Registration Dossier
Registration Dossier
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EC number: 431-770-1 | CAS number: 216698-07-6
Endpoint summary
Administrative data
Description of key information
Additional information
Stability
In accordance with Regulation 1907/2006/EC, Annex VIII, 9.2.2.1 column 2, testing does not need to be conducted as the test substance is highly insoluble in water (0.1 mg/L at 20°C).
Biodegradation
Two studies on the biodegradation in water were performed. In the first study (Bayer, 1999) according to EEC Directive 84/449/EEC C.4 "Manometric Respirometry Test" 0 % was biodegradable within 28 days, at a concentration of 100 mg/L. In a second study (Institute of Ecotoxicology, Japan, 2005) according to the OECD-Guideline No. 301 C "Modified Miti Test" 1 % was biodegradable within 28 days at a concentrations of 100 mg/L was observed. The results of both studies indicate that the test item is not readily biodegradable.
Bioaccumulation
In a bioaccumulation study according to OECD TG 305 bioconcentration factors (BCF) for the test substance were determined in Japanese Carp incubated in a continuous flow through system. Of the two concentrations tested, 0.5 mg/L was higher than the water solubility (< 0.1 mg/L), whereas 0.05 mg/L is considered to represent a water soluble concentration. The BCF was 49 for the high concentration level and < 30 for the low concentration level.
Furthermore, according to three diferent QSAR models the substance is considered as not bioaccumulative.
Adsorption
The adsorption coefficient was estimated with EPIWIN. The log Koc was calculated to be 6.5 (estimate from Log Kow).
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