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Hexadecyltrimethylammonium bromide

SIGMA/52365 - BioUltra, Molecular Biology, ≥99.0% (AT)

Synonym: CTAB; Cetrimonium bromide; Cetyltrimethylammonium bromide; Palmityltrimethylammonium bromide

CAS Number: 57-09-0
Empirical Formula (Hill Notation): C19H42BrN
Molecular Weight: 364.45
EC Number: 200-311-3
MDL Number: MFCD00011772
Linear Formula: CH3(CH2)15N(Br)(CH3)3
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-52365-50G 50 g
 $130.00
1/EA		 Add To Favorites
45-52365-250G 250 g
 $476.00
1/EA		 Add To Favorites

 

λ 0.1 M in H2O
aggregation number 170
anion traces sulfate (SO42-): ≤50 mg/kg
assay ≥99.0% (AT)
cation traces Al: ≤5 mg/kg
  Ba: ≤5 mg/kg
  Bi: ≤5 mg/kg
  Ca: ≤10 mg/kg
  Cd: ≤5 mg/kg
  Co: ≤5 mg/kg
  Cr: ≤5 mg/kg
  Cu: ≤5 mg/kg
  Fe: ≤5 mg/kg
  K: ≤50 mg/kg
  Li: ≤5 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Mo: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Sr: ≤5 mg/kg
  Zn: ≤5 mg/kg
CMC 0.92
  1 mM (20-25°C)
description cationic
form powder or crystals
grade Molecular Biology
HLB 10
ign. residue ≤0.2%
impurities DNases, none detected
  insoluble matter, passes filter test
  phosphatases, none detected
  proteases, none detected
  RNases, none detected
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
loss ≤0.5% loss on drying
mol wt micellar avg mol wt 62,000
mp 248-251 °C (lit.)
pH 5.0-7.0 (25 °C, 0.1 M in H2O)
product line BioUltra
Quality Level 200 
SMILES string [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C
solubility H2O: 0.1 M at 40 °C, clear, colorless
UV absorption λ: 260 nm Amax: 0.06
  λ: 280 nm Amax: 0.05
Application: Hexadecyltrimethylammonium bromide has been used for the isolation of plant high molecular weight DNA as well as plant DNA for use in PCR analysis. It has also been used to preciptate nucleic acids.
Purity ≥99.0% (AT)
mp 248-251 °C (lit.)
UNSPSC 12161900

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