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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The acute toxicity of isononanol to fish, expressed as LC 50-values ranges from 10.1 mg/l for Oncorhynchus mykisss to 11.0 mg/l for Cyprinus carpio. 

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
11 mg/L

Additional information

Two tests had been performed according to OECD resp EU guidelines with fresh water fish species, Oncorhynchus mykiss and Cyprinus carpio. Measured concentration values were in line with the nominal values. The 96h LC50 values based on measured values range from 10.1 mg/l for O.mykiss to 11.0 for C. carpio. Both tests had been performed to international guidelines and are documented to GLP reqiurements.