Cetrimonium bromide, white powder

Supplier: MP BIOMEDICALS (FKA ICN BIOMED
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Synonyms: N-Cetyl-N,N,N-trimethylammonium bromideCetyltrimethylammonium bromideHexadecyltrimethylammonium bromide(1-Hexadecyl)trimethylammonium bromideN,N,N-Trimethylhexadecan-1-aminium bromideCTAB

0219502905 0219502991 0219502980 0219502990
IC0219502905EA 60.83 USD
IC0219502905 IC19502990 IC19502991 IC19502980
Cetrimonium bromide, white powder
Cetrimonium bromide

A phase transfer catalyst ideal for the precipitation of DNA


Cetyltrimethylammonium bromide ia used as an cationic surfactant suitable for the isolation of high molecular weight DNA in plants and other organisms(by a rapid method) as well as plant DNA for use in PCR analysis. It has been used to precipitate nucleic acids. CTAB provides enhancement of Concanavalin A mediated agglutination. It has been used for the determination of protein molecular weights in electrophoretic systems and for determination of critical micelle concentration of detergents. CTAB has also been used as a titrant for potentiometric titration of perchlorate and as a phase-transfer catalyst in reduction of arenes and heterocyclic compounds.


Freely but slowly soluble in water; Freely soluble in methanol and ethanol; soluble in alcohol.


Caution: Research Use Only (RUO).

Formula: CH₃(CH₂)₁₅N(Br)(CH₃)₃
MW: 364.45 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00011772
CAS Number: 57-09-0
UN: 3077
ADR: 9,III
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Specification Test Results

Identity Test Passes Passes
FTIR Conforms to Standard
Storage Store at Room Temperature (15-30 °C).
Aggregation Number 170
CMC 1 mM (20-25 °C)
pH 6.0-7.5 (0.1 M H2O, 0 °C)(Lit.)

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