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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

The aquatic toxicity of BHT was determined in reliable short term tests with fish, daphnia, algae and microorganisms. The following key values were obtained:

Fish, Leuciscus idus melanotus: LC50 (48 h): 76 mg/L

Daphnia magna: EC50 (48 h): 9.1 mg/L

Green algae Pseudokirchneriella subcapitata: EC50 (72 h, GR): 5 mg/L, EC10 (72 h, GR): 0.54 mg/L

Activated sludge respiration inhibition: EC50 179 mg/L

Additional information