Registration Dossier
Registration Dossier
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EC number: 946-260-7 | CAS number: -
Water solubility
Administrative data
Link to relevant study record(s)
Description of key information
The critical micelle concentration of the test substance at 25°C is 0.73 +/- 0.17 g/L.
Key value for chemical safety assessment
- Water solubility:
- 0.73 g/L
- at the temperature of:
- 25 °C
Additional information
Ammonium salts of primary fatty amines (e.g. acetates) are so called cationic surfactants and due to their positive charge they behave differently than the corresponding free amine with respect to water and octanol solubilty as well as partitioning e.g. to solid surfaces.
When determining the water solubility of the alkylamine acetates, their surface active property has to be taken in account: single hydrated molecules are found up to their respective critical micelle concentration (CMC), only. At higher concentrations, molecules will be aggregating to form micells. Therefore, as a substitute of the water solubility, the CMC is used for surface active compounds.
The critical micelle concentration of the test substance was determined according to ISO 4311. At 25 °C, the critical micelle concentration is 0.73 +/- 0.17 g/L.
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.
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