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
CH3(CH2)15N+(CH3)3Br
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
RCH3 4
RCH2R 15
R4>∣N+ 1
Chemical bonds
  Bond Number
CH 42
CC 15
CN+ 4