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Sigma-Aldrich

Myristyltrimethylammonium bromide

98% (AT)

Synonym(s):

Tetradecyltrimethylammonium bromide, Trimethyl(tetradecyl)ammonium bromide

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About This Item

Linear Formula:
CH3(CH2)13N(Br)(CH3)3
CAS Number:
1119-97-7
Molecular Weight:
336.39
Beilstein:
3633227
EC Number:
214-291-9
MDL number:
MFCD00011770
UNSPSC Code:
12352116
PubChem Substance ID:
329769513
NACRES:
NA.22

description

cationic

Quality Level

200

Assay

≥97.5% (AT)
98% (AT)

form

crystals

mol wt

micellar avg mol wt 27,000

aggregation number

80

CMC

4-5 mM (20-25°C)

mp

245-250 °C (lit.)

solubility

H2O: 0.1 g/mL, clear

SMILES string

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

InChI

1S/C17H38N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18(2,3)4;/h5-17H2,1-4H3;1H/q+1;/p-1

InChI key

CXRFDZFCGOPDTD-UHFFFAOYSA-M

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General description

Myristyltrimethylammonium bromide (MTAB) is a quaternary ammonium compound that consists of a long-chain alkyl group and a positively charged quaternary ammonium group. It is commonly used as a cationic surfactant and as a phase transfer catalyst in various chemical reactions.

Application

Myristyltrimethylammonium bromide can be used as a cationic surfactant to:
  • Enhance the biomass harvesting and pigments extraction from the cyanobacterium Synechocystis sp. PCC 6803.
  • Facilitate the formation of mixed micelles with amitriptyline hydrochloride.
It can also be used as a capping agent for platinum nanoparticles (Pt NPs), which enhances their catalytic activity in the CO oxidation reaction.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Irrit. 2 - STOT RE 2 Oral - STOT SE 3

Target Organs

Gastrointestinal tract, Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG3519
BCCC2038
BCBX5553
BCBS1883V
BCBP9452V

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Hexadecyltrimethylammonium bromide ≥98%

Sigma-Aldrich

H5882

Hexadecyltrimethylammonium bromide

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Electrophoresis, 32(5), 604-613 (2011-02-04)
For tetradecyltrimethylammonium bromide in boric acid/borate or acetic acid/acetate buffer and NaCl or CaCl₂ as the added salt, it is investigated whether the retention behaviour of weak acids in MEKC with cationic surfactant can be modelled by assuming for the
Yuri Park et al.
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Organoclays were synthesised through ion exchange of a single surfactant for sodium ions, and characterised by a range of method including X-ray diffraction (XRD), BET, X-ray photoelectron spectroscopy (XPS), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR), and transmission electron
Sanket Joshi et al.
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The endocytic protein dynamin II (dynII) participates in cell cycle progression and has roles in centrosome cohesion and cytokinesis. We have described a series of small-molecule inhibitors of dynamin [myristyl trimethyl ammonium bromides (MiTMAB)] that competitively interfere with the ability
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Electrophoresis, 32(8), 832-837 (2011-03-26)
The combination of microchip electrophoresis with amperometric detection leads to a number of analytical challenges that are associated with isolating the detector from the high voltages used for the separation. While methods such as end-channel alignment and the use of
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