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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Short-term toxicity testing to fish was conducted with Poecilia reticulata under GLP according to OECD guideline 203.

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
560 mg/L

Additional information

The LC50 (96 hours) of propylene glycol butyl ether was >560 mg/l in a GLP guideline study conducted in Poecilia reticulata. This data is supported by the results of a non-GLP non-guideline study of acceptable quality in Pimephales promelas, showing an LC50 (96 hours) of 1060 mg/l These results indicate that PnB is not toxic to freshwater aquatic species.