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H6269 Sigma-Aldrich

Hexadecyltrimethylammonium bromide

for molecular biology, ≥99%

Synonym: CTAB, Cetrimonium bromide, Cetyltrimethylammonium bromide, Palmityltrimethylammonium bromide

  • CAS Number 57-09-0

  • Linear Formula CH3(CH2)15N(Br)(CH3)3

  • Molecular Weight 364.45

  •  Beilstein/REAXYS Number 3598189

  •  EC Number 200-311-3

  •  MDL number MFCD00011772

  •  PubChem Substance ID 24895734

  •  NACRES NA.31

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Properties

Related Categories Biochemicals and Reagents, Cationic Detergents, Cell Culture, Core Bioreagents, DNA & RNA Purification,
Quality Level   200
grade   for molecular biology
description   cationic
InChI Key   LZZYPRNAOMGNLH-UHFFFAOYSA-M
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

Description

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

1 kg in poly bottle

100, 250, 500 g 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.

Safety & Documentation

Safety Information

Signal word 
Danger
Hazard statements 
Target organs 
Gastrointestinal tract
Personal Protective Equipment 
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
RTECS 
BQ7875000
Flash Point(F) 
471.2 °F
Flash Point(C) 
244 °C

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Single- & multi-channel pipettes from BRAND
Protocols & Articles
Peer-Reviewed Papers
15

References

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