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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Biodegradation in soil

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Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Additional information

The biodegradability under anaerobic and aerobic conditions as well as the elimination are well investigated for 2-mercaptoethanol. Based on the results of the OECD 309 study, the substance degrades in the aquatic environment to a level of >70% within a 28 day period and therefore, the substance is considered to be rapidly biodegradable. Therefore, it is concluded that the substance biodegrades under environmental conditions.