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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Acutely toxic for fish, analogy to citral (CAS 5392-40-5)

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
6.78 mg/L

Additional information

The acute toxicity of (Z)-3,7-Dimethylocta-2,6-dienal was derived from the isomer citral (CAS 5392-40-5). For citral, the acute toxicity to fish was determined in a study performed in accordance to the German national standard guideline DIN 38412, which is also in agreement with the OECD Guideline 203. A 96 h-LC50=6.78 mg/L (nominal) was obtained as the geometrical mean of the LC0 value (4.6 mg/L) and the LC100 value (10 mg/L).