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2-Amino-4-N-Ethylsulfonamide Phenol

    • Product Name 2-Amino-4-N-Ethylsulfonamide Phenol
    • Alias EPPS
    • Einecs 401-090-0
    • 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

    868656

    Chemical Name 2-Amino-4-N-Ethylsulfonamide Phenol
    Molecular Formula C8H12N2O3S
    Molecular Weight 216.26 g/mol
    Appearance White to off-white powder
    Melting Point Approx. 180-185°C
    Solubility Soluble in water and organic solvents
    Purity Typically ≥98%
    Boiling Point Decomposes before boiling
    Storage Conditions Store in a cool, dry place away from light
    Synonyms 2-Amino-4-(ethylsulfonamido)phenol
    Hazard Statements May cause skin and eye irritation

    As an accredited 2-Amino-4-N-Ethylsulfonamide Phenol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The chemical is packaged in a 100g amber glass bottle, featuring a secure screw cap and a clear, hazard-labeled identification sticker.
    Shipping 2-Amino-4-N-Ethylsulfonamide Phenol should be shipped in tightly sealed, chemical-resistant containers. Keep away from incompatible substances and moisture. Transport under ambient conditions unless otherwise specified by the supplier. Ensure all labeling and documentation comply with local, national, and international regulations. Handle with proper PPE and follow established safety protocols during shipment.
    Storage Store 2-Amino-4-N-Ethylsulfonamide Phenol in a cool, dry, well-ventilated area, away from sources of heat, ignition, and incompatible substances such as strong oxidizing agents. Keep the container tightly closed and properly labeled. Protect from moisture and direct sunlight. Use appropriate personal protective equipment when handling and ensure storage in accordance with local, state, and federal regulations.
    Application of 2-Amino-4-N-Ethylsulfonamide Phenol

    Applications of 2-Amino-4-N-Ethylsulfonamide Phenol in Industrial Manufacturing

    2-Amino-4-N-Ethylsulfonamide Phenol is a specialized intermediate widely adopted by the chemical manufacturing sector for its amine and sulfonamide functionalities, meeting the advanced requirements of multiple downstream industries. As direct producers, we ensure that the material adheres to stringent technical criteria, supporting our partners’ process efficiency and regulatory compliance across key segments. Below are major application channels recognized in established global markets.

    1. Active Pharmaceutical Ingredient (API) Synthesis for Sulfonamide Antibiotics

    This molecule serves as a core intermediate in the multi-step synthesis of modern sulfonamide-based antibiotics. Process engineers and formulators commonly integrate it during the coupling or condensation phases. Pharmaceutical producers depend on its controlled purity and reactivity to ensure reproducible yields and conformance to international drug regulations. Our manufacturing maintains traceability and impurity profiles, supporting audits and batch records under regulated GMP environments.

    Industry compliance standards

    • ICH Q7 GMP for Active Pharmaceutical Ingredients
    • USP-NF for Intermediates Used in Drug Synthesis
    • EU Guidelines for GMP Module 3.2.S.3.2 Impurities
    • China Pharmacopoeia Vol. IV, Intermediate Controls

    Typical usage ratio

    • Integrated as 1.2–1.6 molar equivalents in stepwise condensation, adjusted based on targeted yield and downstream process efficiency

    Downstream process integration

    • Incorporated post-activation of aromatic amines, prior to cyclization or further substitution reactions for API core structure formation

    Final product types

    • Sulfamethoxazole drug substance
    • Sulfonamide antimicrobial APIs
    • Pharmaceutical intermediates for generic antibiotics
    • Veterinary antibiotic raw materials

    2. Color Developer and Photosensitive Material Manufacturing

    Producers of photographic and thermal imaging materials utilize 2-Amino-4-N-Ethylsulfonamide Phenol as an electron donor in color developer formulations. Its fast reactivity ensures rapid image development and enhanced background reduction in silver halide photo processes. Quality control in these plants focuses on purity, moisture content, and batch homogeneity to support reproducible photo-finishing results.

