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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

72-hour EC50 >619 µg/L, based on measured values, and >100 mg/L based on nominal values.
72-hour NOEC = 52 µg/L based on measured values, and 3.7 mg/L based on nominal values.

Key value for chemical safety assessment

EC50 for freshwater algae:
619 µg/L
EC10 or NOEC for freshwater algae:
52 µg/L

Additional information

Due to the fact that the water solubility of the test substance is very low, and consequently the analytical recovery as well, there is a great discrepancy between nominal and measured values. However, only a low inhibition in growth rate was observed at the highest test concentration, and it can be assumed that the theoretical EC50 is very much higher.