Registration Dossier

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

Description of key information

-the monohydrate starts melting in nitrogen at 231°C, in air at 229°C.
-the hexahydrate starts melting in nitrogen at 56°C, in air at 204°C.
-the heptahydrate starts melting in nitrogen at 56°C, in air at 196°C.
-the monohydrate starts decomposing in nitrogen at 231°C, in air at 229°C.
-the hexahydrate starts decomposing in nitrogen at 208°C, in air at 204°C.
-the heptahydrate starts decomposing in nitrogen at 200°C, in air at 196°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
229 °C

Additional information

Different forms of the substance were tested.