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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

The estimated 72-hr EL50 value for activated sludge is 661.11 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
661 mg/L

Additional information

Measured data are not available for propene for this endpoint. Propene is a gas at standard temperature and pressure and is expected to partition primarily to air, therefore aquatic toxicity tests may not be relevant. In addition, it is technically difficult to maintain aqueous concentrations of gases for toxicity testing.Two QSAR models have been used to estimate the toxicity to microorganisms:

The Target Lipid Model calculated an EL50 of 661.11 mg/L.