ChemicalBook > CAS DataBase List > 2,3-Dimethyl-2-butene

2,3-Dimethyl-2-butene

Product Name
2,3-Dimethyl-2-butene
CAS No.
563-79-1
Chemical Name
2,3-Dimethyl-2-butene
Synonyms
2,3-Dimethylbut-2-ene;TETRAMETHYLETHYLENE;2-Butene, 2,3-dimethyl-;-2-butene soL;DiMethyl-2-but;(CH3)2C=C(CH3)2;Tetramethylethene;2,3-Dimethylbutene-2;2,3-dimethyl-2-buten;2,3-DIMETHYL-2-BUTENE
CBNumber
CB8429788
Molecular Formula
C6H12
Formula Weight
84.16
MOL File
563-79-1.mol
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2,3-Dimethyl-2-butene Property

Melting point:
-75 °C (lit.)
Boiling point:
73 °C (lit.)
Density 
0.708 g/mL at 25 °C (lit.)
vapor pressure 
215 mm Hg ( 37.7 °C)
refractive index 
n20/D 1.412(lit.)
Flash point:
2 °F
storage temp. 
2-8°C
solubility 
0.071g/l
form 
Liquid
Specific Gravity
0.708
color 
Clear colorless to slightly yellow
explosive limit
1.2%(V)
Water Solubility 
Soluble in water (0.071 g/L)
Sensitive 
Air Sensitive
BRN 
1361357
Stability:
Stable. Highly flammable - readily forms explosive mixtures with air. Note low flash point. Incompatible with strong acids, strong oxidizing agents, peroxy compounds.
CAS DataBase Reference
563-79-1(CAS DataBase Reference)
NIST Chemistry Reference
2-Butene, 2,3-dimethyl-(563-79-1)
EPA Substance Registry System
2-Butene, 2,3-dimethyl- (563-79-1)
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Safety

Hazard Codes 
F,Xn,C
Risk Statements 
11-65-36/37/38-22-19-40-36/37
Safety Statements 
16-33-62-9-36/37/39-26-36/37
RIDADR 
UN 3295 3/PG 2
WGK Germany 
3
10-23
Autoignition Temperature
754 °F
Hazard Note 
Extremely Flammable/Corrosive/Harmful
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29012980
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
129259
Product name
2,3-Dimethyl-2-butene
Purity
98%
Packaging
25ml
Price
$58.68
Updated
2024/03/01
Sigma-Aldrich
Product number
129259
Product name
2,3-Dimethyl-2-butene
Purity
98%
Packaging
1l
Price
$1200
Updated
2024/03/01
TCI Chemical
Product number
D0693
Product name
2,3-Dimethyl-2-butene
Purity
>96.0%(GC)
Packaging
25mL
Price
$78
Updated
2024/03/01
TCI Chemical
Product number
D0693
Product name
2,3-Dimethyl-2-butene
Purity
>96.0%(GC)
Packaging
100mL
Price
$206
Updated
2024/03/01
Alfa Aesar
Product number
A13201
Product name
Tetramethylethylene, 97%
Packaging
5g
Price
$35.65
Updated
2024/03/01
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2,3-Dimethyl-2-butene Chemical Properties,Usage,Production

Chemical Properties

colourless liquid

Uses

2,3-Dimethyl-2-butene was used in the preparation of thexyl NHC-borane (diMe-Imd-BH2thexyl).

General Description

2,3-Dimethyl-2-butene undergoes hydrolysis to form hydroxyl radical.

Purification Methods

Purify it by GLC on a column of 20% squalene on chromosorb P at 50o [Flowers & Rabinovitch J Phys Chem 89 563 1985]. Also wash it with 1M NaOH solution followed by H2O. Dry it over Na2SO4, distil it over powdered KOH under nitrogen and pass it through activated alumina before use. [Woon et al. J Am Chem Soc 108 7990 1986, Wong et al. J Am Chem Soc 109 3428 1987, Beilstein 1 IV 853.]

2,3-Dimethyl-2-butene Preparation Products And Raw materials

Raw materials

Preparation Products

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2,3-Dimethyl-2-butene Suppliers

Dalian Agrochemical Engineering Technology
Tel
0411-87511235 18525493992
Email
lina.jia@chemphy.com
Country
China
ProdList
5
Advantage
58
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Beijing Ouhe Technology Co., Ltd
Tel
010-82967028 13552068683
Fax
+86-10-82967029
Email
2355560935@qq.com
Country
China
ProdList
12426
Advantage
60
JinYan Chemicals(ShangHai) Co.,Ltd.
Tel
13817811078
Fax
86-021-50426522,50426273
Email
sales@jingyan-chemical.com
Country
China
ProdList
9984
Advantage
60
Shanghai Longsheng chemical Co.,Ltd.
Tel
021-58099652-8005 13585536065
Fax
021-58099609
Email
bin.wu@shlschem.com
Country
China
ProdList
9816
Advantage
59
Shanghai Hanhong Scientific Co.,Ltd.
Tel
021-54306202 13764082696;
Email
info@hanhongsci.com
Country
China
ProdList
42982
Advantage
64
Beckmann-Kenko GmbH
Tel
+49 4241 9308 88
Fax
+49 4241 9308 89
Email
info@beckmann-kenko.com
Country
Germany
ProdList
479
Advantage
62
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View Lastest Price from 2,3-Dimethyl-2-butene manufacturers

Hebei Duling International Trade Co. LTD
Product
2,3-Dimethyl-2-butene 563-79-1
Price
US $100.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
100 tons
Release date
2023-04-26
Career Henan Chemical Co
Product
2,3-Dimethyl-2-butene 563-79-1
Price
US $1.00/KG
Min. Order
1G
Purity
98%
Supply Ability
100KG
Release date
2018-08-17

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