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EC number: 500-465-4
CAS number: 160901-28-0
1 - 2.5 moles ethoxylated
According to column 2 of EC 1907/2006 Annex VIII the testing on
“Adsoption/Desorption” does not need to be conducted if the substance
has a low potential for adsorption (e.g. the substance has a low octanol
water partition coefficient) or if the substance and its degradation
products decompose rapidly. Based on log Kow ≤ 3 the potential for
adsorption of alkyl ether sulfates is quite low. Hence, testing of the
adsorption and desorption attributes of the category members is not
However, to estimate PNEC sediment by the equilibrium partitioning
method data of the sorption behavior of alkyl ether sulfates are needed.
Since measured sorption values are not available for the test substance
the Koc was calculated using the QSAR for “Predominantly hydrophobics”
from Sabljic & Gusten (1995).
Based on an experimental determined log Kow-value of -0.858 the
calculated log Koc value for AES (C9 -11, 1 -2.5EO) Na (CAS 160901 -28
-0) is -0.595 (corresponding Koc = 0.25 L/kg).
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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