359246

Sigma-Aldrich

Trimethyloctadecylammonium bromide

98%

Synonym(s):
TMODAB, Octadecyltrimethylammonium bromide, C18TAB
Linear Formula:
CH3(CH2)17N(Br)(CH3)3
CAS Number:
Molecular Weight:
392.50
Beilstein/REAXYS Number:
3574090
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

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Related Categories

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.

Packaging

10, 50 g in glass bottle

Signal Word

Danger

hazcat

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

storage_class_code

13 - Non Combustible Solids

WGK Germany

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

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)
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)
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)
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...
Gero Steinberg et al.
Nature communications, 11(1), 1608-1608 (2020-04-02)
The emerging resistance of crop pathogens to fungicides poses a challenge to food security and compels discovery of new antifungal compounds. Here, we show that mono-alkyl lipophilic cations (MALCs) inhibit oxidative phosphorylation by affecting NADH oxidation in the plant pathogens...

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