2-Cyclopenten-1-one, 98%

Description

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.

Specifications

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

• 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

Safety and Handling

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

SDS

RUO – Research Use Only