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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

3 hr NOEC respiration inhibition (activated sludge) = 1000 mg/L (nominal).  No inhibition was observed.

Key value for chemical safety assessment

Additional information

Toxicity to microorganisms has been tested with a sample of activated sludge from a domestic waste water treatment plant over a 3 hr period at nominal concentrations from 10 to 1000 mg/L. No effects were observed and the NOEC value is 1000 mg/L.