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2-Cyclopenten-1-one, 98%
Description
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.
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
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% |
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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 |
RUO – Research Use Only
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