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EC number: 500-464-9
CAS number: 160901-27-9
1 - 2.5 moles ethoxylated
Readily biodegradable: 100% (inorg. C) in 28 days (ISO 14593)
Comparing all available readily biodegradation studies, the members of
the AES category are generally to be found readily biodegradable (HERA
 & Danish EPA ).
Since no biodegradability tests are available for AES (C9 -11, 1-2.5EO)
NH4 (CAS 160901-27-9), a read-across approach from the structural
comparable AES (C9-11, 1-2.5EO) Na (CAS 160901-28-0) was applied.
This none-GLP study was performed with domestic sludge according to ISO
Guideline 14593 (Huntsman, 2006). Based on inorganic C analysis a
biodegradation rate of 100% was reported after 28 days.
Therefore, AES (C9 -11, 1 -2.5EO) NH4 (CAS 160901-27-9) is considered to
be readily biodegradable.
 Danish EPA - Environmental and Health Assessment of Substances in
Household Detergents and Cosmetic Detergent Products (2001).
Environmental Project No. 615, pp. 24-28
 HERA - Human & Environmental Risk Assessment on ingredients of
European household cleaning products (2004).Alcohol Ethoxysulphates
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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