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

Hydroxylamine-O-Sulfonic Acid

    • Product Name Hydroxylamine-O-Sulfonic Acid
    • Alias HOSA
    • Einecs 229-199-3
    • 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

    524554

    Chemicalname Hydroxylamine-O-Sulfonic Acid
    Casnumber 2950-43-8
    Molecularformula H3NO4S
    Molecularweight 113.10 g/mol
    Appearance White to off-white crystalline powder
    Meltingpoint 170 °C (decomposes)
    Solubilityinwater Soluble
    Ph Acidic
    Density 1.97 g/cm3
    Odor Odorless
    Stability Stable under dry conditions
    Boilingpoint Decomposes before boiling
    Hazardclass Corrosive, Oxidizer
    Flashpoint Non-flammable
    Storageconditions Keep tightly closed in a cool, dry, well-ventilated area

    As an accredited Hydroxylamine-O-Sulfonic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A white, sealed, HDPE bottle containing 100 grams of Hydroxylamine-O-Sulfonic Acid, labeled with hazard symbols and handling precautions.
    Shipping Hydroxylamine-O-sulfonic acid should be shipped in tightly sealed, corrosion-resistant containers, protected from moisture and heat. It is classified as a hazardous material (oxidizer, corrosive), requiring proper labeling and documentation. Handle with care, wearing suitable personal protective equipment, and comply with all relevant transportation regulations for dangerous chemicals.
    Storage Hydroxylamine-O-sulfonic acid should be stored in a cool, dry, and well-ventilated area away from sources of heat and moisture. Keep it in tightly closed, corrosion-resistant containers, away from incompatible substances such as bases, oxidizers, and reducing agents. Protect from physical damage, sunlight, and humidity to prevent decomposition and hazardous reactions. Store in accordance with local regulations and safety guidelines.
    Application of Hydroxylamine-O-Sulfonic Acid

    Applications of Hydroxylamine-O-Sulfonic Acid in Industrial Manufacturing

    Hydroxylamine-O-sulfonic acid serves as a specialized raw material in a range of chemical production processes, offering targeted reactivity for advanced synthesis, key transformations and high-purity conversions. We support downstream manufacturers by delivering traceable quality, consistent batch integrity, and application-driven technical guidance rooted in extensive production experience. Below outlines main use cases grounded by market demand and compliant with global regulatory frameworks.

    1. Active Pharmaceutical Ingredient (API) Synthesis

    API manufacturers utilize this raw material as a controlled oxime- or amine-generating agent for constructing heterocyclic intermediates central to various drug molecules. Reliable chemoselectivity allows precise functional group transformations required in multi-step syntheses performed at scale. We work directly with pharmaceutical formulators to ensure reproducibility from pilot to commercial run, especially for life science compounds with EU and US market approval objectives.

    Industry compliance standards

    • ICH Q7 GMP Guidelines for Active Substances
    • EU EudraLex Volume 4 Part II: Basic Requirements for API Production
    • US FDA 21 CFR Part 211 (CGMP for Finished Pharmaceuticals)
    • JP Pharmacopoeia (JP), USP, and Ph. Eur. Monograph Adherence

    Typical usage ratio

    • Generally applied at 0.1-1.2 molar equivalents relative to substrate, exact ratio defined by targeted selectivity and scale-up yield optimization per process.

    Downstream process integration

    • Introduced in controlled addition to reaction vessels during amination, oximation, or cyclization steps under inert atmosphere; batch or flow synthesis techniques practiced depending on API target.

    Final product types

    • Pharmaceutical intermediates and advanced building blocks
    • Nucleoside analogs
    • Non-β-lactam antibiotics
    • Antiviral and oncology therapies

    2. Agrochemical Intermediate Production

    Technical-grade batches are supplied to pesticide, herbicide, and plant growth regulator plants requiring nitroso, azide, or amine intermediates. Our process control allows hydroxyamination reactions with minimized byproduct levels, supporting producers targeting high-purity formulations with global regulatory registration. Customers depend on consistent chemical behavior to drive reproducibility in complex agrochemical syntheses and ensure batch release compliance.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 Quality Management System in chemical manufacture
    • REACH Registration (EC No. 1907/2006) for major regions
    • Global GAP and Chinese GB Standards (where applicable)

    Typical usage ratio

    • Typical addition is 0.2-0.9 equivalent per target precursor, adjusted to substrate reactivity and targeted yield constraints.

