.

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    We will respond to you as soon as possible.

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    Certification & Compliance
    More Introduction

    2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid: Insight from the Manufacturer’s Floor

    Bringing Chemistry Down to Earth

    Producing 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid doesn’t start with a barrel or end with a drum. It involves a tightly managed orchestration of raw inputs, temperature controls, and experience that only daily hands-on work teaches. Our teams know that every batch behaves slightly differently, depending on subtle shifts in purification steps or even seasonal humidity. Over the years in the plant, we’ve encountered questions about why we commit so deeply to this molecule. The core of the answer always focuses on reliability and functional consistency for end users who demand predictability in their processes.

    About the Product — Model and Specifications Driven by Practical Realities

    Routinely, our batches of 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid reach the target purity levels above 98%, with moisture-controlled to below 1.0%. These numbers don’t just appear on a certificate. Tight filtration steps snag unwanted particles that could trigger performance variability in turn-key applications. We don’t send out-of-spec product out the door. Operators track batch logs daily, noting every recalibration of equipment, since even minor inconsistencies can ripple through a customer’s downstream process.

    Handling this compound, workers notice its off-white to faintly yellowish appearance—a result of the double dioxobutylamine groups we introduce through a controlled amination and sulfonation sequence. No two chemistry lines perform quite the same, so our teams make routine adjustments on the fly, driven by in-plant checks instead of following a generic lab manual. From pH balance to drying curves, most technical staff here could finish each other's sentences about troubleshooting quirks. The manufacturing rhythm of this product keeps us on our toes.

    Uses Grounded in Real-World Demands

    Talking with formulators over the years, the unique structure of 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid typically finds value as an intermediate in specialty dyes and pigments, as well as a component in certain polymer modification systems. Buyers often approach us with project details in hand, searching for a molecule that can withstand specific thermal cycles or exposure limits. They ask about stability under UV or electrical requirements and rely on our firsthand insights, not just general advice. We don’t just recite literature — we share the actual outcomes from our in-house QA tests, detailing how the sulfonic acid group anchors itself during harsh physical processing, and what happens if limits are exceeded.

    Long-term users have sent feedback that this compound eases integration into aqueous formulations. The solubility profile, backed by years of real-world QC data, means fewer headaches for mixing teams judging by clarity, not hypothetical numbers. In pigment synthesis or dye processing, repeated customer trials link the molecular backbone to finished product tone stability, casting a wide influence over colorfastness or particle dispersion. All this comes back to the work at the production level — careful control during amination and strict cleanliness in reactors. Clean lines keep contamination low, which keeps final products clearer and more stable. These details hit home not just in scientific reports, but in day-to-day results.

    Experiences Comparing Similar Products

    Fellow producers often ask how this acid compares with related sulfonated aromatics or bis-amino functional intermediates. Years of hands-on batch work highlight the subtle differences hidden in their handling, solubility, and downstream behaviors. For example, direct analogs lacking the 1,3-dioxobutyl groups tend to crystallize differently, leading some formulations to demand extra steps for dissolution. In practice, our bench chemists see what theoretical models can miss: these molecular tweaks affect everything from shelf life to reactivity.

    Customers sometimes try substituting structurally similar products, but later report back with clumping in finished polymers or unexpected color shifts in dyes. The double dioxobutylamine arms in this compound create a slightly softer, more flexible integration profile, especially where compatibility with resins and dispersants becomes critical. Our technical service contacts have catalogued numerous side-by-side studies. For customers investing in large-scale runs, smallest inconsistency means lost time or scrapped output — concrete examples show why many return to the same molecule batch after batch.

    Meeting Industry’s Evolving Buyer Expectations

    Today’s supply chain climate places factories like ours under a microscope. It’s no longer enough to promise purity or label compliance. Technical leads frequently visit the plant, looking for evidence of material traceability and sustainability. Our logging practices keep a watertight chain of custody — every batch carries a unique fingerprint linked to QA records. No one in a manufacturing role wants a surprise downstream; keeping imprecise historical records only creates costly risk.

