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EC number: 204-677-5
CAS number: 124-07-2
No experimental data are available on the hydrolytic stability of
the category members Fatty Acids. Due to the ready biodegradability of
the category members, hydrolysis testing is not required. Based on
manufacturing experience with liquid cleaning products, it is known that
Fatty Acids are stable in water (SIDS, 2009).
Based on EPI suite modelled data assuming a hydroxyl reaction at
25°C and a hydroxyl radical concentration of 1.5x106/cm³, aliphatic
acids are subject to photodegradation in air (SIDS, 2009). The
photodegradation half-lives in air decrease with increasing chain
lengths and range from 23.24 hours for hexanoic acid (C6) to 4.56 hours
for docosanoic acid (C22).
Direct photolysis is not expected to contribute appreciably to the
overall breakdown rate in water and soil, since the environmental
degradation of these substances is predominantly of biotic nature.
Reference: SIDS Initial Assessment Report FOR SIAM 29, 2009
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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