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Toxicity to microorganisms

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Description of key information

Toxicity of Reaktiv Rot F-67787 to activated sludge: EC50 > 1000 mg/L

Key value for chemical safety assessment

EC50 for microorganisms:
1 000 mg/L
EC10 or NOEC for microorganisms:
1 000 mg/L

Additional information

The study was conducted in accordance with GLP to the method specified under Commission Directive88/302/EEC ;Official Journal of the EC L 133.Part C: Biodegradability: Test for inhibition of oxygen consumption (corresponds for the most part to the test method OECD 209).

A prescribed quantity of activated sludge is mixed with synthetic medium and the respiratory rate is measured. This rate is compared to those measured in test preparations with various concentrations of the test substance. In order to check the sensitivity of the activated sludge used, 3 5-dichlorophenol is used as a reference substance.

Toxicity of Reaktiv Rot F-67787 to activated sludge: EC50 > 1000 mg/L.The substance is not classified for effects on this basis.