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Salicylhydroxamic Acid

    • Product Name Salicylhydroxamic Acid
    • Alias SHAM
    • Einecs 210-133-6
    • 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

    268517

    Chemical Name Salicylhydroxamic Acid
    Molecular Formula C7H7NO3
    Molecular Weight 153.14 g/mol
    Appearance Pale yellow crystalline powder
    Melting Point 180-182 °C (decomposes)
    Solubility In Water Slightly soluble
    Cas Number 89-73-6
    Pka 8.5
    Synonyms SHA; SHAM; Salicylanilide oxime
    Usage Urease inhibitor, enzyme inhibitor
    Storage Temperature Room temperature
    Hazard Classification Irritant

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

    Packing & Storage
    Packing Salicylhydroxamic Acid packaged in a 25g amber glass bottle, tightly sealed, labeled with chemical details, safety information, and handling instructions.
    Shipping Salicylhydroxamic Acid is shipped in tightly sealed containers, protected from light, moisture, and heat. The packaging complies with safety regulations for chemicals, using appropriate labeling and hazard identification. Transportation follows guidelines for handling hazardous materials to ensure safe and secure delivery, preventing contamination or accidental release during transit.
    Storage Salicylhydroxamic acid should be stored in a tightly closed container in a cool, dry, and well-ventilated area, away from incompatible substances such as strong oxidizing agents. Protect it from light and moisture. Store at room temperature, ideally between 15–25°C (59–77°F), and ensure it is clearly labeled to prevent accidental misuse or exposure.
    Application of Salicylhydroxamic Acid

    Applications of Salicylhydroxamic Acid in Industrial Manufacturing

    As a direct manufacturer of Salicylhydroxamic Acid, we supply this specialty raw material for critical applications that rely on its chelating and inhibitory properties. Below, we detail the primary downstream segments where our material is implemented, including technical guidance on formulation, regulatory context, integration in process workflows, and resulting finished products delivered to end markets.

    1. Mineral Processing Reagents (Flotation Aids)

    Salicylhydroxamic Acid serves as a collector for the selective flotation of rare metal oxides, especially in the beneficiation of tin, tungsten, and tantalum ores. Ore enrichment plants dose it during pulp conditioning to enhance selectivity in froth flotation, enabling the efficient separation of targeted metal oxides from gangue minerals. This material’s process function directly impacts concentrate grade and tailings loss, requiring precise quality control and compliance with environmental residue limits in effluent processing systems.

    Industry compliance standards

    • ISO 14001:2015 Environmental Management Systems
    • GB 50222-95 National Standards for Flotation Chemical Use (China Nonferrous Metals)
    • EPA 40 CFR Part 261: RCRA Hazardous Waste Management
    • REACH Regulation (EC) No 1907/2006 for import to EEA

    Typical usage ratio

    • Common application range: 50–400 g/t ore, adjusted based on ore mineralogy and process water composition. Higher dosages are used for low-grade or refractory ores, while lower additions suit high-grade concentrates.

    Downstream process integration

    • Added to flotation pulp immediately following grinding and pH adjustment; mixed under agitation prior to introduction of secondary collectors and frothers; compatibility checked with existing reagent suite.

    Final product types

    • Tin concentrate (cassiterite)
    • Tungsten concentrate (wolframite, scheelite)
    • Tantalum concentrate (tantalite, columbite)
    • Mixed rare earth concentrates

    2. Industrial Water Treatment (Urease Inhibition)

    The material functions as a specific inhibitor of microbial urease enzyme activity, preventing urea hydrolysis within industrial cooling water circuits. Formulations utilizing this compound provide targeted biofouling control in closed recirculation and open evaporative cooling systems, mitigating ammonia formation and scale deposition. Users must comply with occupational hygiene standards and established maximum residue limits when discharging treated water into municipal or natural waterways.

    Industry compliance standards

    • ASHRAE Standard 188: Legionellosis Risk Management for Building Water Systems
    • OECD Guidelines for Chemical Safety in Water Treatment
    • EU Biocidal Products Regulation (BPR, Regulation (EU) 528/2012)
    • OSHA 29 CFR 1910.1200 Chemical Hazard Communication

    Typical usage ratio

    • Standard dosage: 0.5–3.0 ppm (mg/L) based on total system water volume. Actual concentration selected based on biological load, water composition, and system turnover rate.

