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Cobalt (II) Sulfamate

    • Product Name Cobalt (II) Sulfamate
    • Alias Cobaltous sulfamate
    • Einecs 232-217-9
    • 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

    131134

    Chemical Name Cobalt (II) Sulfamate
    Chemical Formula Co(SO3NH2)2
    Molecular Weight 249.11 g/mol
    Appearance Red to pink crystalline solid
    Solubility In Water Highly soluble
    Melting Point Decomposes before melting
    Density 2.0 g/cm3 (approximate)
    Cas Number 13455-54-0
    Odour Odourless
    Ph Of Aqueous Solution 4-6 (for 10% solution)
    Grade Analytical or Electroplating grade
    Stability Stable under normal conditions

    As an accredited Cobalt (II) Sulfamate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 1 kg white HDPE bottle with tamper-evident cap, labeled “Cobalt (II) Sulfamate,” hazard symbols, lot, and manufacturer details.
    Shipping Cobalt (II) Sulfamate is shipped in tightly sealed containers, protected from moisture and incompatible materials. It is typically classified under hazardous materials regulations, requiring clear labeling and appropriate documentation. During transit, temperature and handling conditions are controlled to prevent leakage, contamination, or exposure. Always follow local and international transport guidelines.
    Storage Cobalt (II) Sulfamate should be stored in a tightly sealed container in a cool, dry, well-ventilated area, away from incompatible substances such as strong acids and bases. Keep it out of direct sunlight and sources of heat or ignition. Ensure the storage area is equipped with appropriate spill containment measures and clearly labeled to prevent accidental exposure or contamination.
    Application of Cobalt (II) Sulfamate

    Applications of Cobalt (II) Sulfamate in Industrial Manufacturing

    Cobalt (II) sulfamate, produced in-house, serves as a key functional raw material in several advanced industrial sectors. Our direct manufacturing channels support precise quality management, strict regulatory compliance, and traceable batch control across diverse downstream manufacturing scenarios. The following application cases illustrate major industrial use of cobalt (II) sulfamate, reflecting real regulatory, processing, and product contexts encountered by partnering manufacturers worldwide.

    1. High-Performance Cobalt Electroplating for Electronic Connectors

    Manufacturers of electronic and electrical connectors utilize cobalt (II) sulfamate as a primary source for electrodeposition baths targeting micro-component finishing. The material enables fine-grained, hard, and wear-resistant cobalt metal layers, critical for micro-switch contacts, substrate leads, and sensor assemblies. The depth of cobalt deposit control ensures consistent conductivity and microstructural performance for components assembled in high-reliability electronic devices, including those operating under thermal cycling or corrosive conditions. Our supply supports close tuning of cobalt ion availability to match automated plating line speeds and panel densities.

    Industry compliance standards

    • IEC 62321-5 (Determination of certain substances in electrotechnical products)
    • RoHS Directive (EU) 2015/863
    • REACH Regulation (EC) No 1907/2006
    • ISO 4527:2021 (Electroplated coatings of nickel plus cobalt)

    Typical usage ratio

    • 20 – 60 g/L in sulfamate-based plating baths; adjusted based on desired deposit thickness, plating temperature, and current density (commonly 2-10 A/dm²)

    Downstream process integration

    • Cobalt (II) sulfamate dissolves directly in the plating bath after high-purity deionized water charging. Bath is preconditioned to working pH (4.0-5.0) and continuously filtered. Ionic cobalt is replenished periodically against analytic process control (APC) data during manual or automated lines.

    Final product types

    • Microelectronic connectors and sockets
    • Relay and sensor switch contacts
    • PCB contact pads and leadframes
    • High-frequency radio and mobile device components

    2. Magnetic Alloy Electrodeposition for Hard Disk Media

    The recording media industry relies on highly controlled cobalt-nickel alloy films in the manufacture of magnetic layers for hard disk drives. Cobalt (II) sulfamate enables precise cobalt ion introduction into complex mixed-metal baths, supporting the creation of nanolayered alloys with tailored coercivity and magnetic anisotropy. By utilizing this raw material, downstream plants achieve strict uniformity in deposition rates, surface roughness, and binary alloy ratios critical to maintaining bit density, read/write fidelity, and data longevity. Bracketing cobalt input via sulfamate chemistry sustains magnetic behavior during mass production runs of drive platters.

