295469
2-Methylpropene
99%
Sinónimos:
Isobutylene
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About This Item
Fórmula lineal:
(CH3)2C=CH2
Número de CAS:
Peso molecular:
56.11
Beilstein/REAXYS Number:
773645
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22
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vapor density
2 (vs air)
Quality Level
vapor pressure
3278 mmHg ( 37.7 °C)
assay
99%
autoignition temp.
869 °F
bp
−6.9 °C (lit.)
mp
−140 °C
SMILES string
CC(C)=C
InChI
1S/C4H8/c1-4(2)3/h1H2,2-3H3
InChI key
VQTUBCCKSQIDNK-UHFFFAOYSA-N
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General description
2-methylpropene is used to synthesize S-(+)-2,2-Dimethylcyclopropane carboxylic acid via asymmetric cyclopropanation reaction.
Application
2-Methylpropene can be used in the following reactions:
- Asymmetric synthesis of S-(+)-2,2-dimethylcyclopropane carboxylic acid, a key building block for the synthesis of cilastatin.
- Alkylation of p-xylene to form t-butyl-p-xylene catalyzed by a heteropolyacid.
- Synthesis of poly(2-methylpropene) or polyisobutene.
Packaging
Supplied in a Sure/Pac™ cylinder and has a brass needle valve with a male 1/4" NPTF outlet thread installed. Before using the cylinder, ensure that the valve is closed, then remove the galvanized steel hex cap that seals the outlet valve.
Compatible with the following:
Compatible with the following:
Legal Information
Aldrich is a registered trademark of Sigma-Aldrich Co. LLC
Sure/Pac is a trademark of Sigma-Aldrich Co. LLC
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signalword
Danger
hcodes
pcodes
Hazard Classifications
Flam. Gas 1 - Press. Gas Liquefied gas
Storage Class
2A - Gases
wgk_germany
nwg
flash_point_f
-112.0 °F - closed cup
flash_point_c
-80 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
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Los clientes también vieron
The synthesis of S-(+)-2, 2-dimethylcyclopropane carboxylic acid: a precursor for cilastatin.
Wang Q, et al.
Tetrahedron Asymmetry, 9(22), 3971-3977 (1998)
Molybdenum (III) Compounds as Catalysts for 2?Methylpropene Polymerization.
Hijazi A K, et al.
Angewandte Chemie (International Edition in English), 46(38), 7290-7292 (2007)
The synthesis of S-(+)-2, 2-dimethylcyclopropane carboxylic acid: a precursor for cilastatin
Wang Q, et al.
Tetrahedron Asymmetry, 9, 3971-3977 (1998)
Selective alkylation of p-xylene with 2-methylpropene by 12-tungstophosphoric acid.
Soeda H, et al.
Chemistry Letters (Jpn), 23(5), 909-912 (1994)
Taichang Zhang et al.
The journal of physical chemistry. A, 112(42), 10495-10501 (2008-10-01)
The thermal decomposition pathways of MTBE have been investigated using the G3B3 method. On the basis of the experimental observation and theoretical calculation, the pyrolysis channels are provided, especially for primary pyrolysis reactions. The primary decomposition pathways include formation of
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