    Industry compliance standards

    • ISO 18913 Imaging Material Chemical Stability
    • RoHS 3 for Restricted Substance Management (if entering electronics)
    • JIS K 6400 for Photographic Chemicals
    • REACH Registration for Import into the EU

    Typical usage ratio

    • Formulated at 0.01–0.06% w/w in developer concentrate, adjusted for substrate responsiveness and developer regeneration cycles

    Downstream process integration

    • Dosed into developer concentrate blending tanks prior to shipment or directly at imaging material coating lines for inline developer preparation

    Final product types

    • Photographic film developer concentrates
    • Thermal paper coating emulsions
    • Industrial color imaging plates
    • High-speed printing paper additives

    3. Specialty Dye Intermediate for Textile and Paper Manufacturing

    Pulp and fiber dye manufacturers rely on this raw material as an intermediate for synthesis of sulfonamide-modified phenolic dyes, which offer improved wetfastness and shade stability. The compound enables diazotization or coupling operations in the colorant synthesis workflow. Performance benchmarks set by end-users include batch-to-batch color reproducibility and resistance to process oxidation or hydrolysis.

    Industry compliance standards

    • Oeko-Tex Standard 100 Restricted Substance List
    • ZDHC Manufacturing Restricted Substances List
    • EU REACH Annex XVII on Azo Dye Safety
    • GB 18401 Chinese Textile Safety National Standard

    Typical usage ratio

    • Applied as 5–20 mol% of total dye intermediate charge, based on targeted dye strength and final shade requirements

    Downstream process integration

    • Added to diazotization/coupling kettles for azo dye synthesis, upstream of final dye grinding and finishing stages

    Final product types

    • Sulfonamide-phenol azo dyes for cellulose fibers
    • Reactive dyes for polyamide-based textiles
    • Paper colorants for specialty and security papers
    • High-performance waterfast inkjet inks

    4. Polymer Additive in Engineering Plastics and Coatings

    Manufacturers of thermoset and thermoplastic resins incorporate this compound as a functional modifier to enhance heat resistance or flame retardancy, particularly in polyamide blends and epoxy systems. Processing engineers dose and blend this material with matrix resins during reactive extrusion or pre-polymer mixing, monitoring for uniform distribution. QC teams assess melt flow, decomposition temperature, and compatibility with downstream pigments or fillers.

    Industry compliance standards

    • UL 94 Flammability Requirements for Plastic Materials
    • EN 71-3:2019 (for toy coatings/additives)
    • ISO 11357 Differential Scanning Calorimetry for Polymers
    • ASTM D256 Impact Resistance for Engineering Plastics

    Typical usage ratio

    • Dispersed at 0.1–1.5% w/w for flame-modified plastics; ratios fine-tuned to balance mechanical and fire performance

    Downstream process integration

    • Fed into compounding extruders or resin mixing vessels prior to molding, with post-addition adjustments for additive synergy

    Final product types

    • Halogen-free flame-retardant polyamides
    • Epoxy resin-based protective coatings
    • High-temperature engineering polymer parts
    • Electronic encapsulation resins
    Free Quote

    Competitive 2-Amino-4-N-Ethylsulfonamide Phenol prices that fit your budget—flexible terms and customized quotes for every order.

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    Certification & Compliance
    More Introduction

    Understanding 2-Amino-4-N-Ethylsulfonamide Phenol from the Manufacturer’s Perspective

    A Look into Real-World Chemical Production

    In the chemical industry, success always begins with understanding the practical applications and the science behind each compound. Having spent years refining our processes, we recognize that every step in producing 2-Amino-4-N-Ethylsulfonamide Phenol carries its own challenges and rewards. Compound development goes beyond following a set recipe; it calls for know-how, sharp troubleshooting, and a dedication to purity through each cycle.