    Industry compliance standards

    • IEC 62301 (Standby power measurement; HDD industry quality baseline)
    • ASTM F1991 (Deposition and evaluation of magnetic thin films)
    • JEDEC JESD625-A (HDD manufacturing environment requirements)
    • Status evaluation under ISO 9001-driven sector audits (Plant QC)

    Typical usage ratio

    • 5 – 30 g/L cobalt ion concentration, modulated in situ based on binary alloy target (Ni:Co ranging from 70:30 to 90:10) and monitored for bath stability

    Downstream process integration

    • Introduced post-precipitation and solution purification, cobalt (II) sulfamate is dosed during pulse or DC electrodeposition. Inline spectroscopic feedback and solution makeup ensure stable alloy delivery and minimize downtime between platter batches.

    Final product types

    • Magnetic hard disk platters
    • Perpendicular and longitudinal recording media
    • High-density tape storage media
    • Key components for secondary digital storage assemblies

    3. Wear-Resistant Cobalt Plating for Industrial Valve and Pump Parts

    Manufacturers in the general machine building sector use cobalt (II) sulfamate for precision-engineered coatings on industrial valve seats, pump rotors, and control spindles. The deposited cobalt provides a dense metallic barrier layer with pronounced abrasion, galling, and corrosion resistance. Application via electroplating or brush plating extends service cycles for precision-fitted parts regularly exposed to caustic slurries, process chemicals, or cyclic mechanical loading. As a direct cobalt source, the sulfamate supports low-acid, high-stability operation—key for thick, crack-free build-ups required in critical service environments.

    Industry compliance standards

    • API 6A (Valve and wellhead equipment)
    • ASME B16.34 (Industrial valve design and testing)
    • NACE MR0175/ISO 15156 (Sour service metallic materials)
    • EN 12334 (Industrial valves — Quality requirements)

    Typical usage ratio

    • 30 – 80 g/L sulfamate cobalt in acidified bath, adjusted relative to desired deposit thickness (20–200 microns), plating time (30–240 min), and applied current

    Downstream process integration

    • The solution is dosed following pre-wash and surface activation stage. Electrolyte circulated over fixtured components with continuous pH monitoring and in-process sample validation. Additive feeds tailored to suppress stress cracking in thick sections.

    Final product types

    • Chemical process valve seats and disks
    • Pump bodies and impellers for corrosive service
    • Compressor sliding components
    • Specialty pipeline tools and mandrels

    4. Surface Finishing for Aerospace Fasteners and Structural Components

    The aerospace and defense sectors demand tightly controlled cobalt coatings for specialty fasteners, actuator pins, and airframe subassemblies. Cobalt (II) sulfamate offers a route to high-integrity, fatigue-resistant cobalt plate that can withstand repeated thermal cycling, aggressive lubricants, and salt fog environments compliant with critical airworthiness standards. The precise nature of our cobalt salt manufacturing ensures low residual metal impurity—vital for downstream certification and in-field part longevity—across both primary production and MRO component refurbishment.

    Industry compliance standards

    • AMS 2411 (Cobalt plating for aerospace components)
    • SAE AMS 2750 (Temperature uniformity of heat treatment)
    • ISO 9001 with AS9100 (Aerospace QMS integration)
    • Boeing BAC 5735 (Fastener finishing, supplier approval)

    Typical usage ratio

    • 25 – 50 g/L for precision plating, with deposition thickness specified 10–50 microns depending on use environment and OEM drawing

    Downstream process integration

    • Material enters the final finishing stage after heat treatment. Bath parameters controlled for aeronautical-grade purity and surface stress. Components undergo post-plate hydrogen relief bake and QC inspection for microcrack prevention before packaging and shipment to assembly lines.

    Final product types

    • Aircraft fasteners and pins
    • Landing gear and actuation shafts
    • Engine mount bushings
    • Aerospace MRO replacement parts

    5. Electrocatalyst Layer Production for Hydrogen Generation Electrolyzers

    Industrial electrolyzer manufacturers incorporate cobalt (II) sulfamate in electrodeposition of thin electrocatalyst films on cell substrates. These films promote efficient hydrogen water-splitting via improved catalytic activity and long-term operational durability. The material enables process engineers to design precise cobalt loadings across large active surfaces, balancing conductivity, reaction interface area, and mechanical adhesion. The use of sulfamate chemistry helps ensure bath stability during continuous or pulsed plate operation at gigawatt-scale stack production lines.