    We’ve seen that customers attach real value to knowing which part of our process ensures zero cross-contamination. In practice, this means dedicated equipment, exhaustive clean-in-place routines, tracked by plant operators who take pride in releasing material that will not compromise sensitive applications. For those using this product in formulations requiring low leachable content, cleaner lines mean fewer headaches. It’s the small steps — an unbroken seal on a reactor, a conscientious swab before loading raw inputs — that prevent big setbacks in end uses that tolerate little variance.

    Customers frequently ask about continuous improvement. We focus on feedback circles between plant operators and end users. Each slight adjustment in agitation or solvent use might not show on a spec sheet, but it can mean a difference in outcomes. We see it as duty to translate lessons from an uneventful, well-run production into assurance for every kilo shipped — never assuming the last batch's success guarantees the next.

    Supporting Demanding R&D Teams with Direct Experience

    Research chemists on both sides of the production chain appreciate suppliers who bring direct bench knowledge to the table. Many of our engineering and technical teams come from backgrounds in industrial formulation or process chemistry. They know the frustration of a surprise impurity peak or unexplained drift in solubility curves. Over time, internal collaboration between production and R&D has added real-world precision to the specs we publish.

    Our QA lab measures more than simple purity and moisture values. Incoming raw materials are screened for trace metals and contaminant ions, down to levels often far below industry standards. These steps arose out of specific cases where minor impurities triggered problems at customer sites — reports of discoloration, viscosity swings, or filter clogging. By tightening acceptance limits, we raised overall dependability for customers needing near-zero-defect intermediates. Time spent troubleshooting their pain points feeds back into tangible tweaks on our floor.

    For customers in sectors like advanced polymers, dye intermediates, and specialty coatings, having a supplier that not only lists compliance but shows detailed QC records builds more trust than technical promises. End users want to know every key step held up under practical production stress. It’s more about sharing a story of batches produced, oddities encountered, and lessons learned, than just sending a product passport.

    Challenges in Manufacturing and Opportunities for Process Improvement

    One challenge unique to 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid lies in controlling by-product formation during the amination stage. Even a slight drift in temperature or pressure throws off yield or purity. From long practice, our shift leads recognize early signs of off-spec crystals forming, adjusting parameters on the spot. Such responsiveness gets built into training — not because it’s glamorous, but because end users notice the impact immediately. We avoid automation shortcuts where human oversight drives better outcomes.

    Our innovation team has experimented, for example, with tweaks in solvent selection and reaction staging. Over dozens of trial runs, even minor changes in the quenching sequence showed knock-on effects on product consistency. These hands-on lessons never appear in sales material, yet they explain why some production lines run flourished and some falter. All this adds up over the lifetime of supplying a demanding chemical. Stronger routines for drying and particle separation help supply buyers with product that pours cleanly and dissolves reliably, reducing headaches during large-scale formulation.

    Technical input from clients spurs many of our internal process improvements. In one case, a paint manufacturer flagged a persistent haze problem during high-speed mixing — we traced the issue to a minute rise in trace sulfate content, and adjusted filtration media and brine wash steps to eliminate the outlier batches. Later audits by the same customer traced improved final gloss and fewer rework events directly to these corrective tweaks introduced at our factory. We receive the same kinds of requests from customers across rubber modification, performance additives, and pigment dispersions. Solutions never come from generic procedures; they stem from persistent follow-up and shared know-how between production and end users.

    Why Consistency Means More Than Data Sheets

    Over years in specialty chemical manufacturing, a reliable track record consistently attracts repeat business. Customers test material from various suppliers and regularly tell us how minor inconsistencies — visible only after full-scale process integration — separate a trusted plant from trial suppliers. Lessons from the floor reinforce a simple truth: all the numbers in the certificate of analysis matter little if the powder clumps differently, reacts off-spec, or colors turn out wrong. Downstream failures never stay hidden for long.