    Downstream process integration

    • Metered introduction during conversion of halo compounds or ketones to their respective amine/oxime forms; critical stage in manufacturing triazine, triazole, or pyridine system intermediates.

    Final product types

    • Pesticide technical intermediates
    • Herbicide active ingredients
    • Fungicide precursor chemicals
    • Plant growth regulator synthons

    3. Caprolactam Precursor Transformation for Polyamide Manufacturing

    Producers in the polymer industry apply the material as a specific oxime-forming reagent during the cyclization of cyclohexanone to cyclohexanone oxime, setting the stage for caprolactam and subsequent Nylon-6 synthesis. Process control focuses on efficient oxime yields and suppression of nitrogen oxides in emission, ensuring both profitability and environmental compliance for large-scale vertical integration.

    Industry compliance standards

    • ISO 14001:2015 (Environmental Management Systems, emission control)
    • ISO 9001:2015 (Quality Management Systems for polymer intermediates)
    • REACH Annex II requirements for precursor handling
    • Responsible Care Global Charter (International Council of Chemical Associations)

    Typical usage ratio

    • Standard dose: 1.1–1.3 equivalents relative to cyclohexanone input; process optimization may adjust this window for conversion efficiency and cost control.

    Downstream process integration

    • Injected into oximation reactors (liquid phase or gas-liquid) as a key feed during continuous or batch conversion; product subsequently hydrolyzed to caprolactam and refined via distillation and crystallization.

    Final product types

    • Caprolactam
    • Nylon-6 polymer resin
    • Polyamide engineering plastics
    • Fiber-grade monomers for textile manufacturing

    4. Dye and Pigment Intermediate Synthesis

    In colorant manufacturing, this specialty raw material targets selective N-amination or oximation of aromatic cores to generate key intermediates for high-performance dyes and pigments. Downstream producers benefit from controlled reactivity, minimized side-product formation and streamlined wastewater management. Integration enhances reproducibility in pigment crystallinity and tonality, supporting textile, ink, and industrial coatings supply chains.

    Industry compliance standards

    • OEKO-TEX Standard 100 (restricted substance list for dyes and auxiliaries)
    • ISO 9001:2015 (Colorant manufacturing)
    • Zero Discharge of Hazardous Chemicals (ZDHC) MRSL for dyes
    • European REACH regulatory compliance for dye intermediates

    Typical usage ratio

    • Applied in 0.1–0.5 mole ratio to target aromatic substrate, with precise amount dependent on desired conversion and shade integrity requirements.

    Downstream process integration

    • Added during early-stage amination or oximation of aromatic bases; followed by condensation, diazotization, or coupling steps under controlled temperature and pH.

    Final product types

    • Reactive dye intermediates
    • Naphtol pigments
    • Triphenylmethane-based colorants
    • Textile dyes and printing ink components

    5. Semiconductor and Microelectronics Etching Processes

    High-purity grades enter the electronic chemical sector during selective oxide etching and wafer cleaning applications. The material enables fine-tuned nitrosation and hydroxylation of metal and semiconductor surfaces, with stringent trace metal control and particle size distribution. Customers require documentation for QC traceability and assurance to meet the defect density and electrical properties demanded in advanced microchip and photovoltaic fabrication lines.

    Industry compliance standards

    • SEMI C59-0915 (Specifications for Wet Process Chemicals)
    • IEC 60749-1 for semiconductor device processing
    • IATF 16949:2016 (Automotive electronics supply chain)
    • RoHS Directive (2011/65/EU) substance restrictions

    Typical usage ratio

    • Applied at 50-500 ppm in dilute aqueous or mixed acid baths, fine-tuned to etch uniformity, temperature, wafer feature size, and bath turnover rate.

    Downstream process integration

    • Dosage controlled online as component of post-patterning wafer cleaning, selective oxide layer etching, and in final finishing prior to device assembly.

