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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

The effect of 6H-Dibenz [c,e] [1,2] oxaphosphorin 6,6'( 1,2-ethanediyl) bis-6,6'-dioxide on the respiration of activated sewage sludge micro-organisms gave a 3-Hour EC50 value of greater than 1000 mg/l. The No Observed Effect Concentration (NOEC) after 3 hours exposure was 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