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HS Code |
443433 |
| Chemical Name | Cobalt Sulfate |
| Chemical Formula | CoSO4 |
| Molar Mass | 154.996 g/mol |
| Appearance | Red to pink crystalline solid |
| Solubility In Water | Very soluble |
| Melting Point | 735 °C (decomposes) |
| Density | 3.71 g/cm³ |
| Cas Number | 10124-43-3 |
| Oxidation State Of Cobalt | +2 |
| Common Hydrate Form | Heptahydrate (CoSO4·7H2O) |
| Hazard Class | Toxic |
| Odor | Odorless |
As an accredited Cobalt Sulfate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Cobalt Sulfate is packaged in a 500g sealed, labeled plastic bottle with hazard warnings, manufacturer details, and safety instructions. |
| Shipping | Cobalt Sulfate should be shipped in tightly sealed, corrosion-resistant containers. Transport under dry, well-ventilated conditions away from incompatible substances (flammable and combustible materials). Follow all regulatory requirements for hazardous materials. Label packages according to UN number 3077. Handle with care to prevent spills, and ensure compliance with local and international shipping regulations. |
| Storage | Cobalt sulfate should be stored in a tightly sealed container, in a cool, dry, well-ventilated area away from incompatible substances such as strong acids and oxidizers. Keep it away from moisture and sources of ignition. Label containers clearly, and store them in corrosion-resistant secondary containment. Access should be limited to trained personnel, with appropriate safety equipment available nearby. |
Applications of Cobalt Sulfate in Industrial ManufacturingCobalt sulfate serves several essential industrial sectors as a key functional additive and intermediate, supporting advanced energy storage technology, specialty catalysts, ceramics, and electroplating. As a direct manufacturer, we provide high-purity cobalt sulfate specifically engineered for critical downstream applications where consistent quality, trace element management, and process integration define performance outcomes. Below, we outline real-world application scenarios, each with dedicated compliance, formulation, process, and end-product information for industry professionals. 1. Lithium-Ion Battery Cathode ManufacturingCobalt sulfate forms a core precursor in producing cathode materials such as lithium cobalt oxide (LCO), nickel cobalt manganese (NCM), and nickel cobalt aluminum oxide (NCA). Quality and purity parameters directly affect cell cycle stability and safety characteristics, making supply compliance and integration essential for battery producers targeting high-energy-density rechargeable systems. Industry compliance standards
Typical usage ratio
Downstream process integration
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2. Inorganic and Ceramic Pigments ProductionThe sulfate salt supplies cobalt ions essential for developing blue, green, and violet pigment phases in high-performance ceramic, enamel, and glass coloration processes. Color intensity and thermal stability depend on precise cobalt sourcing and introduction during specific firing sequences. Industry compliance standards
Typical usage ratio
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3. Catalyst Manufacturing for Petrochemical ProcessesCobalt sulfate provides a controlled source of Co(II) in formulating hydrodesulfurization (HDS) catalysts used in petroleum refining. Uniform cobalt distribution optimizes catalyst activity and service life, supporting ultra-low sulfur fuel standards mandated by global regulators. Industry compliance standards
Typical usage ratio
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4. Electroplating and Surface Treatment SolutionsCobalt sulfate functions as a primary cobalt ion source in industrial electrolytes for decorative and functional electroplating, contributing corrosion resistance, surface hardness, and aesthetic value in finished metallic coatings. Bath chemistry adjustments ensure end-use compliance and operational reliability. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Animal Feed Additive Premix ProductionCobalt sulfate acts as a regulated trace mineral supplement in compound animal feed premixes, supporting vitamin B12 biosynthesis and metabolic function in ruminant nutrition. Stringent purity and absence of heavy metals are enforced to ensure compliance with livestock safety requirements. Industry compliance standards
Typical usage ratio
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Cobalt Sulfate plays a vital role across several industries, and from our long-standing experience in chemical manufacturing, quality always starts at the source. We produce Cobalt Sulfate in-house, controlling every step. This control means reliable consistency, no question marks around origin, and the ability for our partners to trace material back to the initial batch. We never accept off-specification material nor rely on outside blenders, because we know even small impurities change outcomes in industrial processes, battery applications, and agricultural blends.
