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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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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Link to relevant study record(s)

Description of key information

2 mg p-TSA/L was readily biodegradable and was not toxic to the microorganisms.

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information

Two valid studies are available on the biodegradability of p-TSA. One is a publication, valid with restrictions, in wich the degradation pathway is described and from which can be concluded that p-TSA is readily biodegradable. The other study is a full GLP Closed bottle Test according to standard guideline, valid without restrictions, from which can be concluded that 2 mg/L p-TSA was readily biodegradable and was not toxic to the microorganisms as the toxicity control with Acetate showed.