Skip to Content

Key Documents

View All Documentation

C112909

2-Cyclopenten-1-one

98%

Synonym(s):

1-Cyclopenten-5-one, 1-Cyclopenten-3-one, 2-Cyclopentenone, Cyclopent-2-en-1-one, Cyclopenten-3-one

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C5H6O
CAS Number:
930-30-3
Molecular Weight:
82.10
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24892357
EC Number:
213-213-0
Beilstein/REAXYS Number:
1446054
MDL number:
MFCD00001401
Assay:
98%
Form:
liquid
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

200

assay

98%

form

liquid

refractive index

n20/D 1.481 (lit.)

bp

64-65 °C/19 mmHg (lit.)

density

0.98 g/mL at 25 °C (lit.)

functional group

ketone

storage temp.

2-8°C

SMILES string

O=C1CCC=C1

InChI

1S/C5H6O/c6-5-3-1-2-4-5/h1,3H,2,4H2

InChI key

BZKFMUIJRXWWQK-UHFFFAOYSA-N

Application

Versatile electrophile employed in a variety of addition reactions including conjugate addition of organocopper nucleophiles, Michael reaction with silyl enol ethers, and siloxanes, Diels-Alder cycloadditions, and phosphoniosilylations.

pictograms

Flame
GHS02

signalword

Warning

hcodes

H226

Hazard Classifications

Flam. Liq. 3

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

107.6 °F - closed cup

flash_point_c

42 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library