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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

effect values for growth rates of Pseudokirchneriella subcapitata, 0-72 h (OECD 201, EU C.3):

EC50: 13-32 mg/L, NOEC: 3-8 mg/L

Key value for chemical safety assessment

EC50 for freshwater algae:
32 mg/L
EC10 or NOEC for freshwater algae:
8 mg/L

Additional information

Two comparable studies performed with green algae are available. The results of both studies are in the same range. Methanol was used to prepare the test solutions in the one study. Key values for the chemical safety assessment are taken from the study which did not use solvent.