Our Cobalt Sulfate—frequently available as heptahydrate—is recognized for its solid crystalline form. We achieve cobalt content ranging between 20.5 and 21.5 percent, with minimal trace metals. Low chloride and iron content are not marketing terms here; we measure this daily with calibrated atomic absorption equipment, ensuring it stands up to scrutiny. Moisture level stays controlled, monitored at batch level, not just on final product. Everyday quality checks prevent built-up residues and ensure consistency bag-to-bag, drum-to-drum.
Over the years, we have learned customers—be it for lithium-ion batteries, ceramics, plating, or micronutrient blends—cannot afford surprises. The agricultural sector depends on cobalt sulfate that freely dissolves, with no gritty precipitates left behind, since dose rates often run in the parts-per-million range. For battery cathode mixes, even slightly elevated sodium or iron rapidly causes performance loss and safety concerns. Our longstanding focus on fine, clean, dust-free crystals comes from direct conversations with battery engineers and plating shop supervisors—folks who have to spend extra labor time fishing out contaminants do not come back a second time.
Cobalt Sulfate comes in batch-labeled drums and high-density woven bags, sealed to prevent water absorption. We ship with full traceability documents that match every lot, because we have seen mistakes from relabelers and traders splinter supply chains. As direct producers, our batch numbers have meaning; they reference the real manufacturing run, so issues never get lost in endless paperwork trails. Large-scale users, such as precursor manufacturers for batteries, take their material in lined steel drums, while smaller micronutrient blenders choose bags to match fertilizer weights. Whether the order is a single pallet or full truckload, our team ensures continuous supply without the gaps that plague indirect channels.
Our Cobalt Sulfate stands out in battery chemistry, electroplating, animal nutrition, fertilization, and ceramics. In lithium-ion applications, small changes in particle size or impurity level have dramatic effects on cathode uniformity and cycle life. We have worked with battery material engineers to fine-tune our drying cycles and avoid inconsistent hydration. For surface finishing, the difference between smooth, shiny plating and an uneven, matte coating often traces back to input purity. Over years of supplying to plating shops, we realized even slightly more manganese or copper can ruin a week’s worth of product.
The micronutrient market relies on accurate dosing. Cobalt-deficiency in ruminants causes production losses that quickly become apparent in milk yield or weight gain. We grind and blend material to dissolve fast in stock solutions—feedback from agricultural suppliers highlighted that slower-dissolving granules “sink and clog.” So we optimized our crystal structure and monitor dissolution rates as part of routine quality checks. Our farmers want to see results—better herd health and higher crop yields. Every ton we supply reflects that expectation.
Several Cobalt Sulfate offerings on the market are not what they seem. We have seen “off-pink” lots blended from low-grade byproducts. These are often inconsistent in cobalt content, loaded with iron and calcium, or dried using quick methods that leave unstable hydrates, which clump or cake in storage. Our direct synthesis method avoids these shortcuts. By keeping everything in-house, we do not depend on distillers’ sludges or leached ore remnants.
Importantly, some suppliers attempt to pass off material not meant for technical or agricultural use. We have tested these lots—laboratory results confirm their higher sulfate-to-cobalt ratios, presence of organics, or coloring agents to “brighten” substandard batches. These shortcuts harm both end-users, who deal with process failures, and the public, when contaminants reach the food or water supply. From our perspective, the only Cobalt Sulfate worth supplying is one with published, traceable cobalt content, predictable impurity levels, and a crystal form that reflects robust process control.
We occasionally receive inquiries comparing cobalt chloride and cobalt carbonate—a few users confuse the three. The practical differences are significant. Cobalt Chloride, while useful in some applications, introduces a much higher chloride load, undesired in fertilizers and battery mixes. Cobalt Carbonate tends to bring lower solubility, which causes formulation delays and poor distribution in micronutrient applications. Cobalt Sulfate offers the best compromise between solubility, stability, and cost per unit of cobalt delivered. Our user experience says customers return to sulfate for reliability, especially after struggling with inconsistent dissolution or process upsets from the alternatives.
