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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 freshwater has been selected from OECD guideline 203 study with Danio rerio. Key value for marine environment has been selected from modified 203 study with Cyprinodon variegatus.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
180 mg/L

Marine water fish

Marine water fish
Effect concentration:
55 mg/L

Additional information

Two short-term freshwater studies with Brachydanio rerio has been available showing an effect value LC50 more than 100 mg/L. Based on these results and the results from the test in the other trophic levels fish as higher tier consument is considered as least sensitive to benzotriazoles. Available marine water study with Tolyltriazole indicate moderate toxicity towards fishes, too.