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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 is not anticipated when methacrylaldehyde is introduced in appropriate low concentrations.

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Additional information

The toxicity to microorganisms was determined in a GLP short-term respiration test according to OECD guideline 209 using domestic sludge. After 30 min an EC20 of ca. 180 mg/L was determined (BASF, 2005).