Registration Dossier
Registration Dossier
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EC number: 614-682-8 | CAS number: 68647-95-0
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
Hydrolysis has been determined by means of QSAR calculations using Hydronwin Vs.2.00 by US EPA. The half-life of the main comonents of the UVCB Fatty acids, C18-unsatd., dimers, compds. with coco alkylamines is expected to > 100 years.
Key value for chemical safety assessment
- Half-life for hydrolysis:
- 100 yr
- at the temperature of:
- 25 °C
Additional information
Fatty acid C18- unsat, dimer compd. with coco alkylamine
The substanceFatty acid C18- unsat, dimer compd. with coco alkylamineis the salt of the componentsFatty acid C18- unsat, dimer(CAS: 61788-89-4)and coco alkylamine (CAS:61788-46-3). Once the substance is entering the aquatic environment it is expected that the substance with a great surplus of water molecules dissociates into its two main componentsFatty acid C18- unsat, dimerand coco alkylamine. Based on this assumption it is justified to evaluate both components with regard to their behavior in the environment individually.
Coco alkylamine:
In Annex VIII column 2 of the Regulation (EC) No 1907/2006 REACH concerning the Registration, Evaluation, Authorisation and Restriction of Chemicals (REACH), it is suggested, that a study on the "Hydrolysis as function of pH" does not need to be conducted if the " substance is is readily biodegradable". Cocoalkyl amine is readily biodegradable, therefore no testing for hydrolysis is required.
Fatty acid C18-unsat., dimer:
In accordance with REACH Annex VIII column 2, the study does not need to be conducted if the substance is highly insoluble in water. Fatty acid C18-unsat, dimer, is highly insoluble in water, therefore further testing for hydrolyse is not feasible.
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