    Final product types

    • Semiconductor wafers (CMOS/IC)
    • Solar photovoltaic cells
    • Printed circuit board (PCB) substrates
    • Microelectromechanical systems (MEMS) devices
    Free Quote

    Competitive Hydroxylamine-O-Sulfonic Acid 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

    Hydroxylamine-O-Sulfonic Acid: Advanced Solutions From the Chemical Bench

    Direct Insights From Years of Synthesis and Application

    Every time we lift a batch of Hydroxylamine-O-Sulfonic Acid from the reactors, the team witnesses a compound that has built its reputation not just on formula but on honest, consistent results in the field. Our daily familiarity with this white crystalline powder goes far beyond the raw numbers stamped on drums. We see how its molecular stability and unique properties deliver clean, decisive performance across several industries, especially in the nuanced spaces where many reducing and aminating agents fall short.

    Consistent Quality, Precise Control

    Hydroxylamine-O-Sulfonic Acid takes shape in our facility under careful monitoring, tight filtration, and strict moisture control. Impurities disrupt sensitive reactions, so we insist on manufacturing with low iron and heavy metal content, target a purity of 99% minimum, and test every lot against global standards. We know labs need assurance that every sack will do its job without introducing unknowns. Our focus on granule size, homogeneous texture, and steady supply means you get a material that blends predictably and dissolves with clarity, not cloudiness.

    Beyond Simple Sulfonation

    After over a decade running synthesis lines, we’ve watched demand for Hydroxylamine-O-Sulfonic Acid migrate from commodity intermediates into highly specific sectors. In pharmaceutical R&D, formulators choose our product instead of direct hydroxylamine or common sulfonic acid solutions. The reason speaks through the results—less byproduct, higher amination selectivity, and milder conditions even with sensitive substrates.

    Synthetic chemists use Hydroxylamine-O-Sulfonic Acid for oxime formation and as a reliable aminating agent. Its reactivity surpasses many traditional aminating agents, especially for key steps in heterocycle construction or the installation of primary amines under mild pH. Our facility’s output often heads next to dyestuff or pigment manufacturers, who rely on it for cleaner color development and higher conversion rates than with ammonia derivatives or sodium sulfite blends.

    A Safer, More Managed Alternative

    Plant experience has shown us that Hydroxylamine-O-Sulfonic Acid travels with fewer stability problems than heavy reducing equivalents. Where hydroxylamine hydrochloride demands constant attention to temperature and container integrity, our sulfonated variant brings a more manageable safety profile. You get a compound stable at ambient temperatures for defined periods, less sensitive to shock or decomposition when compared with unprotected hydroxylamine or sodium azide.

    Cost control managers often ask about value versus more familiar agents. The answer appears in reduced waste streams and faster clean-up. Less odor and fume in the reactor bay, fewer corrosion challenges on metal fittings—in plants that transitioned from sodium nitrite or plain hydroxylamine, accident rates and reruns declined. Operators spend less time triple-checking environmental controls and more time running consistent output.

    Real-World Handling and Storage Perspectives

    We advise customers not just based on standard protocol, but from hands-on experience stacking, repackaging, and blending Hydroxylamine-O-Sulfonic Acid in house. Shifting bulk across four seasons, we’ve tested packing linings and found which keep the powder free-flowing even when regional humidity spikes. Storage in sealed polyethylene-lined fiber drums preserves color and grain better than plain paper sacks, while controlled ventilation ensures no off-odors linger near the warehouse.

    Our own safety crews use persistent ventilation in storage and no open flame within reach. Regular inspection keeps moisture out and eliminates caking, which can slow down flow during weighing. These lessons emerged after years of running full-scale tanks in fluctuating climate conditions, where airborne water vapors proved the biggest threat to long-term stability. We suggest recipients follow these patterns, as issues build up gradually: a little condensation leads to clumping, and small lapses in hygiene show up downstream.