    Industry compliance standards

    • IEC 62282-2 (Hydrogen technologies—Fuel cell modules)
    • ISO 22734 (Hydrogen generators using water electrolysis)
    • EU Machinery Directive (2006/42/EC) for electrolyzer plants
    • Internal process validation under ISO 14001 (Environmental management)

    Typical usage ratio

    • 10 – 35 g/L cobalt as supplied from sulfamate, based on target catalyst thickness and cell design (typically 2–20 microns per electrode). Ratio adapted to plating speed and substrate geometry.

    Downstream process integration

    • Material is made up in large-scale plating baths after electrode substrate cleaning and pre-roughening. Bath conditions (temperature, pH, agitation) fine-tuned for repeatable deposition. QC sampling ensures uniform coverage and catalyst activity across batch runs.

    Final product types

    • Anodic and cathodic plates for alkaline water electrolyzers
    • Cell stack assemblies for industrial hydrogen plants
    • Electrochemical hydrogen generation modules
    • Spare and refurbishment catalyst-coated components
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    Certification & Compliance
    More Introduction

    Cobalt (II) Sulfamate: A Closer Look From the Factory Floor

    Walking through our plant, you notice barrels labeled with different compounds, but none stands out on the plating line quite like Cobalt (II) Sulfamate. We make this product batch by batch, quality checked at every stage, because a lot rides on consistency and purity—both for us and the customers relying on it. We have worked with electroplaters, battery firms, researchers, and component manufacturers for years, and their feedback shapes how we approach every production run. Manufacturing chemicals isn’t just science on paper; it’s hands-on work, learned by seeing how the product gets used in the real world.

    Product Model and Specifications: Purpose-Driven Manufacturing

    Our Cobalt (II) Sulfamate usually takes the form of a clear pink to reddish solution. Its chemical formula, Co(NH2SO3)2•4H2O, might sound routine, but we focus on two things: reliable cobalt content and low metallic impurities. We stick to a cobalt content that meets strict plating standards—usually around 19–21% by weight—because equipment downstream can’t tolerate much deviation when laying down even cobalt coatings. Our standard solution strengths range from 50 to several hundred grams per liter, but we frequently get requests to tweak compositions to fit proprietary electrolyte systems.

    We don’t batch Cobalt (II) Sulfamate the way you’d make a mass-market salt or oxide. Every order starts with a conversation: what kind of anode, what amp-hour rating, what contaminants need to be kept below detection? Some users in the printed circuit or the magnetic alloy sector ask for sub-ppm iron or copper, particularly if they run high-purity baths or operate in critical semiconductor applications. Experience showed us early on that these “trace” elements can trigger expensive rejects for our customers, so the purification steps have only gotten more rigorous.

    Over years of operation, we invested in closed filtration and crystallization cycles to pull out not just visible debris but also dissolve and strip out contaminants we can’t see with the naked eye. It’s one thing to hit spec on a single batch; it’s much harder to keep that up week after week, but that’s what industrial partners demand and what our production team is proud of.

    Where Cobalt (II) Sulfamate Gets Its Real-World Stature

    This compound holds real value on plating lines. Many years back, nickel solutions dominated electroforming and electroplating, but running those baths on fragile and high-performance substrates didn’t work for every job. Cobalt (II) Sulfamate helps bridge that technical gap. By producing uniform cobalt deposits, the industry gets superior wear resistance compared to pure nickel and much better magnetic properties.

    We’ve worked side-by-side with firms coating turbine blades, mass-producing microphone diaphragms, and developing high-density information storage media. They count on our Cobalt (II) Sulfamate to deliver high ductility and low internal stress in deposits, because even a microscopic crack can cause catastrophic failure down the line. We spent months collaborating with a medical device developer, modifying the product—sometimes treating the solution, sometimes adding stabilizers—until the final cobalt films met both industry and regulatory standards for biocompatibility and endurance. Slight changes in impurity levels or pH control equipment led to measurable shifts in performance, which hammered home that purity and process stability can never be an afterthought.

