Nanjing Liwei Chemical Co., Ltd

Знание

Cobalt Sulfate Monohydrate: The Role and Reach of a Crucial Compound

Tracing the History of Cobalt Sulfate Monohydrate

Cobalt sulfate monohydrate didn't appear overnight. The pursuit of bright blue pigment in the 19th century put cobalt on the map. Over time, miners, chemists, and industrialists started drawing the compound out from copper and nickel ores, refining it to support rapidly expanding manufacturing sectors in Europe and beyond. Early uses leaned heavily on its strong color, and glassmakers depended on it to push their wares into new markets. Years later, as technology grew hungrier for reliable, high-performing components, this compound found its way into batteries, catalysts, and animal feed. The journey reflects deep connections between human innovation and the resources beneath our feet.

The Product at a Glance

In practice, cobalt sulfate monohydrate stands out as a bluish-red, crystalline powder. Producers typically offer this compound at high purity for use in chemical manufacturing, animal nutrition, and battery production. Consistent product quality lets engineers and manufacturers build predictable processes, which is vital for everything from electric vehicles to fertilizers. Most suppliers ship it sealed tightly, not only to protect the contents from moisture but to make sure it’s handled safely during transit.

Physical and Chemical Properties

You can spot cobalt sulfate monohydrate by its distinctive color, but deeper qualities drive its use. The chemical formula, CoSO4·H2O, points to a single water molecule for each cobalt sulfate unit. It dissolves easily in water, which is essential in many of its applications. Its melting point sits around 96°C; heat removes its water of crystallization and changes it to the anhydrous form. With a density around 2.05 g/cm³, it’s not particularly heavy for an inorganic salt. Chemical stability, in the absence of strong acids or bases, means the powder holds up well in storage and use.

Technical Specifications and Requirements for Labeling

Regulations demand clarity in how cobalt sulfate monohydrate appears on a label. Producers must mark the purity, batch number, production date, and hazard symbols as required by agencies like OSHA and the European Chemicals Agency. Even a small slip in these details can mislead users or risk accidental misuse in labs or factories. Industrial-grade material carries different standards than pharmaceutical or feed-grade, and accurate labeling supports traceability, safety, and compliance with export rules.

How Cobalt Sulfate Monohydrate Is Made

Refining the compound often starts with cobalt-containing ores. Nickel and copper mines produce a byproduct sludge; hydrometallurgical processes extract cobalt ions. Sulfuric acid then reacts with cobalt concentrates to produce cobalt sulfate solutions. Filtration, crystallization, and controlled drying steps follow. Skilled workers and modern equipment keep impurities like nickel and iron to a minimum. The resulting crystals get washed, dried, and milled to meet specification sheets. Lab checks confirm the right ratios of cobalt, sulfate, and water.

Chemical Reactions and Modifications

Cobalt sulfate monohydrate proves its versatility in chemical synthesis. It dissolves into ions quickly, providing a ready source of cobalt(II) for catalytic reactions and for producing other cobalt compounds. Once in solution, it reacts with carbonate ions to form cobalt carbonate, or with ammonia to form coordination complexes. The ability of cobalt in its +2 oxidation state to jump into new compounds lies at the core of the chemistry labs and battery precursor plants that rely on this compound.

Synonyms and Alternate Product Names

Depending on the industry or national market, the compound appears under several names. Common synonyms include cobaltous sulfate monohydrate, cobalt(II) sulfate monohydrate, and cobalt sulfate hydrate. Some suppliers shorten the name to CoSO4·H2O or use trade designations for proprietary blends. In animal feed circles, it goes by cobalt salt, reflecting its role as a micronutrient. Labels and technical data sheets spell out the different identifiers, so buyers get the right product each time.

Safety and Standard Operating Procedures

Safety with cobalt sulfate monohydrate hinges on clear protocols. Companies supply it with hazard warnings highlighting risks of skin, eye, and respiratory irritation. Workers in handling and packaging lines wear gloves, goggles, and respirators in well-ventilated facilities. Material safety data sheets call for storage in dry, cool environments far from acids or substances that could produce dangerous reactions. Training in emergency procedures deals with accidental releases or spills. Disposal rules treat cobalt-containing waste carefully, given its environmental impact.

