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Ecotoxicological information

Toxicity to microorganisms

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Description of key information

Key value for chemical safety assessment

EC50 for microorganisms:
169 mg/L
EC10 or NOEC for microorganisms:
122 mg/L

Additional information

A Respiration Inhibition Test according to OECD Guideline No. 209 was performed.Test system was activated sludge of the municipal treatment plant of D-31157 Sarstedt.The respiration rates of control, reference and test item concentrations were measured after a contact time of three hours, and the inhibitory effects of the test and reference item were determined in comparison to the control respiration rates.The EC20-, EC50- and EC80-values were 122, 169 and 230 mg/L, respectively.