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HS Code |
904900 |
| Productname | Hydroxylamine Sulfate |
| Chemicalformula | (NH2OH)2·H2SO4 |
| Casnumber | 10039-54-0 |
| Molarmass | 164.14 g/mol |
| Appearance | White crystalline solid |
| Solubilityinwater | Very soluble |
| Meltingpoint | 170 °C (decomposes) |
| Odor | Odorless |
| Density | 1.88 g/cm³ |
| Ph | 3 (50 g/L, H2O, 20°C) |
| Stability | Stable under recommended storage conditions |
| Hazardclass | 6.1 (Toxic substance) |
As an accredited Hydroxylamine Sulfate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Hydroxylamine Sulfate, 500g, supplied in a tightly sealed, HDPE bottle with clear hazard labeling and tamper-evident cap. |
| Shipping | Hydroxylamine sulfate should be shipped in tightly sealed containers, away from heat, sparks, and incompatible substances such as strong oxidizers. It must be handled as a hazardous material, following regulations for toxic and potentially explosive chemicals. Transportation should ensure protection from moisture and physical damage, with appropriate hazard labeling and documentation. |
| Storage | Hydroxylamine sulfate should be stored in a cool, dry, well-ventilated area away from heat, sparks, open flames, and incompatible materials such as strong oxidizers and acids. Keep container tightly closed, protected from physical damage, and out of direct sunlight. Use only non-sparking tools. Store away from combustible materials and moisture to prevent decomposition or hazardous reactions. |
Applications of Hydroxylamine Sulfate in Industrial ManufacturingOur in-house produced Hydroxylamine Sulfate supports critical processes in select value chains that demand reliability, regulated formulation, and consistent performance. Working with global downstream partners, we ensure tight compliance with application-specific requirements while enabling advanced manufacturing processes across the following sectors. 1. Caprolactam Production for Nylon ManufacturingCaprolactam synthesis, essential for nylon 6 production, utilizes hydroxylamine sulfate as a reducing agent in the purification of cyclohexanone oxime intermediates. Manufacturers must maintain strict parameter controls to achieve high-purity caprolactam, directly impacting polymer yield and mechanical properties of the resulting nylon fibers and resins. Industry compliance standards
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2. Pharmaceutical API and Intermediate SynthesisPharmaceutical manufacturing draws on hydroxylamine sulfate for oxime and hydrazine formation steps, vital in the preparation of antibiotics, antivirals, and CNS medications. Quality demands in this sector prioritize low residuals, controlled particle size, and traceability for batch certification. Industry compliance standards
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3. Electronic Chemicals: Photoresist and Semiconductor Etchant FormulationIn semiconductor fabrication, manufacturers use hydroxylamine sulfate for photoresist stripping and metal ion removal. Its high reactivity must be paired with semiconductor-grade purity to prevent trace contamination that impacts wafer yield and device reliability. Industry compliance standards
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4. Agrochemical Formulation: Synthesis of Pesticide IntermediatesHydroxylamine sulfate plays a key role in agrochemical synthesis where oxime and hydrazine intermediates are precursors for active ingredients in herbicides and fungicides. Traceability, formulation stability, and impurity profile remain critical for downstream formulation of crop protection agents. Industry compliance standards
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5. Water Treatment: Oxygen Scavenger AgentIndustrial water treatment operations utilize hydroxylamine sulfate as a dissolved oxygen scavenger to prevent corrosion in boiler and recirculation systems. Customers specify this raw material for regulated environments where hydrazine alternatives face limitation due to rising workplace safety controls. Industry compliance standards
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Manufacturing chemicals comes with responsibility. Decades of handling hydroxylamine sulfate have shown that precision and process control make all the difference. Inside our facility, rows of reactors hum, driven by thorough operational checks and human vigilance. We shape each batch to match the demands we have faced from plating shops, pharmaceuticals, and water treatment technicians. Hydroxylamine sulfate has earned a reputation for reliability because careful management, starting from raw material selection, avoids quality drift and keeps processes stable for our customers. Every shipment tells the story of batch records, operator skill, and a commitment to meeting real-world industry challenges.
Users care more about actual performance than marketing phrases. Most of the time, buyers expect Hydroxylamine Sulfate as colorless or white crystals, free from obvious impurities. We offer a technical grade that manages even tough reduction applications where trace metals or excess acidity might matter. Our production can deliver consistent strength—usually above 99% purity—because process control beats shortcuts. Sulfate content and particle sizing vary based on end-use feedback, whether someone is running fine-grained electronics baths or mixing bulk water reagents.
Our standard model relies on practical assay and moisture targets, not just chemistry textbook definitions. The focus stays on reducing risk for the operators at the other end of the pipeline, where a meter-wide margin on active content or unwanted residue leads to extra downtime and wasted reagents. Real-life requirements set our benchmarks, not just what can be achieved in a lab glass.
