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Merck

44239

Supelco

Dodecyltrimethylammoniumbromid

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

Synonym(e):

Lauryltrimethylammoniumbromid

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About This Item

Lineare Formel:
CH3(CH2)11N(CH3)3Br
CAS-Nummer:
Molekulargewicht:
308.34
Beilstein:
3597463
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
41116105
PubChem Substanz-ID:
NACRES:
NB.21

Beschreibung

cationic

Qualitätsniveau

Assay

≥98.5% (AT)

Form

liquid

Qualität

LiChropur

Mol-Gew.

308.34 g/mol

Methode(n)

ion pair chromatography: suitable

mp (Schmelzpunkt)

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

Eignung

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

InChIKey

XJWSAJYUBXQQDR-UHFFFAOYSA-M

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Allgemeine Beschreibung

Dodecyltrimethylammonium bromide (DTAB) is a surfactant.

Anwendung

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.

Rechtliche Hinweise

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Piktogramme

Skull and crossbonesEnvironment

Signalwort

Danger

Gefahreneinstufungen

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

Lagerklassenschlüssel

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

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

dust mask type N95 (US), Eyeshields, Gloves


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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)
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
Marcos A Villetti et al.
The journal of physical chemistry. B, 115(19), 5868-5876 (2011-04-27)
Interactions between uncharged polymers and cationic surfactants are considered weaker than interactions with the anionic analogues. This work describes the binding occurring between methylcellulose (MC) and the cationic surfactant DTAB in aqueous medium. In the absence of salt, MC-DTAB exhibits
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
Deping Huang et al.
ACS applied materials & interfaces, 4(9), 4665-4671 (2012-08-11)
Hierarchical, three-fold symmetrical dendritic gold was prepared in an aqueous solution of the quaternary ammonium cationic surfactant dodecyltrimethylammonium bromide (DTAB). Similar surfactants with different head groups and hydrocarbon chain lengths were also used for comparison. Two-fold and one-fold symmetrical dendritic

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