Molecule
Name
Cetrimonium bromide
IUPAC name
Hexadecyl(trimethyl)ammonium bromide
Secondary names
1-Hexadecanaminium,N,N,N-trimethyl-, bromide (1:1), Hexadecyl(trimethyl)azanium;bromide, Hexadecyltrimethylammonium bromide, Cetyltrimethylammonium bromide, (Dodecyl hexadecyl tetradecyl)trimethylammoniumbromid, CTAB
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
LZZYPRNAOMGNLH-UHFFFAOYSA-M
CAS number
57-09-0
Formula
$CH_3(CH_2)_{15}N^+(CH_3)_3 \cdot Br^-$
Chemical formula
CH3(CH2)15(N+)(CH3)3.Br-
Structural formula
CCCCCCCCCCCCCCCC[N+](C)(C)C.[Br-]
Charge
0
  Atom Name Number
$C$ Carbon 19
$H$ Hydrogen 42
$Br$ Bromine 1
$N$ Nitrogen 1
Relations
  • enantiomer
Isotope mixture type
terrestrial abundance
Spin type
equilibrated
Molar mass
364.45 $g/mol$
State STP
solid
State NTP
solid
Protic
aprotic
Polarity
amphiphilic
Molecule symmetry
C1
Case
nonlinear-polyatomic
Chemical functions
  Function Number
$R-CH_3$ 4
$R-CH_2-R$ 15
$R_4 >\mid N^+$ 1
Chemical bonds
  Bond Number
$\geq C-H$ 42
$\geq C-C \leq$ 15
$\geq C-N^+\leq$ 4