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Merck

359025

Didodecyldimethylammonium bromide

98%

Synonym(s):

DDAB, Dimethyldidodecylammonium bromide

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About This Item

Linear Formula:
[CH3(CH2)11]2N(CH3)2(Br)
CAS Number:
3282-73-3
Molecular Weight:
462.63
UNSPSC Code:
12352116
NACRES:
NA.22
PubChem Substance ID:
24862048
EC Number:
221-923-7
Beilstein/REAXYS Number:
3576662
MDL number:
MFCD00041969

Key Documents

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InChI key

XRWMGCFJVKDVMD-UHFFFAOYSA-M

InChI

1S/C26H56N.BrH/c1-5-7-9-11-13-15-17-19-21-23-25-27(3,4)26-24-22-20-18-16-14-12-10-8-6-2;/h5-26H2,1-4H3;1H/q+1;/p-1

SMILES string

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

assay

98%

Quality Level

200

form

powder

mp

157-162 °C (lit.)

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Application

Didodecyldimethylammonium bromide (DDAB) is a double-chain cationic surfactant.

Possible applications:
  • DDAB can be employed as a co-surfactant to synthesize well-defined multilamellar vesicular silica with an adjustable number of layers.
  • As a surfactant to synthesize gold nanoclusters and nanocubes.
  • It forms supersaturated reverse micelles and microemulsions that act as organized reaction microenvironments for the synthesis of barium sulfate.
  • Calcium montmorillonite can be modified by DDAB through direct ion-exchange to synthesize thermally stable organoclay.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
0000520480
0000520480
0000510148
0000510147
0000510147

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A cationic-cationic co-surfactant templating route for synthesizing well-defined multilamellar vesicular silica with an adjustable number of layers.
Zhang Y.
Chemical Communications (Cambridge, England), 50(22), 2907-2909 (2014)
Effects of block length and structure of surfactant on self-assembly and solution behavior of block ionomer complexes.
Bronich TK.
Langmuir, 16(2), 481-489 (2000)
R A Carvalho et al.
Journal of colloid and interface science, 354(2), 725-732 (2010-12-15)
NMR spectroscopy has been used to study and characterize the interactions in solution between β-CD and alkyl-α,ω-bis(dodecyldimethyl ammonium bromide) gemini surfactants with the following head-group spacer lengths: 2, 4, 6, 8, and 10. The application of the method of continuous
Thermally-induced formation of atomic Au clusters and conversion into nanocubes.
Jin R.
Journal of the American Chemical Society, 126(32), 9900-9901 (2004)
Sana Ghrab et al.
Environmental science and pollution research international, 25(19), 18251-18262 (2017-05-14)
Essential oils from aromatic plants are currently mentioned as suitable tools for excellent protection of stored grains from insect pest attacks. The present work aimed to study the processes of the synthesis insecticidal formulation with clay. The active terpenic compounds
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