Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Administrative data

Link to relevant study record(s)

Description of key information

According the reference, selenous acids is characterised by a moderate oxidising nature. 

Key value for chemical safety assessment

Additional information

No testing data is available for oxidizing properties of selenous acid. However, based on the description in the handbook, it can not be excluded that selenous acid has oxidising properties.

Justification for classification or non-classification

Since it can not be excluded that selenous acid has oxidising properties based on the oxidising nature described in Holleman & Wiberg, 1995, it is proposed to classify selenous acid