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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The inhibition of the degradation activity of activated sludge in a STP is not anticipated when introduced in appropriate low concentrations.

Key value for chemical safety assessment

Additional information

As key study a short-term respiration inhibition according to ISO 8192 and performed by BASF with domestic activated sludge (1990) was identified. After 30 minutes an EC20 of 160 mg/l was measured.