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292737

Sigma-Aldrich

Cetyltrimethylammonium chloride solution

25 wt. % in H2O

Synonym(s):

Hexadecyltrimethylammonium chloride solution

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About This Item

Linear Formula:
CH3(CH2)15N(Cl)(CH3)3
CAS Number:
112-02-7
Molecular Weight:
320.00
Beilstein:
3657974
MDL number:
MFCD00011773
UNSPSC Code:
12352116
PubChem Substance ID:
24857608
NACRES:
NA.22

Quality Level

200

concentration

25 wt. % in H2O

refractive index

n20/D 1.3778

density

0.968 g/mL at 25 °C

SMILES string

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

InChI

1S/C19H42N.ClH/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

WOWHHFRSBJGXCM-UHFFFAOYSA-M

Application

Cetyltrimethylammonium chloride (CTAC) is a cationic surfactant that can be used in the synthesis of mesoporous molecular sieves and micelle complexes. It can also be used as a dispersant to prevent aggregation of nanoparticles.

Pictograms

CorrosionEnvironment
GHS05,GHS09

Signal Word

Danger

Hazard Statements

H314,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1C

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Overgrowth of mesoporous MCM-41 on faujasite.
Kloetstra K R, et al.
Microporous Mater., 6(5-6), 287-293 (1996)
A non-enzymatic sensor based on Au@ Ag nanoparticles with good stability for sensitive detection of H2O2
Li Z, et al.
New. J. Chem., 40(3), 2115-2120 (2016)
The surface tension of aqueous solutions of cetyltrimethylammonium cationic surfactants in presence of bromide and chloride counterions.
Para G, et al.
Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 261(1-3), 65-73 (2005)
Growth of cetyltrimethylammonium chloride and acetate micelles with counterion concentration.
Ranganathan R, et al.
Journal of Colloid and Interface Science, 214(2), 238-242 (1999)
Qin Zhou et al.
Chemosphere, 90(9), 2461-2466 (2012-12-12)
The hexadecyltrimethylammonium bromide (HDTMAB) immobilized hollow mesoporous silica spheres were prepared for the efficient removal of perfluorooctane sulfonate (PFOS) from aqueous solution. Besides the traditional sorption behavior including sorption kinetics as well as effect of solution pH and temperature, the
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