143774
2-Pentene (mixture of cis and trans)
99%
Synonym(s):
β-Amylene, β-n-Amylene, 1-Methyl-2-ethylethylene, 3-Pentene, sym-Methylethylethylene
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About This Item
Linear Formula:
CH3CH2CH=CHCH3
CAS Number:
Molecular Weight:
70.13
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
203-695-0
Beilstein/REAXYS Number:
969151
MDL number:
Assay:
99%
Form:
liquid
InChI key
QMMOXUPEWRXHJS-HWKANZROSA-N
InChI
1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3/b5-3+
SMILES string
CCC=CC
vapor pressure
8.06 psi ( 20 °C)
assay
99%
form
liquid
refractive index
n20/D 1.38 (lit.)
bp
37 °C (lit.)
density
0.65 g/mL at 25 °C (lit.)
storage temp.
2-8°C
Quality Level
Related Categories
General description
2-Pentene undergoes addition reaction with phenoxathiin cation radical in acetonitrile solution to form bis(10-phenoxathiiniumyl)alkane adducts.
Application
2-Pentene (mixture of cis and trans) was used in the synthesis of polycyclopentene by ring-opening metathesis polymerization.
signalword
Danger
hcodes
Hazard Classifications
Asp. Tox. 1 - Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
-49.0 °F - closed cup
flash_point_c
-45 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves
Regulatory Information
危险化学品
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Synthesis of narrow-distribution polycyclopentene using a ruthenium ring-opening metathesis initiator.
Myers SB and Register RA.
Polymer, 49(4), 877-882 (2008)
Bing-Jun Zhao et al.
The Journal of organic chemistry, 72(16), 6154-6161 (2007-07-03)
Addition of phenoxathiin cation radical (PO*+) to acyclic alkenes in acetonitrile (MeCN) solution occurred stereospecifically to form bis(10-phenoxathiiniumyl)alkane adducts. Stereospecific trans addition is ascribed to the intermediacy of an episulfonium cation radical. The alkenes used were cis- and trans-2-butene, cis-
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