    How the Model and Specifications Tie to Outcomes

    We produce 2-Amino-4-N-Ethylsulfonamide Phenol after running through multiple filtration and purification steps to reach a high-grade product. Chemical manufacturers can relate to the importance of having a well-defined model number or specification, not as a marketing tagline, but as the outcome of controlled synthetic pathways and reliable batch records. Standardized specifications are shaped on the production floor through routine pilot trials, checked multiple times for batch-to-batch consistency.

    Whether targeting pharma intermediate use or analytical research demand, our batch process starts from raw materials traced to origin and purity. Specifications become something real to us—not just numbers, but evidence of a robust process. Purity comes verified with HPLC or GC where required. Our team celebrates each run where melting point and assay fall smack in the target range, and clarity or color match historical controls. We view off-spec results as signals to revisit solvent choice, temperature profiles, agitation timing, or even minor mechanical issues in the vessels. Reliable product always emerges from the discipline of recording, reviewing, and refining until the figures aren’t just close enough, but reliably repeatable.

    Why This Compound Earns Its Place in Research and Production

    2-Amino-4-N-Ethylsulfonamide Phenol draws consistent demand across specialized applications. Its molecular structure, distinguished by the sulfonamide group linked to the phenol ring, often supports synthesis of advanced pharmaceuticals, functional dyes, or specialty resins. In our experience, the product’s sulfonamide moiety introduces both reactivity for downstream synthesis and specific compatibility in aqueous or polar media.

    From the first reaction of ethylsulfonamide with substituted phenol under temperature-controlled conditions, we see subtle variables impact the outcome. The reaction requires precisely measured reagents—molar ratios tuned so that yields stay up, and byproducts drop to a minimum. Each stage must be monitored. Our reactors are calibrated not only with temperature and time, but mixing speeds reviewed against performance logs. We’ve learned that the wrong agitation easily changes crystal form or purity; too much heat at the wrong stage brings unwanted coloration or side products.

    Technicians collect intermediate samples, checking pH and possible trace contaminants along the way. These small checkpoints avoid costly mistakes later. The team’s vigilance pays off; final assay checks confirm the touted purity and the chemical behavior users expect.

    How We Approach the Needs of Specialty Sectors

    This compound’s balanced performance profile made it a favorite among pharma researchers looking for a building block with both amino and sulfonamide groups, two functionalities that open up a host of synthetic possibilities. Its phenolic group supports downstream coupling reactions, while its water compatibility—stemming from the sulfonamide—often improves processability in wet routes. We’ve seen the demand come most often from R&D labs seeking finely tuned reactivity without clogging reactors or triggering hard-to-separate byproducts.

    A point of pride for our team comes from hearing that our batches enable actual breakthroughs—whether in a new generational API intermediate, a novel diagnostic dye, or even biotechnological applications where fine-tuned solubility and reactivity shape assay development. Each batch supports a much larger story in the hands of our customers.

    Comparing to Similar Phenolic Sulfonamides

    Across the sector, numerous phenol-based intermediates incorporate sulfonamide groups. Ours stands out for a simple reason: the ethylated sulfonamide. The subtle length and branching in the ethyl moiety influence not just the electronic distribution on the molecule, but also the melting point profile, solubility, and reactivity compared to simple methyl or unsubstituted sulfonamides.

    Having made related compounds ourselves—such as 2-amino-4-sulfonamide phenols lacking an ethyl group or those with bulkier groups—we see several distinctions. Unsubstituted sulfonamide phenols often show higher melting points but fall short on solubility in common polar organic solvents. Those with a methyl group can prove easy to process, but react differently under coupling or condensation conditions, sometimes demanding catalyst changes or alternate purification methods.

    Our 2-Amino-4-N-Ethylsulfonamide Phenol bridges a gap by offering mid-range solubility and a reactivity profile suited to balanced, predictable synthesis planning. That means real time and cost savings later, since batch scaleups tend not to “misbehave”—a frustrating surprise with less predictable analogs. Working as actual process chemists, we favor compounds that conform to known reactivity without stubborn surprises, and our experience shows that minor structural tweaks, such as the ethyl group here, bring outsized benefits in handling and synthesis.

