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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Long-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Description of key information

Long term effects on fish are not expected.

Key value for chemical safety assessment

Additional information

According to REACh legislation, Annex IX, 9.1, column 2, studies on the long-term toxicity to fish do not need to be conducted, since available data on aquatic organisms show toxicities of chloromethane far in excess of natural occurring concentrations and the negligible amount of industrial release do notcontribute to this natural background concentrations. Additionally the substance will readily evaporate from the water body. Direct or indirect long-term exposure of the aquatic compartment is unlikely. Further testing is not appropriate and should be avoided due to animal welfare.