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EC number: 203-041-4
CAS number: 102-60-3
In accordance with Column 2 of REACH Annex IX, the study does not need to be conducted as the substance can be expected to have a low potential for sorption (log Kow ≤3). The estimated Koc values for structurally analogue substances range from 4.1 to 116 L/kg for the lowest (least sorptive) and highest (most sorptive) molecular weight homologues. The substance can be regarded as having low affinity for adsorption to soils and activated sludge biosolids.
The estimation of log Koc is based on CAS 25214-63-5 a structural
analogue of CAS 102 -60 -3.
The KOCWIN software is shown to produce estimated log Koc values which
are typically within 0.3 log units of measured values for a set of
amine- and alcohol-bearing substances which are expected to have log Koc
values bracketing that of the test substance. Because the software
training set includes measured Koc values for several aliphatic and
aromatic amine substances, it is expected to provide accurate
predictions of adsorption for amine-initiated NLP polyols, which may
adsorb to soil by a combination of cation-exchange and hydrophobic
partitioning mechanisms. These results are therefore expected to provide
a more realistic estimation of adsorption potential than the HPLC
estimation method, which may be confounded by the surface-activity of
the test substance components and lack of relevant reference substances
(i.e., alcohols, ethers, amines) employed in the OECD 121 guideline.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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