    Downstream process integration

    • Dosed continuously or in shock treatments at the inlet of system reservoirs or directly at recirculation pumps. Ensured homogenous distribution via automated dosing pumps and real-time monitoring of urea and ammonia levels.

    Final product types

    • Pre-formulated anti-biofouling treatment blends (cooling water chemicals)
    • Industrial closed-loop system maintenance fluids
    • Treated effluent released to municipal wastewater systems

    3. Clinical Diagnostic Reagent Production (Urease Inhibition Controls)

    For manufacturers of in vitro diagnostics, this compound acts as a necessary negative control and quality system reagent in enzymatic assays targeting urea or ammonia. Its well-defined inhibitory effect allows diagnostic kit suppliers to verify specificity in clinical chemistry analyzers and automated test platforms, ensuring traceability and performance through established international standards covering medical devices and laboratory chemicals.

    Industry compliance standards

    • ISO 13485:2016 Medical Devices—Quality Management Requirements
    • Pharmacopoeia Europaea (Ph. Eur.)—reagent grade quality specifications
    • US FDA 21 CFR 820—Quality System Regulation for Medical Devices
    • CLSI EP05-A3—Evaluation of Precision of Quantitative Measurement Procedures

    Typical usage ratio

    • Working concentration: 0.02–0.2 mmol/L in reaction mixtures. This is optimized to fully suppress urease activity without interfering with parallel reactions in the multi-component diagnostic panel.

    Downstream process integration

    • Introduced during the wet-blend stage of liquid reagent kit manufacturing or pre-formulated within lyophilized quality control vials. Integrated under GMP-controlled environments with documented batch-to-batch traceability.

    Final product types

    • Serological test kits for urea/ammonia quantification
    • Clinical autoanalyzer reagents (IVD use only)
    • Reference standards for laboratory quality control

    4. Pharmaceutical Formulations (Adjunct in Helicobacter pylori Diagnostics)

    In the pharmaceutical sector, urease inhibitors derived from Salicylhydroxamic Acid support urease breath test reagents for non-invasive detection of Helicobacter pylori infection. These formulations demand rigorous control over excipient purity, residual solvent levels, and compliance with compendial standards governing active ingredients used in diagnostic pharmaceuticals. Manufacturers carefully calculate input ratios based on test kit dose requirements and pharmacokinetic data.

    Industry compliance standards

    • Pharmacopoeia of the United States (USP) Monograph for Analytical Reagents
    • ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • 2016 Chinese Pharmacopoeia Quality Specifications for Diagnostic Agents
    • EudraLex Volume 4: GMP Guidelines for Medicinal Products

    Typical usage ratio

    • 0.5–5 mg per test dose, with precise calibration based on validated diagnostic test methodology and country-specific product registrations.

    Downstream process integration

    • Weighing, blending, and micronization occur under GMP conditions before encapsulation or filling into diagnostic solution vials, followed by sterilization and stability testing per registered dossier requirements.

    Final product types

    • Urease breath test substrate capsules
    • Liquid oral substrate solutions for diagnostic use
    • Commercial H. pylori test kits for hospital laboratories

    5. Scientific Research and Analytical Chemistry (Model Enzyme Inhibitor)

    Biochemical research laboratories and specialty reagent suppliers leverage Salicylhydroxamic Acid as a benchmark inhibitor in urease inhibition kinetic studies and related biocatalysis research. We provide consistent material specification and analytical purity to meet method validation standards, ensuring the compound supports publishable results and reproducibility for regulatory submissions or technology transfer work.

    Industry compliance standards

    • ACS Reagent Grade Standards
    • ISO/IEC 17025:2017 General Requirements for Testing and Calibration Laboratories
    • Good Laboratory Practice (GLP) Regulations, 21 CFR Part 58
    • EU Regulation (EC) No 1272/2008 CLP Classification

    Typical usage ratio

    • Laboratory screening: 10–1000 μM final concentration in in vitro assays; typically selected by principal investigator depending on enzyme/protein load and specific kinetic parameters under study.