Where Cobalt Sulfate Monohydrate Fits: Application Fields

That's not just a chemical in a bottle—it's a linchpin in industries shaping the present and future. Lithium-ion battery manufacturers rely on it as a core input for cathode materials, supporting most electric vehicle and portable electronics technologies. Crop science outfits blend it into micronutrient fertilizers; animal feed producers use it to boost vitamin B12 synthesis in ruminants. In pigment and glassmaking, the compound remains a coloring agent of choice, though battery demand now dominates supply chains. Research labs lean on its reliability for chemical syntheses, and surface treatment firms depend on its ions in electroplating baths.

Active Research and Product Development

Today's battery boom puts research teams on a quest for better ways to produce and use cobalt sulfate monohydrate. Sophisticated purification processes tackle the impurities that threaten battery lifespan. Universities and private companies study more environmentally friendly ways of extracting cobalt from lower-grade ores or even recycling spent batteries. R&D projects explore alternatives to cobalt—given concerns about supply chain security and ethical mining—yet new cathode chemistries still circle back to the unique properties of this compound. Catalysis specialists build on cobalt's coordination chemistry, searching for new catalysts that drive energy-efficient reactions. Investors pay attention; breakthroughs in purification and recycling grab headlines, since they cut costs and reduce ecological footprint.

Toxicity and Health Concerns

Toxicologists have spent years studying the effects of cobalt compounds. Cobalt sulfate monohydrate enters the body mainly through inhalation or ingestion, and animal studies link chronic exposure to lung, heart, and thyroid problems. The compound earned its hazard classification in regulatory systems for a reason. Protective measures in workplace environments aren’t optional. Real risks push researchers to deepen understanding around dose, bioavailability, and long-term effects. Monitoring cobalt uptake in industrial and agricultural settings grows increasingly common, both for worker safety and product quality.

Future Avenues for Cobalt Sulfate Monohydrate

Demand for cobalt sulfate monohydrate doesn't look like it will shrink anytime soon. The push for cleaner transport and renewable power feeds battery sector growth, and recycling now emerges as a parallel industry. Geopolitical pressures put additional focus on domestic sources and new refining technologies. Societies that curb e-waste and protect workers' health need straightforward answers from scientific research, transparent supply chains, and tough but fair rules. Researchers experiment with new crystal forms, improved electrode processes, and green methods for recovering cobalt from secondary sources. If there’s one lesson here, it’s that the path of this bluish crystal knits together chemistry, industry, safety, and society in ways that still surprise us.



What is Cobalt Sulfate Monohydrate used for?

Unpacking the Blue Powder

Cobalt sulfate monohydrate may not grab headlines like lithium or rare earths, but it quietly fuels the fast-moving world of batteries, agriculture, and even the pigments we see every day. I remember touring a battery plant a few years ago and being surprised at how central cobalt compounds were, tucked away in barrels, ready to shape the power sources driving electric cars and renewable energy storage.

Getting to the Heart of Batteries

Look at any modern electric vehicle or smartphone, and you’ll find lithium-ion batteries at their core. To make those batteries reliable, cobalt sulfate monohydrate plays a crucial role. It acts as a key ingredient for producing cobalt-containing cathodes, which help boost batteries’ storage capacity and lifespan. That translates to longer-lasting cars and gadgets—a need almost everyone feels as devices grow more powerful and energy-hungry.

Mining for cobalt tends to grab the spotlight, but the conversion of cobalt ore into cobalt sulfate monohydrate marks a turning point. This isn’t just chemistry; it’s about making advanced batteries possible. Each gram helps increase driving range, reduce charging times, and keep up with the global push to cut fossil fuel use. Last year, global demand for cobalt grew by over 13% according to Benchmark Mineral Intelligence, and battery growth led that leap.

Color Beyond Batteries

Cobalt sulfate monohydrate also brings vibrant blues to ceramics and glazes—a tradition stretching back centuries. Potters reach for it to deliver deep, stable hues in tiles and pottery. On my last trip to a local studio, the artist explained how just a pinch can make all the difference in a batch of tile, turning dull clay into a rich, eye-catching blue. This pigment use might not shape global markets, but it connects ancient arts with modern science.

