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:
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
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
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 hydrolysis to form hydroxyl radical.
Application
2,3-Dimethyl-2-butene was used in the preparation of thexyl NHC-borane (diMe-Imd-BH2thexyl).
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 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
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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
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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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