    Downstream process integration

    • Dissolved into assay buffer during manual or automated pipetting; may be pre-diluted for high-throughput screening applications in microplate formats; QC by HPLC or UV-Vis spectrometry for identity and concentration verification.

    Final product types

    • Biochemical assay kits
    • Ready-to-use research reagents for enzyme inhibition
    • Validated reference samples for contract research organizations
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    Certification & Compliance
    More Introduction

    Salicylhydroxamic Acid: Behind the Scenes at the Plant

    Production Experience and Realities

    Every batch of Salicylhydroxamic Acid that leaves our facility reflects what it means to work straight from raw material through finished product. Unlike many specialty chemicals, Salicylhydroxamic Acid keeps no secrets on the factory floor: the whole process – from selection of compliant salicylic acid to the final step of hydroxyamination – exposes what attention to detail can actually do. Non-stop temperature monitoring, gentle solvent introductions, and strict air quality control set the tone every hour. Technicians walk the reactor floor scanning for signs like pH shifts and subtle changes in suspension as confirmation that reactions stay on track. Because scaling up from bench to plant means real chemistry, we rely on analytical checkpoints scattered across production, not just one big test at the end.

    Our longstanding history handling aromatic compounds turns into an advantage with Salicylhydroxamic Acid. You notice right away that, compared to some benzoic acid derivatives, this material demands much tighter control of moisture throughout the sequence. Even minor deviations invite recrystallization headaches in the filter press. So, we position humidity monitors at each drying bay. Years of seeing what ruins batches have hardened our resolve: pure Salicylhydroxamic Acid deserves every bit of hands-on oversight during transfer, solvent recovery, and downstream micronization.

    Product Model and Purity Standards

    In our experience, quality gaps show up fastest in analytical results, not paperwork. Over hundreds of lots, one lesson sticks – high-performance Salicylhydroxamic Acid always sits above 99% purity by HPLC, and the color index never drifts far from snow white. The model that has worked for us for years focuses squarely on this pharmaceutical grade production. Particle size distribution ranges from 90-150 microns, tightly held using air-jet mill systems to avoid thermal degradation. Each lot ships with certificate data backed by multiple time-point HPLC retention times, not mere appearance scores or reference values. This hands-on validation drives confidence not just inside the company, but also for the partners downstream who depend on us to stay within spec every single shipment.

    Years back, we saw demand split between reagent-grade and bulk technical grade. Reagent grade commands more attention in the final rinse and drying sequence, as well as stricter controls on potential iron or sodium content. On the other hand, technical grade, still above 97% by HPLC, lets us push for better process economy. Partners in mineral processing or metal extraction often take our technical grade for bulk quantities where trace organic imaging simply doesn’t rank as a top concern. Meeting both levels without cross-contaminating the lines comes from decades building physically separated production bays for each grade. This marriage of technical know-how with real hardware reflects how deep experience overcomes theory.

    Comparing to Other Hydroxamic Acids

    Among the wide family of hydroxamic acids, Salicylhydroxamic Acid sets itself apart without drama. Many hydroxamic acids look similar on paper, but properties and industrial behavior set them apart on the line. We’ve run continuous campaigns for both benzhydroxamic and acetohydroxamic acids, and you quickly realize that the salicylic ring delivers stronger chelating behavior at lower pH levels, especially with iron and vanadium ions. This makes Salicylhydroxamic Acid prized in ore flotation and antimony extraction. We’ve seen customers in mining report higher selectivity during separation processes when they swapped out older alkyl-derivatives. That ties directly to how the phenolic hydroxyl group interacts with metallic species in the pulp. Reproducibility matters – our process maintains that moiety in its active state, avoiding oxidation that can turn a useful ingredient inert.

    On the pharmaceutical preparation side, Salicylhydroxamic Acid’s value turns on its stable UV absorbance profile and its reliable inhibitory activity on urease enzymes. Industrial-scale isolation and purification force us to manage the slightly greater sensitivity to heat compared to analogs like acetohydroxamic acid. This is most obvious during final vacuum drying, where runaway temperatures lead directly to purity losses. A well-tuned system, calibrated by years of small mistakes, prevents that. The resulting stability makes our product stick out as the standard for laboratories screening urease inhibitors.

