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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/REAXYS Number:
4005082
MDL number:
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

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vibrant-m

75094

Trimethyloctylammonium chloride

vibrant-m

52366

Hexadecyltrimethylammonium chloride

vibrant-m

64270

Methanesulfonyl chloride

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

200

form

crystals

form

solid

form

-

form

-

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

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

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


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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)
David Zanuy et al.
Biopolymers, 63(3), 151-162 (2002-01-12)
We present a molecular dynamics simulation at 300 K in explicit solvent environment of chloroform of the stoichiometric complex formed by poly(alpha,L-glutamate) and octyltrimethylammonium ions. We observed that the alpha-helix conformation of the polypeptide chain remains stable during a 2-ns
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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