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CAS 13316-70-6

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Cetyltriethylammonium bromide

Description:
Cetyltriethylammonium bromide (CTAB) is a quaternary ammonium compound commonly used as a surfactant and emulsifying agent. It is characterized by its long hydrophobic cetyl chain, which consists of 16 carbon atoms, and three ethyl groups attached to the nitrogen atom, contributing to its amphiphilic nature. This structure allows CTAB to effectively reduce surface tension and stabilize emulsions, making it valuable in various applications, including cosmetics, pharmaceuticals, and industrial processes. CTAB is typically a white or off-white solid at room temperature and is soluble in water, forming micelles that can encapsulate hydrophobic substances. It exhibits antimicrobial properties, which can be beneficial in formulations aimed at preserving products or enhancing skin health. However, it is important to handle CTAB with care, as it can be irritating to the skin and eyes. Additionally, its environmental impact should be considered, as quaternary ammonium compounds can be toxic to aquatic life. Overall, CTAB is a versatile compound with significant utility in both laboratory and commercial settings.
Formula:C22H48N·Br
InChI:InChI=1S/C22H48N.BrH/c1-5-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23(6-2,7-3)8-4;/h5-22H2,1-4H3;1H/q+1;/p-1
InChI key:InChIKey=HNJXPTMEWIVQQM-UHFFFAOYSA-M
SMILES:[N+](CCCCCCCCCCCCCCCC)(CC)(CC)CC.[Br-]
Synonyms:
  • 1-Hexadecanaminium, N,N,N-triethyl-, bromide
  • 1-Hexadecanaminium, N,N,N-triethyl-, bromide (1:1)
  • 1-Hexadecanaminium, N,N,N-triethyl-, bromide (9CI)
  • Ammonium, cetyldiethylethyl-, bromide
  • Ammonium, triethylhexadecyl-, bromide
  • Ammonium, triethylhexadecyl-, bromide (8CI)
  • CDEA Br
  • CTEABr
  • Cetyltriethylammonium bromide
  • Hexadecyltriethylammonium bromide
  • See more synonyms
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