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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

With a high probability undecanedioic acid is acutely not harmful to fish.

Key value for chemical safety assessment

Additional information

The toxicity to fish of the test substance was evaluated according to OECD Guideline 203. The test organisms were examined in a negative control and in a definitive test group with treatment of the test item at the nominal concentration 100 mg/l. No test organisms showed visible signs of abnormalities and there were no mortalities in either the negative control or definitive test group. In this limit test the LC50 was determined to be >100 mg/l.