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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to aquatic algae and cyanobacteria

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Administrative data

Link to relevant study record(s)

Description of key information

With high probability acutely not harmful to aquatic plants.

Key value for chemical safety assessment

EC50 for freshwater algae:
500 mg/L

Additional information

In a non-GLP, 72-hour static test with the green alga Scenedesmus subspicatus (new name: Desmodesmus subspicatus) similiar to German Industrial Standard DIN 38412 part 9, the algae toxicity of thiodiglycol was investigated. Statistical evaluation of the endpoint growth rate revealed an EC50 (72h) >500 mg/l, related to the nominal concentration.