We learn fast when our product enters a chemical plating bath or flows into a synthesis reactor. Plating facilities often rely on hydroxylamine sulfate to maintain strict control during metal reduction, especially in processes where even small drifts in concentration upset the balance and cause failed batches. Whether it is stripping copper from circuit boards or depositing metal films, operators watching for haze, pitting, or surface roughness trust the product to deliver steady performance.
In pharmaceutical synthesis, we pay special attention to chemical purity and residual sulfate, because too much sulfur content or unwanted trace contamination can throw off a delicate organic reaction. Many chemists have told us that consistent batch-to-batch quality stands between a successful pilot run and batches that get scrapped. Hydroxylamine sulfate helps synthesize APIs, vitamin intermediates, and other fine chemicals by reducing nitro compounds or acting as a mild reducing agent.
Water treatment professionals choose hydroxylamine sulfate when dissolved oxygen and chlorine levels demand careful adjustment. The compound plays a role in dechlorination and oxygen scavenging, where rapid and complete reaction without residue keeps the plant in compliance. Here, neither bulk price nor high purity alone matters; the key is performance under real, large-scale process demands.
We heed feedback from textile, photographic, and specialty chemical users as well. For textiles, reduction of color-causing impurities hinges on reagent quality. In the photographic industry, especially old-school black-and-white developers, the minimal iron and other heavy metal content of our batches prevents staining or reduction artifacts from showing up in high-sensitivity emulsions. Each industry brings a new set of rules, but they all insist on repeatable quality.
Every manufacturing operator has their own war stories. Hydroxylamine sulfate handles as a solid crystal or powder with less dust than some alternatives. It holds up well to ordinary light and ambient temperatures, though moisture control always makes a difference. Storing the material in sealed drums—sometimes with liners to buffer any swing in humidity—extends shelf life. Lumps or caking have taught us to pre-dry air lines and use anti-caking controls on packaging lines, particularly in coastal or monsoon climates where humidity sneaks into every opening.
Safety remains a constant focus. Hydroxylamine compounds call for gloves and good ventilation, because dust or mist can irritate skin or airways. We keep an eye on container seals and secondary containment, since runaway oxidation in the presence of strong acids or alkalis has caused more than one storage headache industry-wide. Good manufacturing practice includes periodic air monitoring and worker safety.compliance.
People often ask why hydroxylamine sulfate fits applications better than other reducing agents or why it is chosen over plain hydroxylamine hydrochloride. Hydroxylamine sulfate offers more stability for storage and transport. Unlike the hydrochloride, sulfate-based product handles less like an oxidizer, more like a stable bulk reagent. We learned from years of shipping both that moisture uptake and clumping hit hydroxylamine hydrochloride faster. Sulfate salt forms resist atmospheric moisture better and yield less acidic by-products.
Sodium hydrosulfite can reduce as well, but experience has taught us it breaks down quickly in air and struggles to perform outside strict pH controls. Iron(II) sulfate and tin(II) chloride reduce certain substrates but introduce unwanted metal contamination, especially problematic in electronics and pharmaceutical manufacturing. We continue to hear from production managers facing yellowing, surface deposits, or filtration headaches caused by trace iron and tin from these alternatives.
Hydrazine remains stronger pound-for-pound but is much more hazardous. Complex permitting, serious toxicity, and heightened explosion risk keep most users away from hydrazine unless nothing else will do. Hydroxylamine sulfate fills the gap when moderate reduction strength, solid handling, and overall safety balance out cost and risk.
Some prefer sodium bisulfite or other sulfur-bearing reducers, but in our experience, by-products contaminate water streams or final products, forcing extra cleanup and raising regulatory red flags. Hydroxylamine sulfate provides a softer touch: fast enough for batch processes, firm enough for continuous feed, but without by-products that disrupt downstream operations.
Hydroxylamine hydrochloride delivers higher reactivity at low cost, which works for certain textile or photographic reduction steps, especially in tightly controlled lab settings. But for most large-scale, operator-run processes, sulfate’s better shelf stability and process control tip the balance. The sulfate form does not corrode equipment or drive up maintenance bills as fast as the chloride, particularly in plants using stainless steel or nickel components.
Long experience shows that troubleshooting starts with knowing raw material origins and every nuance of our own process. Even tight technical specifications mean nothing if incoming supplies shift unexpectedly. Several years ago, a sudden bump in sulfate ion impurities traced back to a small change in supplier filtration methods. Our laboratory caught the deviation fast, but it underscored a lesson burned into every chemical producer’s mind: never assume consistency upstream. We run batch testing and process checks for every load. Any out-of-range sample brings operations to a standstill until root cause analysis digs up the culprit—instrument drift, raw material variance, or even a forgotten process vent procedure.
Our quality engineers constantly look for batch-to-batch variance, crystallinity issues, particle sizing, and trace contamination with iron, chloride, or organic by-products. No one notices a 0.2% swing on a lab bench, but in a plating bath or kilo-scale synthesis reactor, even minor drift drives up failure rates. Some customers pushed for tighter controls after field failures exposed problems with competing products: incomplete dissolution, off-color slurries, or precipitation on storage. We adjusted drying stages, improved sieve mesh sizes, and stepped up in-house training on final handling. Success comes from experience and a willingness to shore up practice, not slogans or blanket assurances.
