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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

EC50(3h) > 1000 mg/L (nominal)

Key value for chemical safety assessment

EC50 for microorganisms:
1 000 mg/L
EC10 or NOEC for microorganisms:
1 000 mg/L

Additional information

The respiration inhibitory effects of the test item to the microorganisms of activated sludge of a municipal sewage treatment plant were investigated according to test Guideline OECD 209, under aerobic static conditions over an exposure time of 3 hours. After 3 hours of exposure, no significant inhibition of the activated sludge respiration was observed, as compared to the blank controls. The 3h-EC50 value the test item to activated sludge is >1000 mg/L. All validity criteria were fulfilled.