    Laboratory teams seek out our higher-purity models for crystal growth work or research on thin-film magnetic recording heads. The repeat load of university and government labs convinced us that Cobalt (II) Sulfamate’s versatility is limited only by the effort put into customizing it. Outsourcing these needs to suppliers who are really just middlemen led to mismatches in quality. That’s why we produce Cobalt (II) Sulfamate on demand, always within our own walls, by the same team that signs off on every lot.

    Comparing Cobalt (II) Sulfamate to Other Cobalt Salts

    People sometimes ask why sulfate or chloride salts aren’t used instead. The answer is in the performance observed at the line. Cobalt chlorides bring higher conductivity but generate brittle deposits and attack plating tanks and connections over time. Cobalt sulfates cost less in some regions, but don’t match the ductility or plating speed that sulfamate-based solutions offer. The unique chemistry of the sulfamate anion helps minimize internal stress during deposition, so applications that involve micro-fabricated or layered materials use sulfamate almost exclusively.

    Environmental and health safety regulations are another factor. By controlling the product from raw material intake all the way to packaging, we can eliminate deleterious byproducts and guarantee proper documentation—from Material Safety Data to food-grade packaging when necessary. The traceability and transparency help downstream users comply with their local standards, especially for applications that touch healthcare or electronics exports. Delivering product lots whose quality changes order to order simply isn’t an option, both for our legal risk and our partners’ reputations.

    Usage Insights: Seeing the Real Chemistry at Work

    In a typical production run, platers will operate with Cobalt (II) Sulfamate concentrations ranging from 20 to 150 grams per liter, blended with specific buffer and wetting agents. They fine-tune pH, temperature, and agitation to coax out dense, bright cobalt films—often no thicker than a few microns, but critical for the function of moving parts and electrical contacts. We have watched customers monitor real-time conductivity, pH shift, and contamination levels while running hundreds of kilograms of the solution through automatic lines. They rely on our consistent molecular ratio to maintain tank balance and prevent downtime due to shoddy deposits.

    Medical device manufacturers send their incoming inspectors to our facility more often than not. They ask to see production records and test results, aware that a poorly-formulated batch might compromise not just working parts but patient safety. In the rare event our product falls short, we halt output, investigate the entire run, and revalidate the process before resuming. Many chemicals get bought and sold on spec; Cobalt (II) Sulfamate, at least as we make it, gets checked and double checked since the cost of failure can be measured in lost time, money, or, in some cases, human risk.

    Operators regularly share production data with us. They have clocked out after a shift to call in observations on how minor temperature changes shift the deposit’s ductility or hardness. Years spent in these conversations pushed us to tighten specs—even when external regulations allowed broader ranges. We supply the test kits and even conduct blind checks to keep everyone, ourselves included, honest and up-to-date on the bath’s behavior under shifting process conditions.

    Differences Shaped by Application, not Just “Specs”

    Ask around in this industry, and you’ll hear stories about product failures and plating defects. One common theme is that off-the-shelf chemicals from trading companies don’t deliver the predictability or after-sales support that manufacturers need. Plating houses talk to us because we have spent years troubleshooting at the tanks—if a brightener falls out of solution or anode residue builds up, odds are we’ve seen it before. Our Cobalt (II) Sulfamate isn’t just “high purity” on a sheet; it’s made by workers who know the struggle of a fouled bath, and who design filtration and quality control procedures accordingly.

    Consider cobalt sulfate: basic and relatively cheap, but it doesn’t impart the low-stress, high-ductility deposits that today’s tight-tolerance jobs demand. Chloride types plate a cobalt layer, but the aggressive chemistry usually shortens the lifespan of tanks and tools. Complexes or mixed-metal blends sometimes help niche coating applications, but for the broad mainstream—especially where mechanical integrity and microstructure matter—Cobalt (II) Sulfamate stands apart.

    We regularly provide side-by-side performance data for customers who want to trial both standard sulfate and our sulfamate. Long-term tests on turbine part coatings and wear-resistance cycles tend to highlight the same thing every time: sulfamate-based coatings absorb more impact, flex without cracking, and perform with fewer defects under mechanical stress. Our labs monitor grain structure using electron microscopy, providing direct visual evidence whenever questions arise about the impact of trace metal impurities or process changes.

