ChemicalBook > CAS DataBase List > Cyclopentene oxide

Cyclopentene oxide

Product Name
Cyclopentene oxide
CAS No.
285-67-6
Chemical Name
Cyclopentene oxide
Synonyms
cyclopentaneoxide;Epoxycyclopentane;Cyclopentane oxide;CYCLOPENTENE OXIDE;6-OXABICYCLOHEXANE;cyclopenteneepoxide;Cyclopentene epoxide;1,2-epoxy-cyclopentan;1,2-EPOXYCYCLOPENTANE;Cyclopentene oxide,98%
CBNumber
CB8162991
Molecular Formula
C5H8O
Formula Weight
84.12
MOL File
285-67-6.mol
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Cyclopentene oxide Property

Melting point:
136-137 °C
Boiling point:
102 °C(lit.)
Density 
0.964 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.434(lit.)
Flash point:
50 °F
storage temp. 
2-8°C
form 
Liquid
color 
Clear colorless to very faintly yellow
Water Solubility 
Immiscible with water.
BRN 
102495
InChI
InChI=1S/C5H8O/c1-2-4-5(3-1)6-4/h4-5H,1-3H2
InChIKey
GJEZBVHHZQAEDB-UHFFFAOYSA-N
SMILES
C12C(O1)CCC2
LogP
0.908 (est)
CAS DataBase Reference
285-67-6(CAS DataBase Reference)
NIST Chemistry Reference
cis-1,2-Epoxycyclopentane(285-67-6)
EPA Substance Registry System
6-Oxabicyclo[3.1.0]hexane (285-67-6)
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Safety

Hazard Codes 
F,Xi
Risk Statements 
11-36/37/38
Safety Statements 
16-26-36-36/37/39
RIDADR 
UN 1993 3/PG 2
WGK Germany 
3
RTECS 
RN8935000
TSCA 
Yes
HazardClass 
3
PackingGroup 
III
HS Code 
29109000
Hazardous Substances Data
285-67-6(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
175188
Product name
Cyclopentene oxide
Purity
98%
Packaging
5g
Price
$151
Updated
2025/07/31
Sigma-Aldrich
Product number
175188
Product name
Cyclopentene oxide
Purity
98%
Packaging
25g
Price
$433.2
Updated
2025/07/31
TCI Chemical
Product number
E0513
Product name
1,2-Epoxycyclopentane
Purity
>97.0%(GC)
Packaging
5g
Price
$35
Updated
2025/07/31
TCI Chemical
Product number
E0513
Product name
1,2-Epoxycyclopentane
Purity
>97.0%(GC)
Packaging
25g
Price
$116
Updated
2025/07/31
TRC
Product number
C992403
Product name
Cyclopentene oxide
Packaging
100mg
Price
$60
Updated
2021/12/16
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Cyclopentene oxide Chemical Properties,Usage,Production

Chemical Properties

Clear colorless to very faintly yellow liquid

Uses

Cyclopentene oxide is used to prepare beta-amino alcohols by reacting with aromatic amines using bismuth trichloride as a catalyst.

Cyclopentene oxide Preparation Products And Raw materials

Raw materials

3-Chloroperoxybenzoic acid Cyclopentene Dichloromethane

Preparation Products

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Cyclopentene oxide Suppliers

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View Lastest Price from Cyclopentene oxide manufacturers

Hebei Chuanghai Biotechnology Co., Ltd
Product
Cyclopentene oxide 285-67-6
Price
US $30.00-10.00/KG
Min. Order
50KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-24
Hebei Yanxi Chemical Co., Ltd.
Product
Cyclopentene oxide 285-67-6
Price
US $25.00-11.00/kg
Min. Order
1kg
Purity
0.99
Supply Ability
10 tons
Release date
2023-11-24
Henan Fengda Chemical Co., Ltd
Product
Cyclopentene oxide 285-67-6
Price
US $100.00-1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons, free sample is available
Release date
2023-12-26

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  • 1,2-epoxy-cyclopentan
  • 1,2-Epoxycyclopentane Cyclopentene oxide 6-Oxabicyclo[3.1.0]hexane
  • Cyclopentene oxide,98%
  • Cyclopentene oxide,1,2-Epoxycyclopentane, 6-Oxabicyclo[3.1.0]hexane
  • 1,2-Epoxycyclopentane, Cyclopentene oxide
  • Cyclopentene oxide, 98% 25GR
  • Cyclopentene Oxide 6-Oxabicyclo[3.1.0]hexane
  • cyclopentene oxide radical cation
  • 1,2-EPOXYCYCLOPENTANE
  • cis-1,2-epoxycyclopentane
  • Cyclopentane oxide
  • Cyclopentane, 1,2-epoxy-
  • cyclopentaneoxide
  • Cyclopentene epoxide
  • cyclopenteneepoxide
  • Epoxycyclopentane
  • 6-OXABICYCLO[3.1.0]HEXANE
  • CYCLOPENTENE OXIDE
  • Epoxycyclopentane~6-Oxabicyclo[3.1.0]hexane
  • 1,2-EPOXYCYCLOPENTANE 96+%
  • 6-OXABICYCLOHEXANE
  • Cyclopentene oxide, GC 97%
  • 1,2-Epoxycyclopentane, 6-Oxabicyclo[3.1.0]hexane
  • 1,2-Epoxycyclopentane&gt
  • Cyclopentene oxide ISO 9001：2015 REACH
  • Cyclopentene oxide purum
  • 6-oxabicyclo[3.1.0]hexane - [X86373]
  • 285-67-6
  • 285-97-6
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