Registration Dossier
Registration Dossier
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EC number: 435-190-8 | CAS number: 246871-16-9
Endpoint summary
Administrative data
Description of key information
Additional information
Study reports have been available for the ready biodegradability test and adsorption/desorption test. Hydrolysis test and simulation tests were waived. The results are summarized as below:
FAT 41029/A was investigated for its ready biodegradability in the "Manometric Respirometry Test" according to OECD No. 301F. The biodegradation of test item after 28 days was 0 %. In the procedure controls, the reference compound was readily biodegraded by an average of 87 % after 14 days of exposure in a 10-day window within the 28-day test period. Thus, the test item FAT 41029/A was not readily biodegradable after 28 days of incubation.
The adsorption coefficient Koc of FAT 41'029/A was estimated to be 66865 or higher based on a water solubility of below 0.007 mg/l and the molecular weight of 495.3 g/mol using the regression equations (Lyman, Reehl, Rosenblatt: Handbook of Chemical Property Estimation Methods, 1990) . Additionally, an estimation was performed based on the octanol/water partition coefficient of log Pow = 3.6. It resulted in a Koc value of 2165, which appears more reasonable as this value is based on the measured logPOW. Thus, FAT 41'029/A is immobile in soils.
In accordance with Column 2 of REACH, Annexes VIII the hydrolysis tests do not need to be conducted as the substance is highly insoluble in water. Thus, no additional hydrolysis test is necessary.
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