    Putting Specifications to the Test—Why Lab Numbers Matter

    Every batch’s success rides on far more than a parent specification posted online. Our lab staff runs hands-on characterization following each synthesis route. Melting point range often serves as an early clue about success. UV-vis and IR spectroscopy detect the presence (or absence) of key functional groups. For critical users—pharma or diagnostics—the results from HPLC or GC analysis deliver the definitive assay reading and flag the occasional impurity.

    Real-world production introduces hiccups—supposedly pure starting materials sometimes harbor trace metal salts or organic residues. Storage conditions make or break later performance. Some batches absorb moisture more rapidly, requiring special packaging or drying cycles. Rather than ignore these “minor” details, we face them head on because end users feel the impact in downstream studies or product performance. The human element of batch synthesis often means hours of behind-the-scenes adjustment: swapping out filter media, extending recrystallization periods, refining drying parameters, or even retraining staff on critical technique.

    Rarely does a batch reach final QA without tweaks. Having that flexibility and critical eye means each specification isn’t just a line in a document; it represents human judgment, honed by years fighting inconsistencies in scaling up from pilot to full plant size.

    How the Production Scale Changes Everything

    Pilot runs unfold in glass reactors, where temperature swings respond quickly, and technicians can keep a close eye on color, clarity, and viscosity in real time. Scale-up to several hundred liters brings a new set of challenges. Larger reaction masses lag in temperature control. Mixing cannot mimic small-scale turbulence. The entire process slows down, revealing new variables—impeller size, wall effects, and cooling rates all play their part.

    Anyone who has moved from bench to plant scale can relate: what looks perfect in a flask reveals stubborn foaming, caking, or filtration headaches by the drum. Our production engineers often find themselves fine-tuning agitation speeds, solvent choices, and even reactor loading sequences. We rely heavily on operator feedback as well—those on the line catch early signs of trouble, such as unexpected exotherms or trace off-odors, long before numbers hit a report.

    Through repetition and measured adjustment, we settle into process windows that support both product purity and yield. It’s the sort of experience only manufacturers—seeing thousands of kilos pass through their hands—can fully appreciate. Our goal each time remains the same: reach or exceed original pilot results, with rugged reproducibility. Every step is documented, from shifts in supplier raw materials to changes in ambient humidity. Achieving those goals turns hard-won experience into real product value for the customer.

    Authenticity and Traceability—What Real QA Feels Like

    Buyers of 2-Amino-4-N-Ethylsulfonamide Phenol often ask about traceability and genuine in-house production. We take pride in being able to offer chain-of-custody documentation. Our team can point to reactor logbooks, batch sampling results, and archived analytical spectra stored for review upon request.

    Authenticity here isn’t just about marketing. We’ve seen instances where off-grade or relabeled third-party material enters the supply chain. Experienced users start to recognize differences in appearance, solubility, and reactivity—showing why direct sourcing from actual manufacturers matters. Counterfeit or poorly controlled compounds create downstream problems: failed syntheses, variable analytical results, even regulatory headaches. Every label that leaves our plant traces back to a specific batch, processed from verified starting materials under conditions we strictly control.

    The team’s culture rewards accuracy. Each analyst feels the weight of responsibility, knowing researchers or formulators several steps down the supply chain depend on accurate, timely identification of even minor deviations. This vigilance forms the bedrock of our commitment to quality.

    Challenges Unique to 2-Amino-4-N-Ethylsulfonamide Phenol

    Manufacturing this compound presents a few unique challenges that chemists who have truly worked with this family of materials will recognize. The moisture sensitivity and slight volatility of sulfonamide phenols demand careful attention during isolation and drying. Raw materials occasionally arrive with unstable impurity profiles, requiring on-the-spot pretreatment or purification. The phenolic group, though essential to function, brings a tendency to yellow or oxidize under poorly controlled conditions, requiring prompt protection from air and light.

    Filtration remains a sticking point with this particular compound. Filtration rates slow dramatically if crystal morphology shifts during cooling or precipitation. Knowing exactly when to adjust temperature or manipulate solvent ratios becomes an art form earned over many production runs. More than once, we’ve stopped a filtration midway to re-dissolve, cool, and restart, all to preserve yield and purity.

