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Ecotoxicological information

Toxicity to microorganisms

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Link to relevant study record(s)

Description of key information

EC50 > 100 mg/l, nominal

Key value for chemical safety assessment

EC50 for microorganisms:
100 mg/L
EC10 or NOEC for microorganisms:
100 mg/L

Additional information

Two tests are available for Direct Black 19 both performed following OECD 209 (Activated Sludge, Respiration Inhibition Test).

The results show no toxicity to microorganism.