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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

An activated sludge treated predominantly domestic sewage was exposed to test item according to OECD testing guideline 209. 
The results obtained were:
3h EC50 >= 1000 mg/L
3h EC10 = 10 - 32 mg/L
3h NOEC = 10 mg/L

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
10 mg/L

Additional information

The effect of 2 moles ethoxylated bisphenol A dimethacrylate on the respiration rate of an activated sludge treated predominantly domestic sewage was assessed according to the OECD testing guideline 209. Activated sludge was exposed for 3 hours to the test item and the O2 consumption was followed.

Three experiments were performed to determine the EC50, EC10 and NOEC.

The resultes were as follows:

3h EC50 = 1000 mg/L,

3h EC10= 10 - 32 mg/L

3h NOEC = 10 mg/L