Registration Dossier
Registration Dossier
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EC number: 293-014-3 | CAS number: 91032-08-5
Endpoint summary
Administrative data
Description of key information
Additional information
Hydrolysis
Waiving according to "column 2" in Annex VIII of REGULATION (EC) No 1907/2006. The study need not to be conducted because the Substance is readily biodegradable.
Biodegradation in water: screening tests
Regarding the biodegradation of the test item the 10 % level (beginning of biodegradation) was reached after 3 days. The biodegradation reached the pass level of 60 % on day 14. The mean biodegradation came to a maximum of 97 % after 28 days.
The validity criteria according to the guideline are fulfilled. The abidance of the 10-day window is not to be considered because the substance is a UVCB.
The test item must be regarded as readily biodegradable after 28 days.
In a supporting study regarding OECD Guideline 302B the mean biodegradation came to a maximum of 88% after 28 days.Based on these results the test item be termed as ultimately biodegradable under the conditions of the OECD guideline no. 302, since more than 70 % degradation was attained after 28 days of contact time.
Biodegradation in water and sediment: simulation tests
Waiving according to "column 2" in Annex IX of REGULATION (EC) No 1907/2006 (CSA does not indicate need for further investigations). The study need not be conducted because a direct and indirect exposure of sediment is unlikely. Substance is readily biodegradable
Biodegradation in soil
Waiving according to "column 2" in Annex IX of REGULATION (EC) No 1907/2006 (CSA does not indicate need for further investigations). The study need not be conducted because a direct and indirect exposure of soil is unlikely. Substance is readily biodegradable.
Bioaccumulation
Waiving according to "column 2" in Annex IX of REGULATION (EC) No 1907/2006. The study need not to be conducted because the substance has a low potential for bioaccumulation. The Log Kow is 3.23 and the calculated BCF for fish is 111 L/kg. The substance is readily biodegradable.
Transport and distribution
Waiving according to "column 2" in Annex VIII and IX of REGULATION (EC) No 1907/2006. The study need not to be conducted because based on the physicochemical properties the substance can be expected to have a low potential for adsorption (Log Kow 3.23). The Substance is readily biodegradable.
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