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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

Depending on local conditions and existing concentrations, disturbances in the biodegradation process of activated sludge are possible.

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
0.29 mg/L

Additional information

As key study concerning acute toxicity to microorganisms a test performed by BASF (1982) according to German Industrial Standard DIN 38412 part 8 was identified, using Pseudomonas putida as test organism. In the static test an EC10 of 0.29 mg/l was calculated after 17 hours of exposure.