M32704
2-Methyl-2-butene
≥99%, purified by redistillation
Synonym(s):
β-Isoamylene, Amylene
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About This Item
Linear Formula:
CH3CH=C(CH3)2
CAS Number:
Molecular Weight:
70.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
208-156-3
Beilstein/REAXYS Number:
1361353
MDL number:
Assay:
≥99%
vapor density
2.4 (vs air)
Quality Level
vapor pressure
25.09 psi ( 55 °C), 7.66 psi ( 20 °C)
assay
≥99%
purified by
redistillation
expl. lim.
8.7 %
refractive index
n20/D 1.385 (lit.)
bp
35-38 °C (lit.)
mp
−134 °C (lit.)
density
0.662 g/mL at 25 °C (lit.)
SMILES string
C\C=C(\C)C
InChI
1S/C5H10/c1-4-5(2)3/h4H,1-3H3
InChI key
BKOOMYPCSUNDGP-UHFFFAOYSA-N
Application
2-Methyl-2-butene can be used:
- For the cross metathesis reaction to form compounds with prenyl-type double bonds: methyl 10-methylundec-9-enoate, 2-methylundec-2-ene and 8-prenylcoumarins.
- As a model of C5-branched alkene fuel to study the high-temperature kinetics of branched alkenes in a combustion environment.
- As an additive along with pyridine for partial hydrogenation of poly-ynes to form ω-hydroxy polyunsaturated fatty acids.
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - Muta. 2 - STOT SE 3
target_organs
Central nervous system
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
-4.0 °F
flash_point_c
-20 °C
ppe
Eyeshields, Faceshields, Gloves
Regulatory Information
危险化学品
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Influences of the molecular fuel structure on combustion reactions towards soot precursors in selected alkane and alkene flames.
Ruwe L, et al.
Physical Chemistry Chemical Physics, 20(16), 10780-10795 (2018)
Chemical synthesis and biological evaluation of ?-hydroxy polyunsaturated fatty acids.
Hwang SH, et al.
Bioorganic & Medicinal Chemistry Letters, 27(3), 620-625 (2017)
Fishing for the right catalyst for the cross-metathesis reaction of methyl oleate with 2-methyl-2-butene.
Sytniczuk A, et al.
Catalysis Science & Technology, 7(6), 1284-1296 (2017)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| M32704-500ML | 04061834050063 |
| M32704-100ML | 04061834050056 |