    Transparent reporting, regular quality checks, and open dialogue with the factory floor—these are the real advantages we offer that large-scale chemical distributors rarely provide. Our team isn’t just filling drums; we are sharing updates, collaborating on new process variations, and refining our approach based on real-world data and trouble-shooting.

    Addressing Production and Supply Challenges Head-On

    Producing Cobalt (II) Sulfamate, year after year, introduced us to the realities of global supply hiccups and shifting regulatory landscapes. We source cobalt from vetted suppliers who deliver to strict mining and labor standards. Over the years, volatility in the cobalt market forced us to develop conservation strategies and product recovery systems, reducing waste at multiple points in production. This not only lowered our operating costs but also allowed us to reassure customers facing global cobalt scarcity or price jumps. Any customer walking our line can see both automatic storage and manual inspection: we don’t believe in cutting corners, because downstream costs of contamination or failed batches outweigh any short-term savings.

    Working as a true manufacturer means we take responsibility for what leaves our loading dock. We’ve seen too many cases where imported, re-bottled, or relabeled products leave customers dealing with sudden quality drops or hazardous impurities—sometimes only uncovered after expensive plant shutdowns. Every production run carries our factory’s risk and reputation. That’s why manufacturing reports accompany every shipment, and why our team is available for post-delivery consultation and technical troubleshooting, not just sales follow-ups.

    We also address the issue of environmental impact at every step. Waste treatment systems handle spent baths and rinse solutions. We developed internal recycling methods to recover unused cobalt, avoiding discharge issues and lowering the burden on community waste systems. Chemists and operators both play a role, managing hazardous waste protocols and routine safe handling seminars to minimize exposure and keep the shop floor safe.

    Supporting Advanced Manufacturing and Research

    Firms on the cutting edge—whether fabricating sensors, magnetic thin films, or high-efficiency battery electrodes—use our Cobalt (II) Sulfamate to achieve micro-structural control that older compounds simply can’t match. Their engineers tweak current density, agitation, and chemical composition to squeeze out exactly the desired crystal orientation or mechanical property. Our hands-on involvement—daily, on-site, not remote—means process chemists can rely on real-time feedback if a batch behaves unexpectedly.

    Research institutes and university partners provide feedback on how small, sometimes nearly invisible changes in our process yield different outcomes in their studies. Often, their work leads us to fine-tune filtration, invent new testing protocols, or create specialty grades that serve a single, high-purity user. We treat every request for modification as an opportunity to learn as much as to sell.

    Battery innovation, particularly in new-generation lithium-cobalt cells, draws on ultra-pure cobalt compounds as positive electrode materials. Reliable supply—and reliable impurity control—mean researchers can develop repeatable results and move from benchtop to pilot plant faster. This isn’t just about chemistry on paper; it’s about getting business, research, and manufacturing priorities to work together for sustainable growth.

    Lessons Learned and Future Directions

    Years of chemical manufacturing have taught us one main lesson: technical knowledge means little on its own unless combined with reliable execution and direct accountability. We don’t see Cobalt (II) Sulfamate as just another commodity, but as a product tied closely to our relationships on the shop floor and in the lab. Each request for tighter specs or different packaging carries real impact, showing up in downstream yields and final product quality.

    Customers—especially those shifting to automated, high-throughput lines—need more than a product specification. They rely on honest reporting, transparent process adjustments, and open collaboration to stay at the forefront of their own fields. Lasting partnerships emerge not from perfect paperwork but from real-world problem-solving and shared commitment to improvement. Cobalt (II) Sulfamate production, at its best, showcases how deep practical experience forces continual improvement, reduces hidden risks, and delivers materials that let modern technology function as promised.

    Every batch leaves our plant stamped with the collective knowledge of years of work and thousands of customer feedback cycles. We thrive on challenges, constant review, and improvement driven both by advances in manufacturing and by direct feedback from the field. Chemical manufacturing means taking full responsibility, not simply for formulas and paperwork, but for the real-life function of the product as it powers new technology, repairs essential components, or protects lives and investment. Cobalt (II) Sulfamate isn’t just a chemical—it’s the byproduct of dedication, accountability, and the real-world expertise that shapes every challenge into a deliverable solution.