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Ecotoxicological information

Toxicity to microorganisms

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Link to relevant study record(s)

Description of key information

A read-across study on BPA 6.3EO gave a 30 minute EC20 of 230 mg/L based on respiration inhibition of activated sludge. A no-effect concentration was not reported. 

Key value for chemical safety assessment

EC50 for microorganisms:
230 mg/L

Additional information

A read-across study was conducted to assess the toxicity of the test substance to microorganisms. The study is considered reliable as it was conducted using OECD Testing Guideline 209. The study was conducted using domestic activated sludge and gave a 30 minute EC20 of 230 mg/L based on respiration inhibition on BPA 6.3EO. The weight of evidence indicates that the registered substance is not toxic to microorganisms.