Boosting Crops and Animal Health

Agriculture leans on cobalt sulfate monohydrate for another reason: essential nutrients. Even trace amounts of cobalt keep livestock healthy, playing into vitamin B12 production. Farmers sometimes add cobalt sulfate to animal feed, especially for sheep and cattle grazing on cobalt-poor soils. My grandfather’s farm used mineral mixes for the herd—without them, milk yields dropped and health problems appeared.

Cobalt sulfate also supports plant nutrition in certain fertilizers. Soil that lacks cobalt leads to stunted growth or lower yields, turning this chemical into an unsung hero for food production. Careful use matters, though, because too much can build up and cause environmental challenges.

Tackling the Big Risks

Nobody can ignore the risks that come with cobalt sourcing. Most of the world’s cobalt comes from the Democratic Republic of Congo, where reports have highlighted hazardous working conditions and environmental harm. The industry faces mounting calls for ethical sourcing and tighter oversight to protect miners and communities. A recent Amnesty International report shows some progress, but many mines still lack adequate protections.

Recycling batteries presents one way out. Companies in Europe and Asia now extract cobalt sulfate from used batteries, cutting reliance on mining and lowering the carbon footprint. More research and better logistics—like easier collection of spent batteries—could scale up these efforts and begin to solve the supply chain problem.

Real-World Value

Cobalt sulfate monohydrate powers modern life in more ways than most realize. It helps put more electric cars on the road, keeps food chains healthy, and brightens daily surroundings. Yet every jar of the blue powder carries a story that stretches from deep mines to cutting-edge labs. Making those stories greener and fairer remains a challenge worth everyone’s attention.

What are the storage and handling requirements for Cobalt Sulfate Monohydrate?

Understanding Why Proper Storage Matters

Cobalt sulfate monohydrate shows up in batteries, pigments, and even agriculture. Its usefulness in industry doesn’t erase one key fact—this stuff can be risky with sloppy handling. I remember a cobalt-laden shipment arriving at an old lab of mine, boxed in unmarked cardboard and left under a leaky window. Not long after, the package swelled and split from moisture creeping in. Corrosion started, and the crew had to scramble to address the contamination. That lesson stuck with me: water and cobalt sulfate don’t mix well, and a little inattention causes headaches—and sometimes, real harm.

Simple Rules Make a Difference

Storing cobalt sulfate monohydrate doesn’t demand fancy refrigeration or high-tech locks. Keep it in a dry, cool spot, away from direct sunlight and moisture. This helps keep clumping, lumping, and chemical breakdown at bay. Moist air turns the powder to mush and starts a messy chain of reactions. In a hardware room or lab shelf, you want tightly sealed containers made of material that stands up to its mildly acidic kick—polyethylene or glass bottles usually hold up best. Skip open buckets or rusty tins. Every spill, even a small one, creates more cleaning work and wastes money.

Clear Labelling—Not Just for Show

I’ve watched a few lost temp workers reach for the wrong bottle or brush powder off a bench with bare hands, all because someone left the cobalt unlabeled. Cobalt sulfate monohydrate brings real health risks: skin staining, respiratory issues, and possible cancer after long exposure. Good labeling protects everyone. A bold, simple label cuts confusion. Include the chemical name, hazard sign, and emergency information—no room for guessing games in any real workplace.

Gloves and Goggles: Routine Habits Build Trust

Ask the old-timers—they reach for gloves and safety glasses without thinking. Dust from cobalt sulfate monohydrate floats and lingers. Breathing in fine particles shouldn’t be an afterthought. Decent ventilation, working fume hoods, or at minimum a dust mask lower the risk. Handwashing and changing gloves after use help prevent accidental transport of powder to faces or food. It’s easy to slip up, but regular habits make all the difference.

Laws and Best Practices Guide Actions

OSHA and the EU both set strict limits on exposure to cobalt compounds. In factories, managers run dust extractors and make sure staff get training. Bags and drums come with safety data sheets—usually ignored until something goes sideways, so reading them before opening anything makes sense. Spill kits, eye wash stations, and proper disposal point out that this isn’t just table salt. Keeping workspaces clean, with everything put away securely, shows respect for coworkers and the community.

Prevention Beats Cleanup Every Time

Most storage accidents start with simple neglect. Leaky ceilings, unlabeled containers, torn gloves, or sloppily handled powder all add up over a week or month. Fixing problems early—dry areas, containers with strong seals, trustworthy checklists—prevents fires, chemical burns, and expensive downtime. A little caution saves more than time; it keeps people healthy and businesses trusted.

