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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

EC50 (3 h) > 10000 mg/L based on respiration rate (according to OECD 209)

Key value for chemical safety assessment

EC50 for microorganisms:
10 000 mg/L

Additional information

As no study is available for Blankophor TP 1160 (CAS 1200448-68-5), a read-across is performed to a study conducted with the structural analogue CAS 16470-24-9. This GLP-study was conducted similar to OECD guideline 209 (Bayer AG, Kemira, 1999). The resulting EC50 (3 h) was > 10000 mg/L (nominal) based on the respiration rate of activated domestic sludge.