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2-Cyclopenten-1-one, 98%

Catalog No. p-7026990
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Quantity:
5 g
25 g

CAS: 930-30-3 | C5H6O | 82.10 g/mol

2-Cyclopenten-1-one is a versatile electrophile employed in various addition reactions including conjugate addition of organocopper nucleophiles, Michael reaction with silyl enol ethers and siloxanes. It is also used in Diels-Alder cycloadditions and phosphoniosilylations.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
2-Cyclopenten-1-one is a versatile electrophile employed in various addition reactions including conjugate addition of organocopper nucleophiles, Michael reaction with silyl enol ethers and siloxanes. It is also used in Diels-Alder cycloadditions and phosphoniosilylations.

Solubility
Miscible with alcohol and ether. Immiscible with water.

Notes
Hygroscopic. Store in cool place. Incompatible with strong oxidizing agents, strong reducing agents and strong bases.
TRUSTED_SUSTAINABILITY

Chemical Identifiers

CAS 930-30-3
Molecular Formula C5H6O
Molecular Weight (g/mol) 82.10
MDL Number MFCD00001401
InChI Key BZKFMUIJRXWWQK-UHFFFAOYSA-N
Synonym 2-cyclopenten-1-one, 2-cyclopentenone, cyclopentenone, cyclopent-2-enone, cyclopenten-3-one, 2-cyclopentene-1-one, cyclopent-2-ene-1-one, unii-q0u2igf9ck, 3-cyclopenten-2-one, q0u2igf9ck
PubChem CID 13588
IUPAC Name cyclopent-2-en-1-one
SMILES O=C1CCC=C1

Specifications

Density 1.01
Boiling Point 150°C
Flash Point 42°C (108°F)
Odor Characteristic
Refractive Index 1.481
Quantity 5 g
UN Number UN1224
Solubility Information Miscible with alcohol and ether. Immiscible with water.
Formula Weight 82.1
Percent Purity 98%
Chemical Name or Material 2-Cyclopenten-1-one
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Hazard Category H226-H302-H315-H319-H335
Hazard Statement GHS H Statement
H226-H335
Flammable liquid and vapour.
May cause respiratory irritation.
Precautionary Statement P210-P233-P235-P240-P241-P242-P243-P261-P264b-P270-P271-P280-P301+P312-P303+P361+P353-P304+P340-P305+P351+P338-P312-P330-P332+P313-P363-P370+P378q-P501c
DOTInformation Transport Hazard Class: 3; Packing Group: III; Proper Shipping Name: KETONES, LIQUID, N.O.S.
EINECSNumber 213-213-0
TSCA No
Recommended Storage Keep cold

RUO – Research Use Only

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