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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 aquatic algae and cyanobacteria

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Administrative data

Link to relevant study record(s)

Description of key information

The toxicity of Initiator 94 on the alga Desmodesmus subspicatus was tested according to OECD Guideline 201 and EU-Method C.3. 

Key value for chemical safety assessment

EC50 for freshwater algae:
16.4 mg/L
EC10 or NOEC for freshwater algae:
6.8 mg/L

Additional information

As the test item is poorly water soluble, water-accomodated fractions (WAF) were prepared. Analytical measurements revealed that the test item concentrations were stable over the test period.