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Physical & Chemical properties

Appearance / physical state / colour

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Administrative data

Link to relevant study record(s)

Description of key information

Aluminium sulphate (anhydrous) is a white, odourless, solid.
Octadecahydrate and other hydrated forms are expected to be solid too (from literature and experiment on analogue).

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

A reliable literature source is provided for the reference substance (anhydrous form), and is considered as key data.

Supporting information on the common hydrated forms 18 and 14 H2O is extrapolated from literature and from description of an analogue in an experimental report.