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Dimethyldioctadecylammonium bromide

Product Name
Dimethyldioctadecylammonium bromide
CAS No.
3700-67-2
Chemical Name
Dimethyldioctadecylammonium bromide
Synonyms
DDA;DSAB;DDAB;DODAB;DODA(Br);18:0 DDAB;dioctadecyL;ERBU Adjuvant 100;Dimethyldistearylaminium·bromide;DISTEARYLDIMETHYLAMMONIUM BROMIDE
CBNumber
CB8768654
Molecular Formula
C38H80BrN
Formula Weight
630.95
MOL File
3700-67-2.mol
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Dimethyldioctadecylammonium bromide Property

Melting point:
~160 °C
Density 
1.047
RTECS 
RG0185984
refractive index 
1.5260 (estimate)
storage temp. 
-20°C
solubility 
Chloroform (Slightly), Ethyl Acetate (Slightly, Heated), Hexanes (Slightly, Heated)
form 
Granular Powder
color 
White
BRN 
3580323
Stability:
Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference
3700-67-2(CAS DataBase Reference)
EPA Substance Registry System
1-Octadecanaminium, N,N-dimethyl-N-octadecyl-, bromide (3700-67-2)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38-43
Safety Statements 
26-37/39
WGK Germany 
3
TSCA 
Yes
HazardClass 
9
HS Code 
29211990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H331Toxic if inhaled

H336May cause drowsiness or dizziness

H351Suspected of causing cancer

H372Causes damage to organs through prolonged or repeated exposure

H412Harmful to aquatic life with long lasting effects

Precautionary statements

P201Obtain special instructions before use.

P273Avoid release to the environment.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
40165
Product name
Dimethyldioctadecylammonium bromide
Purity
≥98.0% (AT)
Packaging
5g
Price
$121
Updated
2024/03/01
Sigma-Aldrich
Product number
40165
Product name
Dimethyldioctadecylammonium bromide
Purity
≥98.0% (AT)
Packaging
25g
Price
$533
Updated
2023/06/20
TCI Chemical
Product number
D1975
Product name
Dimethyldioctadecylammonium Bromide
Purity
>98.0%(T)
Packaging
25g
Price
$99
Updated
2024/03/01
TCI Chemical
Product number
D1975
Product name
Dimethyldioctadecylammonium Bromide
Purity
>98.0%(T)
Packaging
250g
Price
$480
Updated
2024/03/01
Alfa Aesar
Product number
A18244
Product name
Dimethyldi-n-octadecylammonium bromide, 99%
Packaging
1g
Price
$18.8
Updated
2021/12/16
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Dimethyldioctadecylammonium bromide Chemical Properties,Usage,Production

Description

18:0 DDAB is a double-chained quaternary ammonium surfactant with a bromide counter ion.

Chemical Properties

white powder

Uses

Dimethyldioctadecylammonium bromide has been used in a study to assess the interaction of its monolayers with DNA using specular neutron reflection, surface pressure-area isotherms, and Brewster angle microscopy. It has also been used in a study to investigate new adjuvants for use in kill vaccines for bovine viral diarrhea virus (BVDV).

General Description

18:0 DDAB is cationic lipid and a quaternary ammonium salt. The hydrocarbon tails are saturated unlike the ionizable lipids.

Biochem/physiol Actions

18:0 DDAB is a surface-active molecule, used as an adjuvant to induce systemic immune response. It is non-toxic.

Purification Methods

Crystallise the bromide from acetone, then MeOH [Lukac J Am Chem Soc 106 4387 1984]. Also purify it by chromatography on alumina by washing with *C6H6 and eluting with Me2CO, evaporating and crystallising from MeCN [Swain & Kreevoy J Am Chem Soc 77 1126 1955]. [Beilstein 4 IV 829.]

Dimethyldioctadecylammonium bromide Preparation Products And Raw materials

Raw materials

Preparation Products

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Dimethyldioctadecylammonium bromide Suppliers

Shanghai JONLN Reagent Co., Ltd.
Tel
400-0066400 13621662912
Fax
021-55660885
Email
422131432@qq.com
Country
China
ProdList
9986
Advantage
55
Guangdong wengjiang Chemical Reagent Co., Ltd.
Tel
0751-2886750 13927877953
Fax
0751-2886750
Email
3005811397@qq.com
Country
China
ProdList
13374
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Ark Pharm, Inc.
Tel
847-367-3680
Fax
847-367-3681
Email
sales@arkpharminc.com
Country
United States
ProdList
1670
Advantage
56
BeiJing Hwrk Chemicals Limted
Tel
0757-86329057 18501085097
Fax
010-89508210
Email
sales3.gd@hwrkchemical.com
Country
China
ProdList
7583
Advantage
55
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Xiamen Pioneer Technology Co., Ltd
Tel
0592-5625977 13850073005
Fax
0592-3776077
Email
13939264@qq.com
Country
China
ProdList
50
Advantage
64
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696;
Email
info@hanhongsci.com
Country
China
ProdList
42982
Advantage
64
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View Lastest Price from Dimethyldioctadecylammonium bromide manufacturers

Hebei Yanxi Chemical Co., Ltd.
Product
Dimethyldioctadecylammonium bromide 3700-67-2
Price
US $20.00-7.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-11-02
Hebei Mojin Biotechnology Co., Ltd
Product
Dimethyldioctadecylammonium bromide 3700-67-2
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-10-18
Hebei Guanlang Biotechnology Co., Ltd.
Product
Dimethyldioctadecylammonium bromide 3700-67-2
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2023-01-16

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