Registration Dossier
Registration Dossier
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EC number: 277-335-6 | CAS number: 73263-40-8
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The inhibition of the degradation activity of activated sludge is not anticipated when intraduced in appropriate low concentrations.
Key value for chemical safety assessment
Additional information
There are no studies available for the substance itself. However, a valid studiy on a structural analogue substance (CAS 7023 -61 -2) is available.
The available study did not reveal any inhibitory effect in the highest tested concentration of 100 mg/L. Therefore, the NOEC was deteremined to be >= 100 mg/L which clearly exceeds the water solubility of the compound. Therefore, it can be assumed that the substance has no inhibitory potential of the degradation activity of activated sludge.
For the detailed read across justification please refer to the annex attached to the CSR.
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