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CAS 57-09-0

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Hexadecyltrimethylammonium bromide

Description:
Hexadecyltrimethylammonium bromide, commonly referred to as CTAB (Cetyltrimethylammonium bromide), is a quaternary ammonium compound characterized by its long hydrophobic hydrocarbon chain and a positively charged nitrogen atom. It typically appears as a white to off-white powder or crystalline solid and is soluble in water, forming micelles at higher concentrations. CTAB is known for its surfactant properties, making it effective in reducing surface tension and stabilizing emulsions. It is widely used in various applications, including as a cationic surfactant in personal care products, as a phase transfer catalyst in organic synthesis, and in the preparation of nanoparticles. Additionally, CTAB exhibits antimicrobial properties, which can be beneficial in certain formulations. However, it is important to handle this compound with care, as it can be toxic to aquatic life and may cause skin irritation. Overall, Hexadecyltrimethylammonium bromide is a versatile chemical with significant utility in both industrial and laboratory settings.
Formula:C19H42N·Br
InChI:InChI=1S/C19H42N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4;/h5-19H2,1-4H3;1H/q+1;/p-1
InChI key:InChIKey=LZZYPRNAOMGNLH-UHFFFAOYSA-M
SMILES:C(CCCCCCCCCCCCC)CC[N+](C)(C)C.[Br-]
Synonyms:
  • 1-Hexadecaminium, N,N,N-trimethyl-, bromide
  • 1-Hexadecanaminium, N,N,N-trimethyl-, bromide
  • 1-Hexadecanaminium, N,N,N-trimethyl-, bromide (1:1)
  • 1-Hexadecyltrimethylammonium bromide
  • Accelerator 1631
  • Accelerator DT 3126-1
  • Acetoquat CTAB
  • Ammonium Bromide, N,N-Trimethyl-, Cetyl
  • Ammonium, hexadecyltrimethyl-, bromide
  • Arquad 16/60
  • See more synonyms
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