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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

In the absence of ecotoxicity data for this substance data have been read across from a soluble rhenium compound, as is standard practice for the hazard and risk assessment of metals. The EC50 value, expressed as perrhenic acid, is 209.44 mg/L, for growth rate.

Key value for chemical safety assessment

Additional information

Data have been read across from sodium rhenate. Evonik Stockhausen (2010) is a GLP compliant, guideline study and is considered suitable for use as the key study for this endpoint. Five test concentrations were used: 6.25, 12.5, 25, 50 and 100 mg/l. Recovery rates in analytical determinations were between 100% and 104% of nominal. Test results were therefore expressed as nominal concentrations.