Phoenix College - - Chemical Data Sheet
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cobalt (II) chloride hexahydrate
CoCl₂^.6H₂O    fw=237.93

Hazards

Avoid contact with cobalt (II) chloride.
Do not breath vapor or dust. Do not consume.

May cause dermatitis. Inhalation of dust may cause pulmonary symptoms.

Poison by subcutaneous, intravenous and intraperitoneal routes (injected). Moderately toxic by ingestion. (21,3)

Emergency Procedures

Wash contact area with plenty of soap and water (21)

Toxicity

Exposure limits, acute, cancer and reproductive effects:
Experiments show that the toxicity of cobalt compounds is low. An experimental teratogen, experimental reproductive effects. (21)

Contact low (21)
Inhalation low (21)
Ingestion LD50 (rat) 766 mg/kg (21)

Flammability and Explosion Hazard

Cobalt chloride is not flammable. (21)
Cobalt chloride is not explosive. (21)

Flashpoint ()
Autoignition Temperature ()
Upper Explosive Limit (UEL) ()
Lower Explosion Limit (LEL) ()
Vapor Density ()

Decomposition

Cobalt (II) chloride hexahydrate will lose six water molecules at 110 °C further decomposing at 724 °C. (2)

Decomposition Temperature: 724°C (2)
Decomposition Products: toxic chlorides (21)

Chemical Incompatibility

none (21)

Other Properties

Melting Point	86°C (2)
Boiling Point	decomposes (2)
Solubility in Water	190 g/100mL @ 100°C (2)
Density	1.924 g/mL @ 25°C (2)
Other Chemical and Physical Properties: (21,2)
red crystals, slightly acidic

Spill Procedure

Collect and deposit in metal compound waste container. (21,4)

Waste Disposal

Contain with other waste metal salts. (4)

Storage

Store in well-closed glass or plastic containers in a cool location. (21)