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Ecotoxicological information

Toxicity to microorganisms

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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.