    Differences From Other Aminating and Reducing Agents

    Chemists often compare Hydroxylamine-O-Sulfonic Acid to ammonium sulfate, hydrazine, or straight hydroxylamine salts. We see fewer unnecessary side-reactions and better nitrogen-yield ratios with the sulfonic acid version in both small-scale and plant-sized batches. Sensitive substrates that darken or degrade with rougher amination agents hold their form longer, maintaining intended yields.

    Switching from hydrazine hydrate, for example, removes persistent toxicity hazards and cost tied to ventilation and personal protection. Replacement of sodium sulfite and similar traditional bleaches with our material upgrades neutralization profiles and lets production move at ambient or gently heated conditions instead of pushing toward extremes.

    Experience-Driven Applications

    At our site, we track how end-users select Hydroxylamine-O-Sulfonic Acid for pharmaceutical, agrochemical, and specialty pigment synthesis. In pharma API lines, chemists report fewer polysulfonate byproducts than from cheaper, mixed-source sulfonic acids. This translates to easier downstream purification and cost savings on chromatographic steps. In pigment plants, the solid’s rapid dissolution in cold water gives a more reliable feed to reactors.

    In metal finishing, the oxidative edge of this compound assists complex plating baths where standard reducers lead to non-uniform film thickness or lost gloss. Textile dye houses feed Hydroxylamine-O-Sulfonic Acid to vats aiming for strong hues without aromatic amine carry-over. The same properties that improve yield also cut waste, which helps meet modern environmental discharge standards.

    Addressing Industry Concerns Through Ongoing Practice

    The first impression of Hydroxylamine-O-Sulfonic Acid often centers around its classification as a specialty chemical with stricter handling. We’ve lived that reality. Decades moving thousands of drums, we know where issues arise—not just from the compound’s own risk profile but from lax procedures and uneven supplier quality.

    In our experience, a strong practical safety program beats a desk policy every time. Dedicated handling lines, mandatory dry transfer, and in-building humidity detectors prevent avoidable incidents. Every staff update retrains on not mixing residual traces with incompatible agents. Even as an upstream manufacturer, we track incident rates and share learning both up and down the chain. We’ve noticed that improvements in our plant—such as the shift to sealed, lined storage—often mirror what our most demanding customers implement on their end, leading to shared efficiency and risk reduction.

    Moving Forward Toward Greener Chemistry

    As environmental regulations drive demand for low-toxicity, fully decomposable intermediates, Hydroxylamine-O-Sulfonic Acid stands out due to its manageable decomposition profile. Our own wastewater treatment experiments show that after reaction, it breaks down to less hazardous forms, making downstream neutralization more feasible than is the case for many halogenated or metallic alternatives.

    We interact regularly with research groups working on further reducing waste and emissions during amination and oxime steps. Our technical engineers collaborate to design in-line sensors that catch deviations before they trigger off-spec batches, minimizing side reactions and slashing remake costs. These real-world checks, more than theoretical modeling, bring reliability to scale-up and production runs. Nothing compares to watching a full-scale plant reduce both solvent use and solid waste output by moving from legacy aminating agents to well-controlled, high-purity Hydroxylamine-O-Sulfonic Acid.

    Choosing the Right Specifications

    Through hands-on problem-solving with hundreds of clients, we’ve recognized that a generic approach doesn’t suit every operation. Some partners in pharmaceutical synthesis run pilot lots with tighter impurity specs and need quick response on trace metal content; pigment makers may want consistent particle size for dust reduction; surface finishers chase high reactivity. Our plant incorporates feedback by tailoring granulation and drying cycles, upgrading packaging integrity, and investing in more precise impurity analytics. We think every shipment should match the customer’s operational pace and not force a compromise on process parameters just to fit a standard form.

    A recent trend involves requests for eco-friendly or “greener” labeling. Since Hydroxylamine-O-Sulfonic Acid naturally omits halogenated byproducts and leaves little heavy metal residue, it often matches evolving benchmarks without extra post-processing. By focusing on this compound, companies inside strict regulatory jurisdictions, especially in Europe or North America, are able to maintain certification for responsible production while improving throughput.

