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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Ecotoxicological information

Short-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Description of key information

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Dose descriptor:
Effect concentration:
> 100 mg/L

Additional information

LC50-96-h value for thioglycolic acid has been estimated for Oncorhynchus mykiss following flow-through exposure scenario (Böttcher, 2008). The concentrations were maintained throughout the test and 96h-LC50 determined is >100 mg/L (nominal) demonstrating that thioglycolic acid is of low toxicity to fish.