Skip to Content
MilliporeSigma
All Photos(1)

Documents

359246

Sigma-Aldrich

Trimethyloctadecylammonium bromide

98%

Synonym(s):

C18TAB, TMODAB, Octadecyltrimethylammonium bromide

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
CH3(CH2)17N(Br)(CH3)3
CAS Number:
1120-02-1
Molecular Weight:
392.50
Beilstein/REAXYS Number:
3574090
EC Number:
214-294-5
MDL number:
MFCD00043171
UNSPSC Code:
12352116
PubChem Substance ID:
24862061
NACRES:
NA.22

Quality Level

200

assay

98%

mp

~250 °C (dec.) (lit.)

SMILES string

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

InChI

1S/C21H46N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22(2,3)4;/h5-21H2,1-4H3;1H/q+1;/p-1

InChI key

SZEMGTQCPRNXEG-UHFFFAOYSA-M

Looking for similar products? Visit Product Comparison Guide

application

Trimethyloctadecylammonium bromide (C18TAB) is generally used as a surfactant. It can be used in the preparation of polyoxomolybdate-surfactant hybrid layered crystals. It can also be used as a surface modifier in the liquid chromatography.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - Skin Sens. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Nanocomposites composed of HEUR polymer and magnetite iron oxide nanoparticles: Structure and magnetic response of the hydrogel and dried state.
Campanella A, et al.
Polymer, 60, 176-185 (2015)
Determination of UV-absorbing anions in environmental samples by microcolumn high-performance liquid chromatography.
Vereshchagin A L, et al.
Journal of Analytical Chemistry, 55(10), 1000-1002 (2000)
Layered and molecular-structural control in polyoxomolybdate hybrid crystals by surfactant chain length.
Ito T, et al.
Journal of Molecular Structure, 1106, 220-226 (2016)
Juan C López-Montilla et al.
Water research, 39(9), 1907-1913 (2005-05-19)
The removal of model pollutants bromocresol green (BG) and phenol from water is demonstrated via two liquid-liquid extraction methods. Both methods exploit selective interactions established by the pollutant molecule with a surfactant, oil, or alcohol, and are variants of the
Yutaka Sumino et al.
The journal of physical chemistry. B, 113(48), 15709-15714 (2009-11-12)
Spontaneous deformation of a tetradecane droplet with palmitic acid on an aqueous phase with stearyltrimethylammonium chloride is reported. Palmitic acid is transported from the oil droplet to the aqueous phase by the concentration difference between the organic and the aqueous
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service