    Our repeat customers in dyes, pigment intermediates, and high-performance coatings often sample batches from several manufacturers before scaling up. They come back with hard requests, like replicated results from ten or more lots. Success comes from deeper practices: watching for temperature shifts in reactors, hand-testing filter columns, adapting drying cycles by eye and experience. That’s not something that fits into a universal SOP or a bullet list. Instead of running lean just to fill more orders, we keep a slower QA handoff between production and shipping. This protects buyers from unpredictable blends. Even after a batch leaves our plant, technical support tracks not just complaints but any anomaly, feeding new learnings back into future runs.

    Environmental and Regulatory Pressure — Building Practices That Last

    Environmental accountability can make or break a chemical manufacturer’s reputation. Neighboring communities keep a watchful eye on how we handle effluents and emissions. We use closed-loop water handling and high-recovery filtration not only to keep regulators satisfied but to protect our staff from unnecessary exposure. These systems also reduce unexpected cross-contamination between adjacent process lines—less chance for a production hiccup to spill over into the next batch. We face regular audits, but far more important are the spot checks and continual training our crew performs—no shortcut ever lasts.

    With increasingly strict global standards, our plant leadership invests in compliance above simple minimums. We track regulated chemicals down to the kilogram and carry detailed logs for authorities, but also make this data available to customers needing full downstream audit trails. For export-facing orders, full RoHS and REACH documentation accompanies shipments where required, since more buyers now demand open reporting on every ingredient in their own supply chains. The trust this builds lowers barriers for clients pursuing new certifications, especially in sensitive industries. Careful environmental measures also trim the risk of regulatory slowdowns disrupting deliveries—factories who cut corners can’t always promise ships will sail on time.

    Building Long-Term Relationships — More than Just Shipments

    Some buyers new to this compound approach us unsure about the right analog to fit their process. We never answer with only data points. Instead, we share industry examples, side-by-side comparisons run by our own teams, and lessons from actual plant trials. Buyer and supplier learn together across technical hurdles. No marketing gloss or technical shortcut builds the trust forged after troubleshooting a tough batch side by side.

    Customers ask about repeatability across seasons—do summer temperatures shift behavior, do transport delays affect product integrity during storage? Our warehouse managers track these issues obsessively, building loading schedules to avoid heat spikes and tweaking packaging to keep moisture out during humid months. Field lessons from years of shipments—plastic liners or foil inserts for bulk bags, humidity sensors on truck loads—go back into how we ship. By tracking which logistics partners treat loads right, we cut surprises for both parties. Many of our longest client relationships began with a shipping hiccup we turned around, ending up with more trust than before.

    Looking Ahead — Opportunities to Do Better

    Despite decades of experience, every batch still teaches something new. Improved reactor controls, digital tracking of QA checkpoints, and wider use of remote monitoring platforms sharpen our attention and trim operator fatigue in repetitive tasks. These investments allow plant teams to focus more time on the critical judging steps only humans can master: assessing clarity, texture, or an unexpected odor shift. Engaged staff, given good data, make safer decisions and prevent minor deviations from growing out of hand.

    Requests from advanced material innovators have grown in the last few years. They look for greater transparency, faster feedback loops, and even closer collaboration at the R&D bench. As our floor crews refine process controls, our technical support responds with tighter knowledge transfer—sharing not just numbers but pattern recognition built from years in plant trenches. Together with clients, we develop tailored protocols for blending, mixing, or compounding—then report real results honestly, not just the best outcomes. These practical, shared victories deserve more focus than raw technical specs.

    Down the line, community and industry partners alike will measure us by lasting value. Not every plant can answer an urgent inquiry at midnight, or trace an offbeat odor to a rare byproduct on first request. We keep working at these goals because reliability rests on details, not just declarations. Relationships formed in problem-solving last much longer than one-off rush orders. Our aim with every lot of 2,5-Bis[(1,3-Dioxobutyl)Amino]Benzenesulfonic Acid reflects years of learning and listening—always improving, batch by batch.