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44239

Supelco

Dodecyltrimethylammonium bromide

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

Sinonimo/i:

Lauryltrimethylammonium bromide

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About This Item

Formula condensata:
CH3(CH2)11N(CH3)3Br
Numero CAS:
Peso molecolare:
308.34
Beilstein:
3597463
Numero CE:
Numero MDL:
Codice UNSPSC:
41116105
ID PubChem:
NACRES:
NB.21

Descrizione

cationic

Livello qualitativo

Saggio

≥98.5% (AT)

Stato

liquid

Qualità

LiChropur

PM

308.34 g/mol

tecniche

ion pair chromatography: suitable

Punto di fusione

246 °C (dec.) (lit.)

λ

10 % in H2O

Assorbanza UV

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

Compatibilità

corresponds to standard for filter test

Stringa SMILE

[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
XJWSAJYUBXQQDR-UHFFFAOYSA-M

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Descrizione generale

Dodecyltrimethylammonium bromide (DTAB) is a surfactant.

Applicazioni

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.

Note legali

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Pittogrammi

Skull and crossbonesEnvironment

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

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

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

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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