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44165

Sigma-Aldrich

Dodecylethyldimethylammonium bromide

≥98.0% (AT)

Synonym(s):

Dimethyldodecylethylammonium bromide, Dodecyldimethylethylammonium bromide

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About This Item

Linear Formula:
[CH3(CH2)11N+(CH3)2C2H5]Br-
CAS Number:
Molecular Weight:
322.37
Beilstein:
6007021
EC Number:
MDL number:
UNSPSC Code:
12352116
PubChem Substance ID:
NACRES:
NA.22

description

cationic

Quality Level

Assay

≥98.0% (AT)

form

powder

mol wt

322.37 g/mol

technique(s)

ion chromatography: suitable
titration: suitable

mp

185-188 °C (lit.)
185-190 °C

solubility

H2O: 50 mg/mL, clear, colorless

SMILES string

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

InChI

1S/C16H36N.BrH/c1-5-7-8-9-10-11-12-13-14-15-16-17(3,4)6-2;/h5-16H2,1-4H3;1H/q+1;/p-1

InChI key

FFGSPQDSOUPWGY-UHFFFAOYSA-M

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Application

Dodecylethyldimethylammonium bromide (C12EDMAB) can be used:
  • As a growth-directing surfactant in the synthesis of monodisperse gold nanorods.
  • As a surfactant in the synthesis of poly(methyl methacrylate)-poly(N-isopropylacrylamide) core-shell particles via emulsion polymerization.
  • As an additive in the synthesis of mesoporous nanocrystalline TiO2 microspheres to increasing the degree of crystallization and modification in the texture of TiO2.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Synthesis of large-pore mesoporous nanocrystalline TiO2 microspheres
Ermokhina NI, et al.
Materials Letters, 75(4), 68-70 (2012)
Synthesis of cationic poly (methyl methacrylate)-poly (N-isopropyl acrylamide) core-shell latexes via two-stage emulsion copolymerization
Santos AM, et al.
Polymer, 46(4), 1181-1188 (2005)
Joshua M Allen et al.
Journal of colloid and interface science, 505, 1172-1176 (2017-07-19)
Gold nanoparticles having a rod-like morphology are regularly investigated as potential nano-therapeutic materials owing to their interesting optical properties, facile surface modification, tunable aspect ratios, and low cytotoxicity. Gold nanorods are historically prepared starting from HAuCl4 in the presence of
Tretya Ardyani et al.
Carbohydrate polymers, 228, 115376-115376 (2019-10-23)
The effect of incorporating common dodecyl anionic and cationic surfactants such as dodecyltrimethylammonium bromide (DTAB), dodecylethyldimethylammonium bromide (DDAB), and sodium dodecylsulfate (SDS) in nanocomposites of reduced graphene oxide and nanocellulose are described. The stabilization and electrical properties of the nanocomoposites

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