Is Cobalt Sulfate Monohydrate hazardous or toxic?

What Is Cobalt Sulfate Monohydrate?

Cobalt sulfate monohydrate pops up in industries from batteries to pigments. It plays a big role in rechargeable battery production, especially those driving electric vehicles and smartphones. Many of us use products relying on cobalt, often without giving it much thought. Workers see this stuff up close on the factory floor and in labs. That’s where questions about its hazards turn practical: What exactly are the health risks? How do we work safely with it?

Direct Effects: Not Just a Theoretical Concern

Cobalt compounds carry a real risk if someone breathes them in or lets them touch skin repeatedly. Inhaling cobalt sulfate dust irritates lungs and may spark asthma-like symptoms. Over time, regular exposure raises the risk of chronic breathing trouble. My neighbor spent a decade in a ceramics plant and developed a persistent cough—he later learned cobalt dust likely played a part.

Long-term skin contact leaves folks open to rashes and allergies. Even for people not working in factories, the story doesn’t end there. People living near mining or processing facilities may face environmental exposure through contaminated air, water, or soil.

Digging Deeper: Toxicity and Bioaccumulation

Cobalt is essential in tiny amounts, but there’s a line between nutritional need and toxic overload. Swallowing moderate or high doses can damage the heart and thyroid. Cobalt sulfate dissolves easily in water, so spills can spread fast. Wildlife and humans can take in this chemical through drinking water or contaminated crops. World Health Organization notes that too much cobalt affects blood production and nerve function. Chronic exposure—even at low concentrations—links to major health problems.

What Are the Facts?

The International Agency for Research on Cancer pegs cobalt sulfate as “possibly carcinogenic to humans,” based on lab animal studies. That doesn’t mean every worker will suffer, but health authorities still set strict limits: OSHA’s permissible exposure limit stands at 0.1 mg/m³ over an eight-hour shift. For context, this is tougher than many limits for other metals. Still, accidents and poor ventilation bump up exposure far above what’s safe.

In typical household settings, risks stay low unless somebody handles the raw material. Batteries shield the cobalt inside, so regular users don’t usually face danger. The hazard rises for manufacturing and recycling workers, not for someone buying an electric vehicle.

Practical Moves To Reduce Risk

Safer handling starts with smart habits. Workers use gloves, tight-fitting masks, and eye protection while handling cobalt salts. Modern plants invest in air filters and sealed systems to keep airborne particles out of lungs. Employers need to offer regular health checks and training so nobody gets caught off guard. In my own experience, one overlooked vent system can turn a safe workspace into a hazardous one overnight.

Communities near industrial sites push for clear environmental monitoring and swift cleanup after spills. Lawmakers update regulations as new science emerges, often with public health outcry leading the charge. Thorough training, regular inspections, and a culture of speaking up about risks make the difference between a company running safely and one making headlines for all the wrong reasons.

Looking Ahead

Nobody’s talking about banning cobalt overnight. The real challenge lies in bridging economic growth with worker and community safety. Lithium-ion batteries unlocked new tech but brought new supply chain pressures, including more demand for mined cobalt. Programs tracing cobalt sources, boosting recycling, and swapping in alternatives all play a part. Sometimes that means slowing production when dust spikes or moving quickly after a small chemical spill. That’s real-world responsibility. For now, awareness and action offer the strongest shield against invisible risks like cobalt sulfate monohydrate.

What is the chemical formula and appearance of Cobalt Sulfate Monohydrate?

Chemical Formula and Structure

Cobalt sulfate monohydrate shows up in laboratories and industries with the chemical formula CoSO4·H2O. It pairs one cobalt atom with a sulfate group and a single water molecule. This isn’t just a jumble of numbers and letters—it points to the essential identity of the compound. Chemists rely on this formula to track purity, compare batches, and anticipate behavior during reactions. Consistency in chemical identity means a lot, especially in places like battery factories or pigment production lines; one small impurity or error in formula can close down processes and waste millions.

