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Toxicity to microorganisms

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Description of key information

The 3 hour EC50 for the phenyl ethyl alcohol to the respiration of activated sludge is greater than 100 mg/L and the NOEC was 100 mg/L.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
100 mg/L

Additional information

Givaudan (2010) is a GLP-compliant activated sludge respiration inhibition study following OECD guideline 209. The validity criteria of the guideline is not met but the toxicity range of the reference substance is close to that of the validity criteria and the study is considered to be reliable and suitable for use for this endpoint.