Carc. Cat. 2

Repr. Cat. 2

Very toxic (T+)

Dangerous for the environment (N)

Muta. Cat. 2

048-009-00-9

S53,S45,S60,S61

R45,R46,R60,R61,R25,R26,R48/23/25,R50/53

280 mg/kg (oral, rat)

EV2700000

2570

insoluble in ethanol

anhydrous:
75 g/100 mL (0 °C)
76.4 g/100 mL (25 °C)
58.4 g/100 mL (99 °C)

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octahydrate:
very soluble in water

4.691 g/cm³ (anhydrous)
3.79 g/cm³ (monohydrate)
3.08 g/cm³ (octahydrate)

123 J·mol^-1·K^-1

-935 kJ·mol^-1

White hygroscopic solid

1000 °C (anhydrous)
105 °C (monohydrate)
40 °C (octahydrate)

(decomposes to basic sulfate and then oxide)