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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Since thiosulfates are inorganic substances, they are not subject to any biodegradation in the aqueous environment. 

Key value for chemical safety assessment

Additional information

Since thiosulfates are inorganic substances, they will not undergo biodegradation. Instead, being reducing agents, they will rather be subject to oxidation processes mediated by microorganisms, or will be transformed by disproportionation to other sulfur substances (e.g., sulfites and sulfates).