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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

A study is available which was performed with rainbow trout according to EPA Guideline 72-1. DMH was tested at a nominal concentration of 1000 mg/L . The measured concentration of DMH was 972.2 mg/L.  No mortalities occurred.  The LC50 was therefore determined to be > 972.2 mg/L.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
972 mg/L

Additional information