We have seen the damage that hands-off, multi-layer supply chains cause for Cobalt Sulfate users. Some buyers unknowingly receive repackaged or mislabeled material, with little way to backtrack a problem. Chemical property drift—variation in content, hydration, or impurity—ends up discovered only too late. By keeping doors open for audits and always tying batch numbers to real production runs, we ensure that accountability stays with us, not lost in the cracks of import paperwork. This approach lets technical teams trust they are building with known, predictable raw material for every lot.
We also work closely with logistics teams to minimize breakage, caking, and extended transit times that degrade performance. Material shipped during humid seasons gets extra attention to moisture control, with desiccant packs where warranted. Direct feedback from users has pushed us to improve not just the product, but the overall experience—timely delivery, careful packaging, and clear, honest reporting on the state of each lot. We know a shipment of compromised Cobalt Sulfate stops a full process chain, so our commitment goes beyond the product itself.
Lithium battery manufacturers do not accept “close enough.” Slightly out-of-specification sulfate leads to underperforming cells, lost batches, and potentially hazardous battery failures. We have supported clients developing new cathode formulas who require not just cobalt content, but regularity in hydration state and near-zero sodium or lead residuals. Nanoscale variations translate to real-world reliability; a trusted raw ingredient empowers technical teams to run pilot lines confidently. Our lab team consults on appropriate crystal size and dehydration needs, instead of forcing standardized batches. This technical partnership, with data transparency and a cooperative feedback cycle, helps our manufacturer clients go faster to market with less interruption.
Agricultural users face a different, but just as real, challenge. Regional soil and feed deficiencies mean farmers count on input materials working exactly as planned. Cobalt shortage leads to loss of livestock condition, herd health issues, and sharp drops in productivity. Our Cobalt Sulfate, precisely composed for dissolution in aqueous stock or as part of pelleted feeds, consistently shows up clean and ready to use—no sludge, lumps, or sign of contamination. The practical reality is, if crops or animals underperform, everyone notices. Without quality control at our end, rural users pay the price.
We keep communication lines open with agricultural technicians to adapt as crop or animal feed programs shift. By manufacturing on a schedule that matches demand, we avoid old stock issues. Open conversations—whether about unexpected precipitation or rapid dissolution needs—drive improvements that would be missed in a less engaged, less direct relationship.
We manufacture under strict compliance with regulatory frameworks; this is not a paperwork exercise but a practical reality. Cobalt is essential, but it calls for tight handling, from worker safety to downstream product use. Routine in-plant environmental monitoring prevents leaks and catch potential dust or runoff problems long before they become events. We reinvest in dust extraction, liquid containment, and operator safety gear, because overlooking these details hurts everyone—workers, customers, and communities alike.
We see regular audits, both by local regulators and the technical teams at our largest customers. These reviews direct improvements to our process lines, from the way we handle spent solutions to maintenance on drying kilns. Full product traceability allows us to correct any batch-level issue within hours, not weeks as would happen down a multi-layer distribution chain. Knowing the risks, we work upstream to resolve issues before the product leaves the plant, not after it reaches a final application.
Customers sometimes ask us to document heavy metal content, manufacturing practices, and even water source. We make this data readily available as part of every shipment, because the expectation for honesty and transparency in raw materials has only increased. End-users are more savvy now; they expect manufacturer-level traceability, not hand-offs from distant brokers. We stay open to public scrutiny, and see this accountability as a net positive—our long-term customers feel confident to share their outcomes, good or bad, without holding back.
Our engagement with end-users drives changes in how we produce Cobalt Sulfate. The plating industry’s focus on mirror-bright finishes prompted us to tweak crystal drying schedules; agronomist reports on residual insolubles led us to test new purification steps in the last wash. Feedback is central, not background noise: technical managers, farm consultants, and process engineers have shaped our current product line more so than distant specification writers. Years ago, supply disruptions forced some users to source from spot markets—most quickly returned after facing inconsistency in the alternatives.