Shipping lines sometimes flag our drums for off odors or container distortion. We traced a rare batch of caked material to a stevedore storing drums upside down in a leaking warehouse. The fix wasn’t just tighter drums; we redesigned our labels and briefed every downstream handler—dock workers, shipping clerks, warehouse operators—on the quirks that make our chemical reliable in the field. The most robust quality programs start with us and ripple through the entire chain to the worker pouring crystals into a reaction tank.
Like any chemical outfit, we get routine calls about environmental and regulatory compliance. We field questions on how hydroxylamine sulfate affects wastewater discharge, shelf life, compatibility with downstream biotreatment, and worker exposure risk. Recent years brought stricter rules on sulfate loads in water, driving some regions to ask for alternate packing, improved dose metering, and tighter process controls.
As manufacturers, we don’t pass the buck. Our environmental compliance team works with plant operators to review MSDS guidance, local emission limits, and safe work procedures. We supply full supporting documentation for all batches, stamped and traceable to production tanks, not just stock phrases. Any user facing scrutiny from local authorities gets the benefit of our direct production records, not just hand-waving from intermediaries.
We have updated packaging to minimize leakage risk and switched to high-integrity drum linings to cut residual contamination. Experience reminds us that even trace leaks matter—one stained loading dock can invite closer regulatory attention than a hundred good deliveries. Waste minimization led us to recover off-spec batches for reprocessing, not dumping, and to monitor all rinse water and clean-out fluid from our production lines.
Stories from the shop floor have taught us that safety posters alone cannot prevent mistakes. We conduct regular walk-throughs, practical spill response drills, and focus groups with every operator handling hydroxylamine sulfate. Process lines include anti-static devices and fume extraction hoods in areas where dust must be managed. For every new project, we walk customers through site-specific recommendations—floor matting, neutral pH cleaning solutions, and spill response kits on hand.
We lean on direct communication to reduce accidents. Labels use simple, direct language—no jargon and no buried cautions. Our customer service line puts real plant engineers on the call, people who have spent years in boots, not just reading regulatory manuals. Problems have ranged from minor—stubborn drum seals or slow flow from gravity bins—to major, like mislabeling that once resulted in cross-contamination with another reducing agent. Our protocol now includes dual sign-off and color-coded container systems. Every incident leads to a process revision, shared with all customers through technical bulletins, not buried in mailing lists no one reads.
Hydroxylamine sulfate has a learning curve, like any specialty chemical. Companies new to the compound start with test lots and on-site guidance. Experienced users rely on us for documentation or refresher training, especially when regulations change or a new batch technician starts. Each stakeholder, from forklift operator to process chemist, needs a clear understanding of what makes the product tick in their workflow.
Nobody in our industry can coast on old habits. In the last five years, new electroplating trends, cleaner water discharge standards, and finer pharmaceutical synthesis controls put added pressure on every chemical input. Hydroxylamine sulfate remains relevant because we invest in better control and customer feedback. Suggestions from industrial users pushed us toward greener production methods: using purer nitrogen sources, recycling mother liquors, and squeezing down emissions from drying and packaging rooms.
Bench chemists, line operators, and environmental engineers influence our priorities. We run routine customer audits and invite feedback on unexpected failures, process snags, or cost bumps tied to raw material swings. Innovations like closed-loop nitrogen capture and automated crystallization controls sprang up as direct responses to customer requests. We keep improving with them, not in isolation.
We notice more crossover between old and new hydroxy chemistry. Pharmaceutical labs now ask about micronized and spray-dried forms to match stricter dissolution times. Electronics manufacturers want batch-specific trace metal maps for every truckload. Water treatment operators press for lower sludge generation and novel blending options. We treat these requirements as a source of challenge, not complaint.
The next few years will no doubt bring more regulatory paperwork and steeper quality benchmarks. We stand ready to meet them, using the same direct, practical approach that kept hydroxylamine sulfate at the core of critical industry operations for decades.
Each customer story shapes how we see our own product. One long-running metal finishing line wrote to thank us for slashing batch failure rates with our tighter assay controls. Another water utility noticed fewer hiccups after we switched to moisture-barrier drums. A pharmaceutical tech, working late on a tricky reduction reaction, solved a purity issue after we traced a residue problem to minor supplier changes.
These lessons play out every week, reminding us the real judges of our product are people leaning into reactors, stirring tanks under hoods, or elbow-deep in filter cake. The chemical plant cannot afford surprises or shortcuts, and neither can we. We remain committed to clear communication, open-book quality assurance, and continuous investment in production and safety. Hydroxylamine sulfate represents not just a compound or a label, but decades of teamwork between chemical producers and industrial partners, quietly shaping performance at every link in the supply chain.