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75094

Sigma-Aldrich

Trimethyloctylammonium chloride

≥97.0% (AT)

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Synonym(s):
Octyltrimethylammonium chloride
Linear Formula:
CH3(CH2)7N(CH3)3(Cl)
CAS Number:
Molecular Weight:
207.78
Beilstein:
4005082
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥97.0% (AT)

form

crystals

SMILES string

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

InChI

1S/C11H26N.ClH/c1-5-6-7-8-9-10-11-12(2,3)4;/h5-11H2,1-4H3;1H/q+1;/p-1

InChI key

AQZSPJRLCJSOED-UHFFFAOYSA-M

Related Categories

Application

Trimethyloctylammonium chloride (TOMAC) is a cationic surfactant that can be used:
  • To separate SiC from ground SiO2 by flotation method.
  • To prepare porous organosilicates using 1,2-bis(trimethoxysilyl)ethane as a silica precursor.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Synthesis of porous organosilicates in the presence of alkytrimethylammonium chlorides: Effect of the alkyl chain length
Hamoudi S, et al.
The Journal of Physical Chemistry B, 105(38), 9118-9123 (2001)
Flotation separation of SiC from wastes in the silicon wafer slicing process
Shibata, J, et al.
Kagaku Kogaku Ronbunshu, 32(1), 93-98 (2006)
Stergios Pispas
The journal of physical chemistry. B, 110(6), 2649-2655 (2006-02-14)
Water-soluble complexes between sodium poly(isoprene-b-methacrylate) (NaIMA) amphiphilic block copolymer micelles and two cationic surfactants with different hydrophobic tail lengths, namely, dodecyltrimethylammonium bromide (DTMAB) and octyltrimethylammonium bromide (OTMAB), were prepared by mixing individual aqueous solutions of block copolymers and surfactants. The
Sudhir Husale et al.
Nucleic acids research, 36(5), 1443-1449 (2008-01-22)
The interaction of cationic surfactants with single dsDNA molecules has been studied using force-measuring optical tweezers. For hydrophobic chains of length 12 and greater, pulling experiments show characteristic features (e.g. hysteresis between the pulling and relaxation curves, force-plateau along the
J G Foulks et al.
Canadian journal of physiology and pharmacology, 62(4), 350-355 (1984-04-01)
The local anaesthetic effect of cationic, anionic, and neutral alkyl amphipathic agents was similarly enhanced in an apparently nonspecific way by circumstances which modulate electrostatic interactions (acidity, modification of charged groups at the sarcolemmal surface by group-specific reagents, or changes

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