ChemicalBook > CAS DataBase List > 2,3-DIMETHYL-2,3-DINITROBUTANE
2,3-DIMETHYL-2,3-DINITROBUTANE
- Product Name
- 2,3-DIMETHYL-2,3-DINITROBUTANE
- CAS No.
- 3964-18-9
- Chemical Name
- 2,3-DIMETHYL-2,3-DINITROBUTANE
- Synonyms
- DMDNB;NSC 1156;TIMTEC-BB SBB008538;Dimethyl-2,3-dinitrobutane;2,3-DIMETHYL-2,3-DINITROBUTANE;2,3-dimetnyl-2,3-dinitrobutane;2,3-Dinitro-2,3-dimethylbutane;Butane,2,3-dimethyl-2,3-dinitro-;2,3-DIMETHYL-2,3-DINITRO-N-BUTANE;2,3-Dimethyl-2,3-dinitrobutane>
- CBNumber
- CB4225047
- Molecular Formula
- C6H12N2O4
- Formula Weight
- 176.17
- MOL File
- 3964-18-9.mol
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2,3-DIMETHYL-2,3-DINITROBUTANE Property
- Melting point:
- 214-215 °C (dec.) (lit.)
- Boiling point:
- 257.77°C (rough estimate)
- Density
- 1.1857 (estimate)
- vapor pressure
- 128 hPa (96 mm Hg)
- refractive index
- 1.4660 (estimate)
- storage temp.
- Freeze (<-10 °C)
- form
- powder to crystal
- color
- White to Almost white
- InChI
- InChI=1S/C6H12N2O4/c1-5(2,7(9)10)6(3,4)8(11)12/h1-4H3
- InChIKey
- DWCLXOREGBLXTD-UHFFFAOYSA-N
- SMILES
- CC(C)([N+]([O-])=O)C(C)([N+]([O-])=O)C
- CAS DataBase Reference
- 3964-18-9(CAS DataBase Reference)
- EPA Substance Registry System
- Butane, 2,3-dimethyl-2,3-dinitro- (3964-18-9)
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H300Fatal if swallowed
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P405Store locked up.
P501Dispose of contents/container to..…
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 156345
- Product name
- 2,3-Dimethyl-2,3-dinitrobutane
- Purity
- 98%
- Packaging
- 10g
- Price
- $34.76
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 156345
- Product name
- 2,3-Dimethyl-2,3-dinitrobutane
- Purity
- 98%
- Packaging
- 50g
- Price
- $344
- Updated
- 2024/03/01
TCI Chemical
- Product number
- D1822
- Product name
- 2,3-Dimethyl-2,3-dinitrobutane
- Purity
- >98.0%(GC)
- Packaging
- 10g
- Price
- $86
- Updated
- 2024/03/01
TCI Chemical
- Product number
- D1822
- Product name
- 2,3-Dimethyl-2,3-dinitrobutane
- Purity
- >98.0%(GC)
- Packaging
- 25g
- Price
- $153
- Updated
- 2024/03/01
TRC
- Product number
- N525310
- Product name
- 2,3-Dinitro-2,3-dimethylbutane
- Packaging
- 250mg
- Price
- $55
- Updated
- 2021/12/16
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2,3-DIMETHYL-2,3-DINITROBUTANE Chemical Properties,Usage,Production
Description
2,3-Dimethyl-2,3-dinitrobutane (DMNB), a nitroalkane compound used as a propellant, foaming agent and explosives detector, is an important additive component in the manufacture of explosives, and the product has been used to develop a rapid square-wave voltammetry measurement protocol for tagging on unmodified carbon fibre electrodes (DMNB Explosives).
Chemical Properties
white to off-white crystals or cryst. powder
Physical properties
sublimes at room temperature
Uses
2,3-Dimethyl-2,3-dinitrobutane (DMNB) is an additive required for commercial plastic explosives. The product has been used to develop a fast, square-wave voltammetric measurement protocol of taggant (DMNB explosive) at an unmodified carbon fiber electrode. This protocol used a phosphate buffer solution at pH 7.0.
Synthesis Reference(s)
Journal of the American Chemical Society, 96, p. 2580, 1974 DOI: 10.1021/ja00815a043
The Journal of Organic Chemistry, 35, p. 295, 1970
Toxicology
Toxicologists at the U.S. Army Center for Health Promotion and Preventive Medicine have proposed an occupational exposure limit (OEL) for 2,3-Dimethyl-2,3-dinitrobutane(DMNB) of 0.15 mg/m3.
Synthesis
The synthesis of 2,3-dimethyl-2,3-dinitrobutane is as follows:
Add 4.5 g (0.05 mol) of 2-nitropropane and 9 mL of a 6 mol/L sodium hydroxide solution to a 100 mL three-necked flask. The reaction was stirred magnetically for 0.5 h in an ice-water bath, and 4 g (0.025 mol) of liquid bromine was added dropwise to the flask using a constant pressure dropping funnel. After the dropwise addition was completed, 15 mL of absolute ethanol was added to thereto, and stirring was continued in an ice bath for 0.5 h. Then the ice bath was removed, the temperature was raised to 90℃, and the reaction was refluxed for 2 hours to stop the reaction. After the reaction liquid was naturally cooled to room temperature, a large amount of white solid precipitated, filtered, washed several times with absolute ethanol and distilled water, and dried under vacuum to obtain 40.13 g of white flake crystals. The yield was 91.2%.
2,3-DIMETHYL-2,3-DINITROBUTANE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 2,3-DIMETHYL-2,3-DINITROBUTANE manufacturers
Beijing Risun Science and Technology Limited
- Product
- 2,3-DIMETHYL-2,3-DINITROBUTANE 3964-18-9
- Price
- US $0.00-0.00/G
- Min. Order
- 100G
- Purity
- 99 %（GC）
- Supply Ability
- 1 tons
- Release date
- 2024-04-28
Henan Fengda Chemical Co., Ltd
- Product
- 2,3-DIMETHYL-2,3-DINITROBUTANE 3964-18-9
- Price
- US $5.00-0.10/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- g-kg-tons, free sample is available
- Release date
- 2024-04-16
WEIFANG OUCHEM TRADE CO.,LTD.
- Product
- 2,3-DIMETHYL-2,3-DINITROBUTANE (DMDNB) 3964-18-9
- Price
- US $0.00-0.00/kg
- Min. Order
- 0.10000000149011612kg
- Purity
- 99% Min.
- Supply Ability
- 300KG
- Release date
- 2024-01-25
3964-18-9, 2,3-DIMETHYL-2,3-DINITROBUTANERelated Search:
Methyl cellulose
4-Chloro-2,3-dimethylpyridine 1-oxide
2,3-Dimethyl-2,3-diphenylbutane
2-Methyl-2-nitropropane
2-Nitropropane
2-Nitrobutane
1-Nitropropane
2,3-DIMETHYL-2,3-DINITROBUTANE
(S)-(+)-2-Amino-3-methylbutane
N-Isopropylhydroxylamine
Nitroethane
2-methyl-1-nitropropane
N,N'-DIHYDROXY-2,3-DIMETHYL-2,3-BUTANEDIAMINE