Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Key value for chemical safety assessment

EC50 for freshwater algae:
0.012 mg/L

Additional information

The key algal growth inhibition study is read across from hydrazine which reports a 72-hour EC50 value of 0.012 mg/l (based on the growth rate endpoint). The study is classified as Klimisch Code 2 (reliable with restriction) as it was well reported and detailed and in an open access publication.