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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Activated sludge respiration inhibition test:
EC50 > 1000 mg/L

Key value for chemical safety assessment

EC10 or NOEC for microorganisms:
1 000 mg/L

Additional information

The toxicity of Sodium 2-hydroxyethanesulphonate to microorganisms was investigated in a study according to OECD Guidline no. 209 and according to GLP (activated sludge respiration inhibition test).

The EC50- value is > 1000 mg/L an the NOEC is 1000 mg/L in the activated sludge respiration inhibition test.