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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Water solubility

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Administrative data

Link to relevant study record(s)

Description of key information

A weight-of-evidence approach was used to address this endpoint. 

Key value for chemical safety assessment

Water solubility:
0 g/L
at the temperature of:
20 °C

Additional information

This assessment relates to the main component, aluminium oxide, and the assessment of the slag based upon its main component can be considered as a worst case approach. Generic issues relating to inorganic substances can be considered as appropriate for all other components within the slag.

Data from the key study conducted in 2010, and weight-of-evidence data from prior studies agree that the water solubility of aluminum oxide is very low (0.00002 g/L at 20 °C).