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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

NOEC (3 h) >= 100 mg/L (OECD 209)

Key value for chemical safety assessment

Additional information

One GLP study conducted according to OECD guideline 209 over a period of 3 hours with activated sludge of a predominantly domestic sewage is available for Fatty acids, C18-unsatd., dimers, 2-ethylhexyl esters (CAS No. 68334-05-4). Concentrations up to 100 mg/L were directly added to the test medium. After 3 h the EC50 was determined to be > 100 mg/L (corresponding NOEC >= 100 mg/L).