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EC number: 211-694-1
CAS number: 687-47-8
Ethyl-(S)-propionate does not impair microbial respiration rates at concentrations up to the limit concentration of 1000 mg/L. The substance is not hazardous for activated sludge microorganisms.
In an activated sludge respiration inhibition according to OECD test
guideline 209 ethyl-(S)-hydroxypropionate did not impair the respiration
rate of the test inoculum at concentrations up to 1000 mg/L. Therefore,
ethyl-(S)-hydroxypropionate is not harmful to activated sludge
microorganisms within the relevant range of test concentrations. No
hazard to microorganisms associated with ethyl-(S)-propionate has been
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