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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Samarium oxide is only slightly soluble in water at standart temperatur (20°C) and pH = 5.5
At neutral ph and 25°C there is a literature value of 68 µg/L, also from this value Samarium oxide is considered to be only slighty soluble in water.

Key value for chemical safety assessment

Water solubility:
963 µg/L
at the temperature of:
20 °C

Additional information