    Field Experience and End Uses Over Time

    We’ve watched the market for Salicylhydroxamic Acid evolve in three distinct directions: mineral extraction, high-purity analytical work, and as a research chemical for enzyme inhibition. Our first-hand experience serving ore processing plants in regions with tough ore bodies showed that no substitute delivers the flotation control that Salicylhydroxamic Acid achieves. Here, it’s not about theory. It’s operators telling us, after site trials, that their flotation cells run cleaner, concentrate grades climb, and they face lower downstream filtration issues. Over-hauling their process chemistry with our technical grade let one operation cut reagent cost per ton by nearly 15%. It’s a simple, measurable win.

    Analytical reagent users – academic labs, biotech startups – measure value by consistency. Months of side-by-side runs taught us that even minor impurities in Salicylhydroxamic Acid lead to spurious assay results. That shows up in their reports, and in returned stock. We learned that fussy final packaging pays off: inert gas flushing, amber glass bottles, and storage below 15 degrees Celcius. Product that arrives at the customer’s lab as pure as it left our bay means fewer complaints and repeat orders year after year.

    Researchers working on enzyme inhibition, especially in screening experiments and candidate drug development, choose us for one reason: predictable lot-to-lot potency. Batch records don’t lie. Our hands-on manufacturing means no unexplained dulling in activity. We’ve been called in on collaborative projects chasing novel treatments for urinary tract infections, where unreliable Salicylhydroxamic Acid set teams back months at a time in the wrong hands. With us, they knew exactly what to expect.

    Tackling Manufacturing Challenges

    A hard truth of making high-purity Salicylhydroxamic Acid lies in how unforgiving the compound reacts to even minor variances in raw materials. More than once, we chased impurity traces back to shifts in incoming salicylic acid specifications, which meant overhauling supplier documentation and auditing warehouses for even tiny contamination. You transform your supplier expectations when an entire reactor batch turns orange instead of white because of an undetected stressor.

    On the process engineering level, solvent recovery produces the most headaches. We pilot many tank configurations before finding the most reliable setup. Stainless steel tank lines, frequent valve maintenance, and solvent air trapping systems became standard only after years wrestling with leak-prone joints and unexpected vapor losses. Those problems showed up as yield drop-offs and, more subtly, odor complaints from the vent stacks. Only direct, repeated troubleshooting closed those gaps, never a textbook fix.

    Waste management follows us at every turn. Salicylhydroxamic Acid’s manufacturing gives rise to aqueous and organic fractions with regulated disposal requirements. Building on direct EPA audits, we invested in real secondary containment plus a protocol of every-tank batch registration. No shortcut exists: either manage waste at the source, or risk downtime and fines that burn more than any lost batch.

    Safety, Worker Training, and Real Lessons Learned

    Safety protocols cannot be bolted on later, and working with Salicylhydroxamic Acid underscores that position each week. Our operators handle each transfer using gloves rated for both aromatics and caustics, protective eyewear, and local ventilation arrays. We run quarterly drills with every new hire, simulating spills and accidental releases, because a book alone doesn’t prevent splashes from sickening staff. Feedback from workers led us to revamp our emergency eyewash setups, adding hands-free operation and self-check lights so no one hesitates under stress. No distant administrator can fabricate improvements like an operator who’s actually donned the apron and worked the press.

    Training continues past orientation. Our core team keeps in touch with recent process shifts, fresh quality alerts, and new analytical methods via regular roundtable meetings. Even experienced hands learn to spot telltale signs of process drift – a faintly sweet odor in the vent gas, or a slight foaminess in drying trays – that indicate trouble sooner than any digital sensor. This corporate culture of vigilance, built on real field feedback rather than management memos, lowered incident rates and waste figures over years. Not all lessons stick right away, but cumulative experience with Salicylhydroxamic Acid pays dividends in reliability and safety.

    Regulatory and Environmental Responsibilities

    Meeting regulations matters more with each passing year. Salicylhydroxamic Acid, due to its specialized applications and persistent nature, draws attention from environmental and workplace safety authorities. Over the years, we saw that regular internal audits catch non-compliance faster than any external inspection. Routine sampling from every effluent stream, careful inventory checks, and third-party analytical confirmations let us build trust with local agencies. Instead of treating outside regulators as adversaries, we partner them in environmental meetings.

