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Merck
CN

680729

4-Hydroxy-2-cyclopentenone

96%

Synonym(s):

4-Hydroxy-2-cyclopenten-1-one, 4-Oxo-2-cyclopenten-1-ol

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About This Item

Empirical Formula (Hill Notation):
C5H6O2
CAS Number:
61305-27-9
Molecular Weight:
98.10
UNSPSC Code:
12352100
MDL number:
MFCD09035055

Key Documents

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SMILES string

OC1CC(=O)C=C1

assay

96%

contains

0.5% BHT as stabilizer

refractive index

n20/D 1.5078

density

1.1623 g/mL at 25 °C

Application

A building block for drug synthesis.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Irrit. 2

Storage Class

11 - Combustible Solids

flash_point_f

230.0 °F

flash_point_c

110 °C

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
MKBC9603
08726DH

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Tetrahedron Asymmetry, 15, 2807-2809 (2004)
Tetrahedron, 53 (6), 1983-2004 (1997)

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