    Supporting Transition Away From Hazardous Reagents

    Decades spent operating on two continents taught us that transitions aren’t just about swapping a sticker on a barrel. Our technical support teams have stood beside clients migrating from high-risk aminating agents such as hydrazine or sodium azide. We’ve watched site engineers test batch runs, tuning pH profiles and stirring rates, and learned which dosing schedules keep reaction windows tight without risking runaway byproducts. This hands-on troubleshooting has produced a body of best-practice knowledge we share back into product development. Our own trials in continuous reactors taught us which antistatic measures prevent powder sticking under high-shear mixing, especially during rapid scaling.

    One striking observation is that, despite all the advances in process automation, the most critical variables come down to material handling on the floor. Each time a seasoned operator points out a caked valve or a mislabeled transfer line, it reminds us that chemistry advances at the pace of practical know-how.

    Hydroxylamine-O-Sulfonic Acid in Specialized Chemistry

    Fine chemical producers turn to our material for crafting intermediates that require precise nitrogen insertion—a task where brute-force nitration or amide chemistry falls short on both yield and selectivity. In the research lab, chemists find its predictable performance superior during nitrosation, azide replacement, and N–O bond formation for complex molecules. We directly support these applications by offering technical guidance on dosing and temperature regimes refined over years of plant-lot scale-up.

    Academic teams exploring novel synthetic pathways also check in for current analytical profiles, so they know exactly which trace ions or organics to monitor for in downstream purification. We keep batch records accessible and share our material handling SOPs so researchers never walk blindly into a new reaction setup.

    Supply Chain Dependability: Lessons From the Field

    Sourcing Hydroxylamine-O-Sulfonic Acid direct from a manufacturer brings clarity and consistency that brokers and middlemen cannot guarantee. Our teams handle logistics, check paperwork as barrels ship, and monitor weather patterns to avoid transport delays or temperature excursions that could degrade product. Remembering a severe regional flood one summer, we rerouted stock, informed customers before they received out-of-spec goods, and tested stock still in transit. Reliable supply isn’t just a comfort; it's business continuity, especially for sectors requiring 24/7 turnout. Our job doesn’t finish at the loading dock—it continues through every customer run until the last gram is accounted for.

    Continuous Feedback Loop—Partnering for the Future

    Our engineering staff collect feedback on Hydroxylamine-O-Sulfonic Acid performance under real-world conditions, adapt batch protocols, and update customer guidelines yearly. This real-time loop means product modifications are grounded in process data and operator reports, not just raw theoretical models. For example, several dye facilities reported clogging during monsoon season; we adjusted the grain size and packaging lining, which cleared the bottleneck and let shipments move smoothly through changing climates. Sharing insights from the floor up, we avoid bureaucracy and keep the focus on results.

    Clients challenge us to innovate—a request that has driven us to refine synthetic routes, improve dewatering, and introduce safer reactor cleaning cycles. Hydroxylamine-O-Sulfonic Acid continues to earn its place as a staple because our teams respond to process realities as they arise, not after production losses accumulate.

    Clear-Cut Value in Competitive Markets

    Price pressure plays out across our sector year after year. The impulse to cut corners with off-brand or reclaimed aminating agents can tempt even the most strategic buyers. We encourage partners to weigh that cost against documented benefits—faster settlement of reaction mixtures, less cleanup, fewer erratic batches, and smoother reporting to regulatory bodies. The reduction in unplanned downtime or recall ties directly to the use of high-purity Hydroxylamine-O-Sulfonic Acid, something our plant statistics confirm every month.

    Time and again, clients return after trial runs with generic alternatives, citing stripping inefficiencies or downstream compatibilities. A single day lost on a pigment or drug line can burn through any savings from lower-priced supply. Reliable partners keep processes humming, which earns loyalty in this industry much more than a slight discount here and there.

    Staying Rooted in Practical Manufacturing Wisdom

    Our experience as a direct manufacturer grounds the value of Hydroxylamine-O-Sulfonic Acid in more than abstract chemical properties. We develop product and process alongside clients, learning which tweaks shave minutes off changeovers and which safety measures matter day after day. We know equipment quirks, storage challenges, and the relentless drive to hit targets under pressure. All this builds into the product as it leaves our site and lands on yours, ready for the next solution, the next batch, the next challenge faced together.