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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

EC50 Pseudokirchnerella subspicata: > 10000 mg/L
NOEC Pseudokirchnerella subspicata: 5000 mg/L
EC50 Scenedesmus subspicatus: > 1000 mg/L
NOEC Scenedesmus subspicatus: > 1000 mg/L

Key value for chemical safety assessment

EC50 for freshwater algae:
10 000 mg/L
EC10 or NOEC for freshwater algae:
5 000 mg/L

Additional information

One key-study and one supporting information are available in Pseudokirchnerella subcapitata and Scenedesmus subspicatus for toxicity to algae. The most reliable EC50 determined was > 10000 mg/L.