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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

For C.I. Direct Blue 264 an EC10 of 419 mg/L and an EC50 of 3490 mg/L were obtained in a test for toxicity to microorganisms. The effect values relate to nominal concentrations, since no analytical monitoring was performed. 

Key value for chemical safety assessment

EC50 for microorganisms:
3 490 mg/L
EC10 or NOEC for microorganisms:
419 mg/L

Additional information