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Merck
CN

129259

2,3-Dimethyl-2-butene

98%

Synonym(s):

Tetramethylethylene

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About This Item

Linear Formula:
(CH3)2C=C(CH3)2
CAS Number:
563-79-1
Molecular Weight:
84.16
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24847892
EC Number:
209-263-8
Beilstein/REAXYS Number:
1361357
MDL number:
MFCD00008897

Key Documents

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Product Name

2,3-Dimethyl-2-butene, 98%

InChI key

WGLLSSPDPJPLOR-UHFFFAOYSA-N

InChI

1S/C6H12/c1-5(2)6(3)4/h1-4H3

SMILES string

C\C(C)=C(\C)C

vapor pressure

215 mmHg ( 37.7 °C)

assay

98%

form

liquid

autoignition temp.

754 °F

refractive index

n20/D 1.412 (lit.)

bp

73 °C (lit.)

mp

−75 °C (lit.)

density

0.708 g/mL at 25 °C (lit.)

storage temp.

2-8°C

Quality Level

100

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Application

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.

pictograms

FlameHealth hazard
GHS02,GHS08

signalword

Danger

hcodes

H225,H304

Hazard Classifications

Asp. Tox. 1 - Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

17.6 °F - closed cup

flash_point_c

-8 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBS8217
SHBN6697
SHBM2207
SHBH6331
SHBH2692V

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Xiangcheng Pan et al.
Journal of the American Chemical Society, 135(38), 14433-14437 (2013-08-29)
The hydroboration of alkenes of diverse structural types by assorted N-heterocyclic carbene boranes can be accomplished by addition of 5-10% diiodine. For example, reaction of 1,3-dimethylimidazol-2-ylidene borane (diMe-Imd-BH3) with 10% I2 followed by addition of 2,3-dimethyl-2-butene provided the corresponding thexyl
Maryline Pflieger et al.
Environmental science & technology, 47(12), 6239-6246 (2013-05-15)
In order to investigate the heterogeneous oxidation kinetics of the herbicide terbuthylazine (TERB), a stable and reproducible generation system of "dark" hydroxyl radical in the gas phase was developed and optimized using a PTR-MS. TERB was adsorbed on silica particles
Andrew T Lambe et al.
Environmental science & technology, 41(7), 2357-2363 (2007-04-19)
We present a novel method for continuous, stable OH radical production for use in smog chamber studies, especially those focused on organic aerosol aging. Our source produces OH radicals from the reaction of 2,3-dimethyl-2-butene and ozone and is unique as
L R Pohl et al.
Biochemical and biophysical research communications, 117(2), 367-371 (1983-12-16)
Although indirect evidence has suggested that liver microsomal cytochrome P-450 can reductively dehalogenate several compounds to carbene metabolites, there has been no direct proof for the formation of these reactive species. We report in this paper that carbenes can be
N Haga et al.
Photochemistry and photobiology, 61(6), 557-562 (1995-06-01)
The mechanism of photocycloaddition of 2'-deoxyuridine (1a) and thymidine (1b) to 2,3-dimethyl-2-butene (Bu) in acetonitrile by UV irradiation has been studied. The reciprocal quantum yield for the cycloaddition increased linearly with reciprocal concentrations of Bu in acetonitrile to give limiting
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