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Toxicity to microorganisms

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Description of key information

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

Key value for chemical safety assessment

Additional information

To determine the inhibition of microbial activity by the multi-constituent substance, a non-GLP study carried out for the component the component 1,8-Diazabicyclo(5.4.0)-undec-7-ene (CAS 6674-22-2) is available. The test procedures followed the guideline ISO 8192. After 30 min an EC20 of 650 mg/L was measured.