    Packing and storage add another set of hurdles. Material left exposed to air or humidity absorbs moisture and may clump. We address this with double-lined containers, desiccant addition, and clear label instructions for end users. Such seemingly minor steps carry big consequences for material flow and processability.

    Supporting Researchers and Manufacturers—Lessons Learned

    Every real manufacturer builds their own library of lessons that become part of company DNA. We know research users value having access to a reliable intermediate, free from mystery impurities, ready to deploy in method validation or new synthesis work. Full-scale plants demand different things: economically viable material that packs, ships, and processes with minimal surprises on arrival. Both ends of the world demand certainty—a certainty we know only comes from attention to detail, not from shortcuts or batch blending.

    We actively talk with clients about new application requirements. Feedback from a diagnostics group led us to invest in improved particle size control, while another from specialty chemicals asked us to revise drying technique for better handling. These requests give us invaluable insight into applications that no trade journal could provide, and they often push us to rethink old habits. Sometimes the best adjustment comes from listening.

    Why Responsibility in Manufacturing Matters More Than Ever

    Our industry has always balanced cost and throughput against the drive for precision—especially with intermediates like 2-Amino-4-N-Ethylsulfonamide Phenol. Today, we see both customer and regulatory expectation rising for documented origin, purity, and safety. Responsibility no longer means just a certificate, but a living system where deviations flag action, where tracking extends from purchase order to delivered drum.

    The team here addresses these mandates in ways only those with skin in the game can: real-time data logging, deviation analysis, and ongoing operator training. We’ve invested in in-line monitoring and feedback loops with production teams, ensuring that knowledge grows with every run. Unlike simple brokers or middlemen, manufacturers gain a visceral respect for process discipline after watching a week’s production swing on a small oversight. That’s why every label we print represents not just a product, but a story of diligent, hands-on work.

    Future Adaptability—Anticipating Customer and Regulatory Development

    R&D teams and commercial plants alike seem to be reaching for cleaner, more sustainable routes. We keep pace by reviewing process maps and by incorporating more benign solvents and energy savings wherever possible. Internal audits challenge us to keep waste low, batch purity high, and emissions compliant with growing local and international standards. Our field teams regularly visit regulatory forums and application sites, exchanging insights that shape future changes—one compound, one improvement at a time.

    The shift toward greener processing continues to drive new projects in our plant, and sometimes—ironically—forces us to adapt century-old chemistry to the realities of modern safety culture. Success in this arena comes from the combined experience of our engineers, operators, and lab teams, none of whom shrink from learning or teachable mistakes.

    From Our Factory Floor to Your Bench—A Direct Link

    The journey of 2-Amino-4-N-Ethylsulfonamide Phenol starts long before a drum leaves our loading dock. It begins with sourcing quality raw materials, monitored production, and transparent quality checks. Unlike resellers, we hold deep familiarity not only with the chemistry but also the practical details—what crystallization times actually yield optimal product, how subtle impurity corrections tame off-color batches, and why operator hands-on skill can’t be replaced by hands-off oversight.

    Our connection to the end user does not end at shipment. Customer support relies on real context and direct lines of communication. As actual producers, we field technical queries based on facts, troubleshooting on issues like solubility or storage, aware that every answer impacts ongoing projects. Our team shares proven tips for handling, dissolving, or formulating this compound in response to real-world feedback.

    Conclusion: Substance Over Shell

    Having managed the formulation and delivery of 2-Amino-4-N-Ethylsulfonamide Phenol firsthand, we stand behind the principle that the value comes not only from the compound’s molecular makeup, but from a culture of direct, informed, and responsive production. Every gram or kilo delivered traces back to real choices, mistakes learned from, and an ongoing push for excellence in process and quality. Through visible standards, constant attention, and transparent communication, we earn trust batch by batch—transforming a chemical name into a reliable partner for your development and production goals.