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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 72 h EC 50 (yield and growth) for Desmodesmus subspicatus to Ammonium perrhenate was 103.77 and 139.57 mg/L respectively. LOEC and NOEC for both yield and growth were 100 and 50 mg/L respectively.

Key value for chemical safety assessment

Additional information

Evonik Stockhausen (2010) is a GLP compliant, guideline study considered suitable for use as the key study for this endpoint. The study was conducted as a 72 -hour static test. Five test concentrations were used in the study, 6.25, 12.5, 25, 50, 100 mg/L. Recovery rates were between 100% and 104% of nominal concentrations. Test results are therefore based on nominal concentrations.