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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Additional information

Triazole 1,2,4 sodium salt is harmful to algae exposed during 72 h to a range of concentrations up to 100 mg/L. In the test conditions, the ECr50 -72h is 58.1 mg/L and the NOECr is 9.4 mg/L.