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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

In the key study an EC10 for microorganisms based on cell growth inhibition > 10 g/L is determined after approximately 17 h.

Key value for chemical safety assessment

Additional information

For the alcohol ethoxylate mixture C12 - C13 with up to 2.5 EO (CAS 66455-14-9) no study on microorganisms is available. Thus, a category read-across to the GLP-study conducted with a mixture of C12 - C14 alcohol ethoxylates containing approximately 6EO according to DIN 38412, part 8 is made (Diefenbach, Sasol, 1996).

In this study an EC10 -value > 10 g/L based on cell growth inhibition could be determined. That value is used for PNEC-calculation.