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]

Myristamine oxide
Names
Preferred IUPAC name
N,N-Dimethyltetradecan-1-amine N-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)
ChemSpider
ECHA InfoCard 100.020.055
EC Number
  • 222-059-3
MeSH C518255
UNII
  • InChI=1S/C16H35NO/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17(2,3)18/h4-16H2,1-3H3 ☒N
    Key: ONHFWHCMZAJCFB-UHFFFAOYSA-N ☒N
  • InChI=1/C16H35NO/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17(2,3)18/h4-16H2,1-3H3
    Key: ONHFWHCMZAJCFB-UHFFFAOYAJ
  • [O-][N+](C)(C)CCCCCCCCCCCCCC
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
GHS labelling:
GHS05: Corrosive[2]
Danger[2]
H315, H318[2]
P280, P305+P351+P338[2]
Safety data sheet (SDS) [2]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

See also

References
  1. 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.
  2. Sigma-Aldrich Co., N,N-Dimethyltetradecylamine N-oxide. Retrieved on 2017-01-04.


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