SoleChem

Cobalt sulfate

CAS
10124-43-3
EC
233-334-2
Mol. Weight
155.00 g/mol

Description

Cobalt sulfate (CAS 10124-43-3), also known as cobalt monosulfate, is an inorganic cobalt salt used across electroplating, battery manufacturing, and agricultural micronutrient applications.

It serves as a primary cobalt source in processes requiring controlled cobalt ion delivery at industrial scale. In electroplating and surface finishing, it is used in bath formulations to deposit cobalt.

These cobalt-alloy coatings improve hardness and wear resistance on metal components. Battery and energy storage manufacturers use it as a precursor in synthesizing cathode active materials for lithium-ion chemistries.

In agriculture, it is applied as a micronutrient supplement in fertilizers and animal feed to address cobalt deficiencies in livestock and soil. This ensures proper health and growth in various environments.

Catalyst producers also use this chemical as a precursor for cobalt-based catalysts in hydroprocessing and chemical synthesis operations. It is a versatile component for many high-tech industrial sectors.

The material is supplied primarily as a heptahydrate crystalline solid, with the anhydrous form available for specific technical applications. Standard commercial grades include technical grade and battery-grade.

Battery-grade material is subject to tighter purity specifications relevant to cathode precursor production. Packaging typically ranges from small drums to bulk quantities for large-volume industrial buyers.

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Physical Properties

Melting Point 735 °C
Density 3.71 g/cm³ @ Temp: 25 °C
Appearance Red powder or rose pink crystalline solid. Odorless.
Color red orthorhombic crystals, crystalline
Odor Odorless
Form red orthorhombic crystals
Water Solubility dissolves slowly in boiling H2O [MER06]; g/100g solution H2O: 19.7 ± 0.1 (0°C), 27.2 ± 0.1 (25°C), 27.8 (100°C); solid phase, CoSO4 · 7H2O (0°C, 25°C), CoSO4 ·H2O (100°C) [KRU93]
Vapor Pressure 0Pa at 20℃
Refractive Index 1.639
Log P -1.031 (est)

Safety & Handling (Learn More)

Danger GHS07 GHS08 GHS09
Hazard Statements
H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
H341 Suspected of causing genetic defects
H350 May cause cancer
H351 Suspected of causing cancer
H360 May damage fertility or the unborn child
H372 Causes damage to organs through prolonged or repeated exposure
H400 Very toxic to aquatic life
H410 Very toxic to aquatic life with long lasting effects
Precautionary Statements
P203 Obtain, consult and follow expert instructions for use.
P233 Keep container tightly closed.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P284 In case of inadequate ventilation wear respiratory protection.
P318 IF exposed or concerned, get medical advice.
P319 Get medical advice/attention if you feel unwell.
P321 Specific treatment (see … on this label).
P330 Rinse mouth.
P391 Collect spillage.
P403 Store in a well-ventilated place.
P405 Store locked up.
P501 Dispose of contents/container in accordance with local regulations.
P264+P265 Wash … thoroughly after handling.
P301+P317 Get emergency medical help.
P302+P352 IF ON SKIN: Wash with plenty of water.
P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P333+P317 Get emergency medical help.
P337+P317 If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P342+P316 Get emergency medical help immediately.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

UN Number 3082
ADR Class 9
Packing Group III
Storage Class 6.1C - Combustible acute toxic Cat.3 toxic compounds or compounds which causing chronic effects
WGK (Germany) 2

Documentation

Other Names

CoSO4|cobalt monosulfate|cobalt brown|cobalt (2+) sulfate|cobaltous sulfate|Cobalt(II) sulfate|Cobalt(II) sulphate|Cobalt sulfate (1:1)

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