Registration Dossier
Registration Dossier
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EC number: 293-883-9 | CAS number: 91648-24-7
Endpoint summary
Administrative data
Description of key information
An OECD 121 study, using the HPLC method, was conducted to estimate the adsorption coefficient of the three main components of Allyl Pentaerythritol to be log10Koc0.6 (Pentaerythritol diallyl ether), 1.8 (Pentaerythritol triallyl ether) and 2.9 (Pentaerythritol tetraallyl ether), respectively, at 25°C
If significant apparent dissolved organic carbon (DOC) removal is shown to occur within the first 3-hours of the test, it is assumed that this removal has occurred too rapidly to have resulted from microbial degradation processes and it is instead assumed to be the result of a phase transfer from solution caused by adsorption (e.g. to walls of the test vessel and/or activated sludge inoculum). Adsorbed test substance will therefore be obscured from the analysis used to measure residual DOC in the test.
A reliable OECD 302B study is available for 1,3-propanediol, 2,2- bis(hydroxymethyl) -, allyl ether (Carlsson, 1997) which showed that there was no such DOC loss at 3-hours (or at any other point in the test), therefore it is concluded that 1,3-propanediol, 2,2- bis(hydroxymethyl) -, allyl ether does not have significant adsorption tendency.
Additional information
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