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C112909

2-Cyclopenten-1-one

Name: 2-Cyclopenten-1-one
Brand: ALDRICH

98%

Synonym(s):

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

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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

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Properties

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.)

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

Description

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

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

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