220159
2,3-Dimethyl-2-butene
≥99%
Synonym(s):
Tetramethylethylene
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About This Item
Linear Formula:
(CH3)2C=C(CH3)2
CAS Number:
Molecular Weight:
84.16
Beilstein:
1361357
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
Recommended Products
vapor pressure
215 mmHg ( 37.7 °C)
Quality Level
Assay
≥99%
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
SMILES string
C\C(C)=C(\C)C
InChI
1S/C6H12/c1-5(2)6(3)4/h1-4H3
InChI key
WGLLSSPDPJPLOR-UHFFFAOYSA-N
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General description
2,3-Dimethyl-2-butene undergoes ozonolysis in dark to yield hydroxyl radical. Reaction of ozone with 2,3-dimethyl 2-butene (DMB) has been investigated using a flow-tube interfaced to UV photoelectron spectrometer. DMB forms adduct with thianthrene cation radical tetrafluoroborate at 0°C and -15°C.
Application
2,3-Dimethyl-2-butene was employed as substrate in photoinduced molecular transformations involving 2-hydroxy-1,4-naphthoquinones.
accessory
Product No.
Description
Pricing
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Asp. Tox. 1 - Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
17.6 °F - closed cup
Flash Point(C)
-8 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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The Journal of Organic Chemistry, 58, 4614-4614 (1993)
Bing-Jun Zhao et al.
The Journal of organic chemistry, 71(10), 3737-3742 (2006-05-06)
Thianthrene cation radical tetrafluoroborate (Th*+ BF4-) has been found to add to 2,3-dimethyl-2-butene (DMB) at 0 degrees C and -15 degrees C. The adduct, 2,3-dimethyl-2,3-(5,10-thianthreniumdiyl)butane ditetrafluoroborate (12), was isolated at -15 degrees C, and its 1H NMR spectrum was recorded
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
P Di Mascio et al.
Free radical biology & medicine, 12(6), 471-478 (1992-01-01)
Ultraweak chemiluminescence arising from lipoperoxidation has been attributed by several authors to the radiative deactivation of singlet oxygen and triplet carbonyl products. The latter emitters have been suggested to come from annihilation of RO. and ROO. radicals as well as
Bridgett E Coleman et al.
The journal of physical chemistry. A, 114(48), 12667-12674 (2010-11-17)
The matrix isolation technique, combined with infrared spectroscopy and twin jet codeposition, has been used to characterize intermediates formed during the ozonolysis of 2,3-dimethyl-2-butene (DMB). Absorptions of early intermediates in the twin jet experiments grew up to 200% upon annealing
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