    Controlling emissions goes beyond paperwork. Our history with Salicylhydroxamic Acid revealed how fugitive dust can escape through even small seams in packaging or transfer lines. The result may not show up in plant air numbers, but accumulates on surrounding machinery and work benches. Retrofitting vacuum-tight packing stations with fail-safes stopped cross-contamination cold. No single fix replaces hands-on observation and willingness to overhaul hardware, even on lines that ran for years without formal violation.

    In disposal, trust is earned. Our track-and-trace system logs every outgoing waste drum, documenting origin, contents, and transport partners. This isn’t just compliance. It’s the only path to staying in business long-term, avoiding regulatory blowback and maintaining neighbor confidence in our environmental commitment.

    Customer Partnership and Ongoing Technical Support

    Our way of working with Salicylhydroxamic Acid relies on genuine customer feedback and shared troubleshooting. Over time, the reality shows itself: customers call seeking solutions to issues most visible at their site, not ours. Maybe a batch handled differently threw off a mineral processing routine, or an unexpected peak appeared during reagent analysis. Instead of scripted responses, our team revisits both factory records and raw analytical data for insight. Building open lines with the user base lets both sides spot patterns faster: altered performance in their plant often signals a needed tweak on our end.

    Technical exchanges teach us new end uses. University labs tracking rare earth elements in geological studies began buying from us only after we pinpointed minor impurities affecting their baseline measurements. They shared their QC results; we shared our in-process spectra. Mutual benefit trumped supplier-customer distance. In other cases, pharmaceutical development groups feed back weekly on test results, sometimes flagging irregularities in stability that only appeared three months post-shipment. Those cycles shape the ongoing tuning of our manufacturing workflow in ways no internal audit could match.

    Managing Fluctuations in Raw Material and Market Demand

    Building a resilient Salicylhydroxamic Acid line comes from adaptation more than theoretical planning. The salicylic acid and hydroxylamine used in synthesis both sit at the mercy of agricultural swings, energy prices, and regional capacity bottlenecks. Over twenty years, supply chain crises hit several times, exposing weak links. That led us to broaden our raw material supplier pool, pay closer attention to seasonality, and invest in on-site quality quick tests to weed out off-spec arrivals.

    Demand fluctuates with markets for pigments, pharmaceuticals, and mining chemistry. Early years taught us the hard way not to overcommit machinery to a single grade, as sharp price changes or regulatory action in one sector easily overwhelms even a seasoned forecast. Flexible production cell layouts, modular storage silos, and experienced changeover crews mean we can switch target specifications with minimal downtime. This model only works when the line operators stay fluent in all grades, not cloistered to one campaign or another. Technical cross-pollination among factory hands allows us to cope with peaks and valleys in ways rigid, single-focus outfits cannot match.

    Continuous Improvement and Lessons from the Floor

    Innovation doesn’t always mean new molecules – it’s often steady refinement in process monitoring, waste minimization, and turnaround practices. We logged hundreds of small improvements – adjusting agitation rates, refining filter media selection, swapping to more robust seals or precise batch timers. Experience shows that tweaking a single valve or swapping out a centrifuge gasket can do more to raise finished product consistency than rolling out a new instrument.

    Young chemists joining our group often arrive expecting data science to replace manual checks. We encourage data-driven improvements but couple that with lived experience. Each time they train under a senior technician inspecting the faint color hue shift during drying or noting a subtle packing noise when a drum fills brings real understanding missing from software dashboards. Over years, that interplay raises our Salicylhydroxamic Acid quality higher and minimizes surprises.

    Conclusion: Experience as a Product, Not Just Raw Material

    At the end of each campaign, what customers value most isn’t simply the Salicylhydroxamic Acid itself, but the depth of experience behind it. Real, hard-won process control; corrections informed by factory floor mishaps; and a partnership mindset keep our offering ahead of the curve. Industrial-grade, pharmaceutical-ready, or specialty technical, our acid reaches its destination fully backed by human knowledge, constant adjustment, and a willingness to meet new requirements head-on. To us, quality reflects not just the product but the entire manufacturing culture supporting it.