Physical Appearance

In my hands during university labs, cobalt sulfate monohydrate always appeared as pinkish-red crystals. The color tends to be striking, making it easy to distinguish from common industrial salts like copper sulfate or zinc sulfate, which each have their own distinct hues. These crystalline granules dissolve easily in water, leaving behind a clear, pale red solution. Anyone who’s poured it into a beaker will recognize that moment when the liquid changes color, signaling that cobalt is now fully in play.

Texture matters too. The single water molecule gives it a slightly softer texture than the anhydrous version. Working with it, I saw less dust formation and easier pouring, which makes a difference for health and cleanliness in labs and manufacturing plants. Spilled dust from anhydrous salts lingers in the air and raises safety concerns.

Why Cobalt Sulfate Monohydrate Matters

Cobalt sulfate monohydrate crops up in news cycles mostly because of its role in making rechargeable batteries—especially for electric vehicles. Today, cobalt markets swing on supply and demand in the battery industry. Without cobalt in the right chemical form, battery makers hit production snags. Reports from mining regions, trade regulators, and battery giants all reference the monohydrate form. No coincidence—it just works better for their recipes.

On top of that, cobalt sulfate monohydrate feeds into animal feed and nutrition, pigment production, and even catalysts for refining petroleum. Some might think these uses pale next to its battery role, but they affect consumer prices and the livelihoods of chemical workers around the world. My own time in a pigment lab taught me how easy it is for small changes in supply or contamination to mess up entire pigment runs, putting pressure on workers to explain every batch that doesn’t meet the mark.

Health, Safety, and Solutions

Handling cobalt sulfate monohydrate brings health and environmental concerns. The dust isn’t just annoying; extended exposure can trigger allergies or respiratory problems. Governments and safety teams urge sealed handling systems and protective gear, not just for compliance, but because the health risks are well documented.

Safer handling requires better training. In my work, regular reminders and open conversations about safety kept people from skipping steps. Technology also helps: enclosed transfer systems limit dust exposure, while robust ventilation prevents airborne spread. For places where handling remains manual, simple fixes like better scoop design and prompt cleanup cut down on risk.

Looking Forward

Questions about cobalt sulfate monohydrate reach beyond the chemical formula and color. Supply chains, fair labor, health protections, and the switch to greener tech all link back to how this chemical gets produced, moved, and handled. Attention from researchers and policymakers will keep pushing for improvements in purity and safety. On the ground, honest training and modern equipment make a bigger difference than almost any regulation. Cobalt sulfate monohydrate will stick around—as long as energy storage and specialty chemicals matter, someone will have a use for these pink-red crystals.

How should Cobalt Sulfate Monohydrate be disposed of properly?

Why Proper Disposal Matters

Cobalt sulfate monohydrate often shows up in batteries, ceramics, and pigments. This material brings value to manufacturing, but it brings risks too. I remember walking through a warehouse, smelling a metallic tang in the air. It turned out a drum was leaking cobalt salt. Those leaks are not just ugly—they can end up in storm drains, in soil, and sometimes in nearby streams. Cobalt in water isn’t just bad for fish; it can make its way through the food chain, causing harm as it moves along. Exposure to cobalt compounds affects skin, lungs, and organs. News outlets have traced this stuff from plant floors to offsite landfills, and stories keep surfacing about improper dumping in remote areas.

The Environmental Protection Agency warns about cobalt’s impact: High doses, even short-term, make people cough and can trigger asthma. Over long stretches, cobalt exposure links to heart and thyroid problems. The European Chemicals Agency goes further, listing cobalt sulfate as potentially cancer-causing. Medical fact: A little bit can linger in soils or groundwater for years, so mistakes stick around.

Following the Law Isn’t Optional

I’ve asked environmental safety managers about hazardous waste and they always point to federal (and state) rules. Sitting on bags of cobalt sulfate? The Resource Conservation and Recovery Act makes it clear: You can’t treat this stuff as ordinary trash. Tossing it in the dumpster or pouring it down the drain can trigger fines, lawsuits, or criminal charges. Employees who’ve tried this and got caught tell their stories in fines, not just regrets.

So what needs to happen? Label everything carefully. Mark drums or containers with hazardous waste tags. Contact a certified hazardous waste transporter. Many recyclers accept certain heavy metal compounds, pulling valuable cobalt for industrial reuse. They have specialized kilns or chemical processes to reclaim the metal and keep residue locked away from waterways. If recycling doesn’t fit the bill—let’s say the material carries other contaminants—it heads to a chemical waste landfill designed to trap toxins long-term.

