Merck
All Photos(5)

H6269

Sigma-Aldrich

Hexadecyltrimethylammonium bromide

for molecular biology, ≥99%

Synonym(s):
CTAB, Cetrimonium bromide, Cetyltrimethylammonium bromide, Palmityltrimethylammonium bromide
Linear Formula:
CH3(CH2)15N(Br)(CH3)3
CAS Number:
Molecular Weight:
364.45
Beilstein:
3598189
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.31

Quality Level

grade

for molecular biology

description

cationic

assay

≥99%

form

powder or crystals

mol wt

micellar avg mol wt 62,000

aggregation number

170

pH

5.0-7 (25 °C, 36.4 g/L)

CMC

0.92
1 mM (20-25°C)

mp

248-251 °C (lit.)

solubility

H2O: 1/10 g/mL

HLB

10

suitability

suitable for DNA precipitation

SMILES string

[Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C

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

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Application

Hexadecyltrimethylammonium bromide has been used:
  • as a component of DNA extraction buffer and RNA extraction buffer
  • as a constituent of dye dissolution buffer
  • as a surfactant in gold nanorod preparation.

Packaging

100, 250, 500 g in poly bottle
1 kg in poly bottle

Biochem/physiol Actions

Hexadecyltrimethylammonium bromide also called cetyltrimethylammonium bromide (CTAB), is a cationic surfactant. CTAB method is an efficient, cost and time effective method of DNA extraction. CTAB is used as a shaping material and reducing agent for nanoparticle generation.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 Oral - STOT SE 3

Target Organs

Gastrointestinal tract, Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

471.2 °F - closed cup

Flash Point(C)

244 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Xanthoferrin Siderophore Estimation from the Cell-free Culture Supernatants of Different Xanthomonas Strains by HPLC
Pandey SS, et al.
Archives of Virology, 7, e2410-e2410 (2017)
Two unrelated double-stranded RNA molecule patterns in Gremmeniella abietina type A code for putative viruses of the families Totiviridae and Partitiviridae
Tuomivirta TT and Hantula J
Archives of Virology, 148(12), 2293-2305 (2003)
Weijun Xu et al.
Materials science & engineering. C, Materials for biological applications, 103, 109854-109854 (2019-07-28)
Combination of different therapy modalities with multiple tumoricidal mechanisms has emerged as a promising anticancer strategy. Herein, we reported an aldehyde/catechol-functionalized hyaluronic acid (DAHA) and hydroxyethyl chitosan (HECS) decorated gold nanorod (GNR) platform for combined chemo-photothermal therapy of breast cancer.
Rolling circle amplification to screen yam germplasm for badnavirus infections and to amplify and characterise novel badnavirus genomes
Bomer M, et al.
Bio-protocol, 8(1), 11-17 (2018)
Optimization of a high-throughput CTAB-based protocol for the extraction of qPCR-grade DNA from rumen fluid, plant and bacterial pure cultures
Minas K, et al.
FEMS Microbiology Letters, 325(2), 162-169 (2011)

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