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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Reliable data from a peer reviewed handbook (CRC Handbook) is available and well-documented publication, which both are considered as trusted source. 

Key value for chemical safety assessment

Water solubility:
898 g/L
at the temperature of:
25 °C

Additional information

The water solubility of sodium selenite was reported to be 898 g/L at 25 °C in a peer reviewed handbook.

Masson determined the solubility of sodium selenite to be:

877 g/L at 23.2°C, 897 g/L at 26.4°C and 955 g/L at 50.0°C.