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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Two studies on toxicity to microorganisms in sewage sludge treatment plants are available, both were performed according to OECD 209 and are considered to be reliable. The key study with an EC50 and EC10 (3-h) of resp. 56 and 16 mg/L was performed with the Tallow based ethoxylated diamine. The supporting study was also performed with a tallow based ethoxylated diamine and had an EC50 (3-h) of 70 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
56 mg/L
EC10 or NOEC for microorganisms:
16 mg/L

Additional information