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Dodecyltrimethylammonium bromide

suitable for ion pair chromatography, LiChropur, ≥98.5% (AT)

Synonym(s):
Lauryltrimethylammonium bromide
Linear Formula:
CH3(CH2)11N(CH3)3Br
CAS Number:
Molecular Weight:
308.34
Beilstein:
3597463
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NB.21

description

cationic

Quality Level

Assay

≥98.5% (AT)

form

liquid

quality

LiChropur

mol wt

308.34 g/mol

technique(s)

ion pair chromatography: suitable

mp

246 °C (dec.) (lit.)

λ

10 % in H2O

UV absorption

λ: 240 nm Amax: ≤0.2
λ: 250 nm Amax: ≤0.03
λ: 260 nm Amax: ≤0.02
λ: 500 nm Amax: ≤0.02

suitability

corresponds to standard for filter test

SMILES string

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

InChI

1S/C15H34N.BrH/c1-5-6-7-8-9-10-11-12-13-14-15-16(2,3)4;/h5-15H2,1-4H3;1H/q+1;/p-1

InChI key

XJWSAJYUBXQQDR-UHFFFAOYSA-M

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This Item
D5047D863852367
assay

≥98.5% (AT)

assay

~99%

assay

≥98%

assay

≥99.0% (AT)

form

liquid

form

crystals

form

powder

form

powder or crystals

mol wt

308.34 g/mol

mol wt

308.34 g/mol

mol wt

308.34 g/mol

mol wt

average mol wt 62,000

technique(s)

ion pair chromatography: suitable

technique(s)

-

technique(s)

-

technique(s)

ion pair chromatography: suitable

mp

246 °C (dec.) (lit.)

mp

246 °C (dec.) (lit.)

mp

246 °C (dec.) (lit.)

mp

248-251 °C (lit.)

General description

Dodecyltrimethylammonium bromide (DTAB) is a surfactant.

Application

It may be used as a surfactant to study the effectd of urea when added to DTAB and SDS micellar solutions, using Electron spin resonance spectroscopy (ESR) of nitrioxide spin probes.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Pictograms

Skull and crossbonesEnvironment

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2

Storage Class Code

6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

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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Customers Also Viewed

ESR study of sodium dodecyl sulfate and dodecyltrimethylammonium bromide micellar solutions: effect of urea.
Baglioni, Piero, et al.
The Journal of Physical Chemistry, 94.21, 8218-8222 (1990)
Ramkrishna Adhikary et al.
The journal of physical chemistry. B, 114(8), 2997-3004 (2010-02-09)
Femtosecond fluorescence upconversion experiments were performed on the naturally occurring medicinal pigment, curcumin, in anionic, cationic, and neutral micelles. In our studies, the micelles are composed of sodium dodecyl sulfate (SDS), dodecyl trimethyl ammonium bromide (DTAB), and triton X-100 (TX-100).
Ketsarin Seebunrueng et al.
Analytical and bioanalytical chemistry, 404(5), 1539-1548 (2012-07-05)
The chain-length compatibility of mixed anionic-cationic surfactants was investigated for the extraction of organophosphorus pesticides (OPPs). Cationic surfactants with different chain lengths (n = 12 and 16) were mixed with sodium dodecyl sulfate (SDS; n = 12) for the mixed
Ye Liu et al.
Lab on a chip, 12(19), 3746-3753 (2012-07-31)
Although biochemical sensing using liquid crystals (LC) has been demonstrated, relatively little attention has been paid towards the fabrication of in situ-formed LC sensing devices. Herein, we demonstrate a highly reproducible method to create uniform LC thin film on treated
Jonas Carlstedt et al.
Physical chemistry chemical physics : PCCP, 14(27), 9574-9577 (2012-06-14)
Polyelectrolytes with amphiphilic counterions, PEACs, are water insoluble because the amphiphiles self-assemble into highly charged micelles that strongly associate with the equally highly charged polyions. However, in the presence of water soluble cyclodextrins (CDs) that form inclusion complexes with the

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