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:
Molecular Weight:
462.63
UNSPSC Code:
12352116
NACRES:
NA.22
PubChem Substance ID:
EC Number:
221-923-7
Beilstein/REAXYS Number:
3576662
MDL number:
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
form
powder
mp
157-162 °C (lit.)
Related Categories
Application
Didodecyldimethylammonium bromide (DDAB) is a double-chain cationic surfactant.
Possible applications:
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.
signalword
Warning
hcodes
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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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)
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)
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
Double-chained surfactants for semipermanent wall coatings in capillary electrophoresis.
Melanson JE.
Analytical Chemistry, 72(17), 4110-4114 (2000)
XRD, TEM, and thermal analysis of Arizona Ca-montmorillonites modified with didodecyldimethylammonium bromide.
Sun Z.
Journal of Colloid and Interface Science, 408, 75-81 (2013)
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