Registration Dossier
Registration Dossier
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EC number: 600-736-8 | CAS number: 106276-80-6
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 introduced in appropriate low concentrations.
Key value for chemical safety assessment
Additional information
Since no data of the toxicity on microorganisms for the described pigment are available, a read-across to similar pigments (CAS 30125-47-4 and EC 600-735-2) is used to cover this endpoint. In two GLP guideline study according to OECD 209 with domestic activated sludge as inoculum changes in the respiration rate were investigated. In the key study (EC 600-735-2) after 3 hours incubation time an EC10 of > 1000 mg/L was determined [BASF SE 2014]. The supporting study [Ecology and Environmental Analytics, BASF AG 1998] gave an EC50 > 1000 mg/L after an incubation time of 30 min. Therefore, the inhibition of the degradation activity of activated sludge is not anticipated when introduced in appropriate low concentrations.
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