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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

The supporting study from Abraham et al gave an estimated EC50-2h for Aspidisca cicada and Vorticella convallaria
of 14.56 mg and 17.15 mg dissolved AlK(SO4)2/ kg as dry weight.
The key study from Chowdhury et al. gave an estimated EC50-4h for Vibrio species of 630 mg/L as total
aluminium potassium bis sulphate.
Based on the Key -and supporting study of toxicity to microorganisms
the calculated EC50 for aluminium potassium bis sulphate is 630 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
630 mg/L

Additional information

Based on the Key -and supporting study of toxicity to microorganisms

the calculated EC50 for aluminium potassium bis sulphate is 630 mg/L.