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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

In an OECD209 test, the 3h-EC50 was > 1000 mg/L (nominal) and the 3h-NOEC was 1000 mg/L (Harlan Laboratoried, Ltd., 2010)

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
1 000 mg/L

Additional information

One GLP compliant guideline study (OECD 209) is available for tripropylene glycol. No significant effects were observed at concentrations of 10, 32, 100, 320 and 1000 mg/L.