Salts & Minerals
REACH
Cobalt chloride hexahydrate
CAS Number
7791-13-1
EC Number
616-574-6
What is Cobalt chloride hexahydrate?
Cobalt chloride hexahydrate (CAS 7791-13-1), also known as cobalt (II) chloride hexahydrate, is an inorganic cobalt salt; a distinctive pink-to-red crystalline solid.
Where is Cobalt chloride hexahydrate used?
- Industrial chemistry: catalyst precursor, colorant, surface treatment agent
- Electroplating and surface finishing: deposits cobalt-containing layers that improve hardness and corrosion resistance on metal substrates
- Textile and leather processing: dye mordant that fixes colorants to fiber and improves wash fastness
- Agriculture: cobalt micronutrient source in fertilizers and animal feed supplements
- Catalyst manufacturing: precursor for hydrodesulfurization and Fischer-Tropsch catalysts
- It is a pink crystalline powder or granules.
Commercial specifications
- Purity: 97% to 99%+
- Packaging: small drums to bulk quantities
Other Names (Synonyms)
Cobalt dichloride hexahydrate|cobalt chloride hydrate|cobalt (II) chloride hexahydrate|Chlorek cobaltawy|Cobaltous chloride, hexahydrate|Chlorek cobaltawy [Polish]|Cobalt chloride (CoCl2), hexahydrate|Cobalt(2+) chloride hexahydrate
What are the physical properties of Cobalt chloride hexahydrate?
Melting Point 86 °C
Boiling Point 1049 °C
Density 3.35
Appearance Blue crystalline powder
Color Red-purple
Odor Odorless
Form Solid
Water Solubility Soluble in water, ether, acetone and alcohol.
Vapor Pressure 40 mm Hg ( 0 °C)
pH 4.9 (50g/l, H2O, 25℃)
Log P -1.380 (est)
How is Cobalt chloride hexahydrate classified and handled safely? Learn More
Danger
GHS05· Corrosive GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard
Hazard Statements
H302 Harmful if swallowed
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H332 Harmful if inhaled
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 chloride hexahydrate?
HS Code 28273400
UN Number 3260
ADR Class 8
Packing Group II
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
WGK (Germany) 2