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Toxicity to microorganisms

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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).

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