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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

Toxicity from an OECD 209 (respiration inhibition) guideline study on EC 283-392-8 was used for read-across. The effect of the test material on the respiration of activated sewage sludge gave an EC50 of >10,000 mg/L

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
10 000 mg/L

Additional information

Read-across from other, structurally closely related ZDDPs is justified because of structural similarity and analogy of properties and effects.