We treat our Cobalt Sulfate batches as the start of a long process chain. Every downstream partner, from research staff to factory floor workers, relies on our attention to material health. Early on, we implemented a lot-isolation program for traceable recall—rarely used in practice, but a source of peace-of-mind for our clients. If a process deviation is ever uncovered, we track it, admit it, and fix it at the source, rather than shifting blame. This operational openness is built into every team conversation and every delivery.
We standardized on clear communication for shipment schedules, batch results, and minor fluctuations in appearance or crystal characteristics. There were years when we adjusted process controls several times in a season simply to meet new electrolyte requirements or micronutrient feedstock compositions. Direct channels—no layers of resellers or empty promises—mean we can act swiftly and match technical needs, without getting bogged down by bureaucracy.
Cobalt Sulfate sits at a crossroads for several modern industries. Battery applications accelerate as electric vehicles demand better and more cost-effective cells, and the need for stable cobalt inputs will not decrease. We collaborate directly with technical leaders at battery manufacturers, matching batch composition and handling parameters to the latest scientific findings for NCM (Nickel-Cobalt-Manganese) and LCO (Lithium-Cobalt-Oxide) chemistries. We contribute our data and know-how, not guarding insights as trade secrets, but working towards genuinely better results.
In agriculture, the need for precision micronutrients continues growing. Fields once presumed healthy are now tested for trace deficiencies, prompting more sophisticated approaches to crop and herd nutrition. Cobalt Sulfate delivers cobalt in a form that easily blends, dissolves, and enters living systems. With fertilizer and feed regulations tightening globally, the trust built from our record on purity gives downstream users peace of mind—not just about product function, but also about future regulatory compliance.
Sustainability comes from managing both inputs and outputs. We focus on sourcing our raw cobalt from responsible mining operations and audit upstream partners for sound environmental practices. Inside our plant, recycling of process water, capturing dust, and reducing energy consumption per metric ton are ongoing priorities. This effort is not a checkbox for certifications, but a fundamental shift requested by technical managers and environmental auditors alike. Forward-thinking users want cobalt inputs that -- while essential -- do not bring negative baggage for future generations.
Technical users of Cobalt Sulfate consistently report savings in process troubleshooting, batch yield, and consistency when sourcing directly from us, bypassing indirect suppliers. Issues such as slow dissolution, visible impurities, or shipment mismatches drop significantly in our client records. In laboratory battery builds, end-users have confirmed that cathode performance tracks closely with our supplied specification, with far fewer incidents linked to material variability than from spot-market supplies.
Aftermarket support from the source—be it for technical documentation, rapid samples, or direct answers to complex questions—enables cleaner regulatory submissions, faster new-product launches, and a reduction of risk for both early-stage and full-scale operations. We see ourselves as responsible not just for a product, but for the reliability of every downstream process, whether the outcome is a battery, a field of crops, or a finished nickel alloy.
Direct relationships cut out ambiguity. If a farm advisor encounters a problem in livestock response or a battery researcher detects a variance in capacity, our team can work back through the process chain—right to the manufacturing conditions of that exact batch. Problem-solving is immediate, open, and anchored in shared outcomes. Technical teams control the dialogue, supporting research and scale-up, instead of fighting for partial answers in the dark.
We see Cobalt Sulfate demand only growing as high-tech and agricultural industries evolve. Quality and consistency will remain central for every sector. Direct ties between users and manufacturers will mean even faster innovation cycles and fewer interruptions from unseen problems. We invest in pilot-scale and full process feedback, allowing users to preview changes in specification or processing as early as possible—reducing risk while helping users keep a technical edge.
We make a point of including frontline users in our improvement conversations. Battery chemists, farm field representatives, and plating shop foremen provide candid opinions that shape our direction. We return the trust with honest reporting, thorough documentation, and transparent business practices.
Cobalt Sulfate is essential and high-value for many modern technologies. Consistent quality, complete traceability, and an open channel between manufacturer and user together create the surest path to dependable results and long-term partnership.