Myristamine oxide
Myristamine oxide is an amine oxide based zwitterionic surfactant with a C14 (tetradecyl) alkyl tail. It is used as a foam stabilizer and hair conditioning agent in some shampoos and conditioners. Like other amine oxide based surfactants it is antimicrobial, being slightly more effective than lauryldimethylamine oxide against the common bacteria S. aureus and E. coli.[1]
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| Names | |
|---|---|
| IUPAC name
N,N-Dimethyltetradecan-1-amine oxide | |
| Other names
Tetradecyldimethylaminoxide , N,N-Dimethyl-1-tetradecanamine-N-oxide;
Myristyl dimethyl amine oxide; Myristyldimethylamine oxide; N,N-Dimethyltetradecylamine N-oxide; Dimethyl-oxido-tetradecyl-azanium | |
| Identifiers | |
3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.020.055  |
| EC Number |
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| MeSH | C518255 |
PubChem CID |
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| UNII | |
CompTox Dashboard (EPA) |
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| Properties | |
| C16H35NO | |
| Molar mass | 257.462 g·mol−1 |
| Appearance | White solid |
| Melting point | 130 °C (266 °F; 403 K) |
| 10 g/l at 20 °C | |
| Surface tension: | |
| 268 μM[1] | |
| Hazards | |
| Safety data sheet | [2] |
| GHS pictograms |  [2] |
| GHS Signal word | Danger[2] |
| H315, H318[2] | |
| P280, P305+351+338[2] | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
 verify (what is  ?) | |
| Infobox references | |
See also
- Lauryldimethylamine oxide – An analogous compound with a C12 tail
References
- Birnie, C. R.; Malamud, D.; Schnaare, R. L. (1 September 2000). "Antimicrobial Evaluation of N-Alkyl Betaines and N-Alkyl-N,N-Dimethylamine Oxides with Variations in Chain Length". Antimicrobial Agents and Chemotherapy. 44 (9): 2514–2517. doi:10.1128/AAC.44.9.2514-2517.2000. PMC 90094. PMID 10952604.
- Sigma-Aldrich Co., N,N-Dimethyltetradecylamine N-oxide. Retrieved on 2017-01-04.
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