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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

A 301F study was performed on Thioglycolic acid. With 95.8 % degradation and respecting the 10-day window, the substance is considered as readily biodegradable.

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable
Type of water:

Additional information

Several supporting studies were carried out for assessing biodegradation potential of thioglycolic acid under different conditions. Due to methodological differences (adapted sludges, deviations in exposure conditions, temperature and/or pH adapted, etc), the conclusions of those tests regarding real biodegradation potential of thioglycolic acid are different. Nevertheless based on the available data the weight of evidence allows to conclude that thioglycolic acid is ready biodegradable.