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About This Item

Empirical Formula (Hill Notation):
C5H8
CAS Number:
142-29-0
Molecular Weight:
68.12
Beilstein:
635707
EC Number:
205-532-9
MDL number:
MFCD00001394
UNSPSC Code:
12352100
PubChem Substance ID:
24861258
NACRES:
NA.22
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vapor pressure

20.89 psi ( 55 °C)
6.11 psi ( 20 °C)

Quality Level

100

Assay

96%

form

liquid

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

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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.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Asp. Tox. 1 - Flam. Liq. 2 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 2

Flash Point(F)

-29.9 °F - closed cup

Flash Point(C)

-34.4 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCL5160
MKCL3450
MKCK0963
MKCJ0276
MKCH6304

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