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344508 Sigma-Aldrich

Cyclopentene

96%

  • CAS Number 142-29-0

  • Empirical Formula (Hill Notation) C5H8

  • Molecular Weight 68.12

  •  Beilstein/REAXYS Number 635707

  •  EC Number 205-532-9

  •  MDL number MFCD00001394

  •  PubChem Substance ID 24861258

  •  NACRES NA.22

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Properties

Related Categories Alkenes, Building Blocks, Chemical Synthesis, Cyclic, Organic Building Blocks More...
Quality Level   100
vapor pressure   20.89 psi ( 55 °C)
  6.11 psi ( 20 °C)
assay   96%
autoignition temp.   743 °F
refractive index   n20/D 1.421 (lit.)
bp   44-46 °C (lit.)
mp   −135 °C (lit.)
solubility   water: soluble 0.535 g/L at 25 °C
density   0.771 g/mL at 25 °C (lit.)
storage temp.   2-8°C
SMILES string   C1CC=CC1
InChI   1S/C5H8/c1-2-4-5-3-1/h1-2H,3-5H2
InChI key   LPIQUOYDBNQMRZ-UHFFFAOYSA-N

Description

General description

Cyclopentene is a cyclo-olefin. Neopentyl phosphine ligand catalyzed Heck coupling of cyclopentene has been reported. Mechanism of reaction of ground state oxygen atom with cyclopentene has been investigated. Homopolymerization of cyclopentene has been reported. Photocatalytic oxidation of cyclopentene over various titanium(IV) oxide catalyst has been reported.

Application

Cyclopentene was used to investigate the [2+2] cycloaddition of diamond (001) surfaces with alkene.

Packaging

100, 500 mL in glass bottle

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
RIDADR 
UN 2246 3 / PGII
WGK Germany 
WGK 3
RTECS 
GY5950000
Flash Point(F) 
-29.9 °F - closed cup
Flash Point(C) 
-34.4 °C - closed cup

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Meet Synthia - Retrosynthesis Sofware
Protocols & Articles

Articles

GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal

From our library of Articles, Sigma-Aldrich presents GC Analysis of Hydrocarbons in Gasoline on Petrocol® DH, Isothermal
Keywords: Chromatography, Flame ionization detector, Gas chromatography, Purification, Separation

Peer-Reviewed Papers
15

References

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