Apperance
|
blue crystals hygroscopic
|
Boiling Point
|
170 °C (trihydrate, decomposes)
|
Density
|
3.05 g/cm3 (anhydrous) 2.32 g/cm3 (trihydrate) 2.07 g/cm3 (hexahydrate)
|
Melting Point
|
256 °C (anhydrous, decomp) 114.5 °C (trihydrate) 26.4 °C (hexahydrate, decomposes)
|
Solubility
|
trihydrate: 137.8 g/100 mL (0 °C) 1270 g/100 mL (100 °C) in water
|
Solubility
|
hydrates very soluble in ethanol, ammonia, water; insoluble in ethyl acetate
|
EU Index
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Not listed
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Main Hazard
|
Irritant, Oxidizer
|
NFPA704
|
|
RTECS
|
GL7875000
|