Cobalt carbonate

CAS Number
513-79-1
EC Number
208-169-4

What is Cobalt carbonate?

Cobalt carbonate (CAS 513-79-1), also known as cobaltous carbonate, is an inorganic cobalt salt.

Where is Cobalt carbonate used?

  • Mining and metals: precursor for cobalt oxides, cobalt powders, and hard metal alloys used in cutting tools
  • Coatings and pigments: cobalt for ceramic glazes, glass colorants, and drying agents for alkyd-based paints
  • Catalyst precursor: calcined or reduced to generate active cobalt species for hydroprocessing and Fischer-Tropsch synthesis
  • Water treatment: pH-buffering capacity stabilizes process streams where cobalt dosing is required.

Commercial specifications

  • Purity typically 99% for laboratory uses down to technical grades for metallurgical processing
  • Meets USP and ACS standards where applicable
  • Packaging from small drums to bulk quantities

Other Names (Synonyms)

cobaltous carbonate|Cobalt(2+) carbonate|Cobalt spar|Cobalt monocarbonate|Cobalt carbonate (1:1)|Carbonic acid, cobalt(2+) salt|Cobalt(2+) carbonate (CoCO3)

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What are the physical properties of Cobalt carbonate?

Melting Point decomposes [KIR79]
Density 4.2 g/cm³
Appearance Violet Powder
Color Pink
Form Powder
Water Solubility Insoluble in water, alcohol and methyl acetate.
Vapor Pressure 0Pa at 20℃

How is Cobalt carbonate classified and handled safely? Learn More

Danger
GHS08· Health Hazard GHS09· Environmental Hazard GHS07· Irritant

Hazard Statements

H302 Harmful if swallowed
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H319 Causes serious eye irritation

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.

Which trade and regulatory codes apply to Cobalt carbonate?

HS Code 28369930
WGK (Germany) 3
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