Simple Steps to Safer Disposal

Small quantities pile up too, especially in labs and workshops. Segregate cobalt sulfate away from flammable or reactive chemicals. Keep spills off the floor with chemicals pads and spill kits. Local city governments sometimes hold hazardous waste collection days—good for household and small-business owners.

Companies, universities, and research labs need a waste management plan. Document every transfer and follow up with disposal partners for paperwork. An audit trail proves you aimed to protect the community. I’ve seen organizations cut corners, only to pay later when spills reach the news. So, anyone handling cobalt sulfate—large or small—needs a partner that knows hazardous waste down to the last detail.

Switching to Alternatives

Emerging industries keep hunting for safer battery ingredients and pigments. Some invest in manganese or iron compounds to lower their risk footprint. The world’s not free from heavy metal waste, but with a little pressure from buyers and communities, more companies put safety and sustainability at the front. No, you can’t swap out every process overnight, but steering toward less toxic chemistry over time helps everybody stay safer.

Cobalt Sulfate Monohydrate
Cobalt Sulfate Monohydrate
Cobalt Sulfate Monohydrate
Names
Preferred IUPAC name cobalt(2+) sulfate monohydrate
Other names Sulfuric acid, cobalt(2+) salt (1:1), monohydrate
Cobalt(II) sulfate monohydrate
Monohydrated cobalt sulfate
Pronunciation /ˈkoʊ.bɔːlt ˈsʌl.feɪt məˈnɒh.aɪˌdreɪt/
Identifiers
CAS Number 10026-24-1
Beilstein Reference 4258700
ChEBI CHEBI:53436
ChEMBL CHEMBL1201571
ChemSpider 15316
DrugBank DB11050
ECHA InfoCard 08d2f392-3de6-496d-80b9-7d7bbc5c2dbe
EC Number 233-334-2
Gmelin Reference 60712
KEGG C01841
MeSH D003054
PubChem CID 24853970
RTECS number GF9175000
UNII 8I6RPH07JX
UN number UN3077
Properties
Chemical formula CoSO4·H2O
Molar mass 155.00 g/mol
Appearance Red crystalline powder
Odor Odorless
Density 2.03 g/cm³
Solubility in water 72 g/100 mL (20 °C)
log P -2.6
Vapor pressure Negligible
Acidity (pKa) 6.0
Basicity (pKb) 6.3
Magnetic susceptibility (χ) +1800.0e-6 cm³/mol
Dipole moment 0 D
Thermochemistry
Std molar entropy (S⦵298) 112.6 J·mol⁻¹·K⁻¹
Std enthalpy of formation (ΔfH⦵298) -948.6 kJ·mol⁻¹
Std enthalpy of combustion (ΔcH⦵298) -1635.5 kJ/mol
Pharmacology
ATC code V03AB56
Hazards
Main hazards Harmful if swallowed, causes serious eye irritation, may cause allergic skin reaction, suspected of causing genetic defects, may cause cancer, toxic to aquatic life with long lasting effects
GHS labelling **"GHS05, GHS07, GHS08"**
Pictograms GHS05,GHS07,GHS08,GHS09
Signal word Danger
Hazard statements H302, H317, H319, H334, H341, H350, H360Fd, H410
Precautionary statements P201, P202, P260, P264, P270, P272, P273, P280, P302+P352, P304+P340, P308+P313, P314, P321, P332+P313, P337+P313, P362+P364, P391, P405, P501
Lethal dose or concentration LD50 Oral Rat: 2,068 mg/kg
LD50 (median dose) 5,130 mg/kg (rat, oral)
NIOSH Not Listed
PEL (Permissible) PEL (Permissible Exposure Limit) for Cobalt Sulfate Monohydrate: 0.1 mg/m³ (as Co), OSHA PEL (8-hour TWA)
REL (Recommended) 15 µg/m³
IDLH (Immediate danger) IDHL: 20 mg Co/m³
Related compounds
Related compounds Cobalt(II) sulfate
Cobalt(II) chloride
Cobalt(II) nitrate
Nickel(II) sulfate
Copper(II) sulfate