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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The effective concentration (EC 50 ) value of diiodohydroxyquinoline in Pseudokirchneriella subcapitata in a 72 hr study on growth effect was estimated to be 10.39058 mg/L. But the BCF value of diiodohydroxyquinoline reported was not >= 500 as well as the substance was found to be rapidly degradable.Thus considering the CLP Criteria for aquatic classification of the substance , it is concluded that diiodohydroxyquinoline could not exhibit short term toxicity to aquatic algae

Key value for chemical safety assessment

EC50 for freshwater algae:
10.391 mg/L

Additional information