Description
Cyclopentane for Foam Blowing Agents
Cyclopentane is a colorless, flammable liquid with a benzene-like odor. It is insoluble in water but readily dissolves in alcohol, ether, benzene, carbon tetrachloride, and other organic solvents. With a relative density of 0.75 (water = 1) and 2.42 (air = 1), Cyclopentane is chemically stable and widely used in the production of rigid PU foams.
Physical Properties:
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CAS No.: 287-92-3
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Melting Point: -94.14 °C
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Boiling Point: 49.3 °C
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Flash Point: -37 °C
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Refractive Index (n20D): 1.4068
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Vapor Pressure: 45 kPa (20 °C)
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Critical Temperature: 238.6 °C
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Critical Pressure: 4.52 MPa
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Spontaneous Combustion Temperature: 361 °C / 682 °F
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Solubility: Insoluble in water; soluble in ethanol, benzene, carbon tetrachloride, and other organic solvents
Applications:
Cyclopentane is primarily used as a foaming agent to replace Freon in refrigerators, freezers, and other rigid PU foam applications. It also serves as a solvent for polymerization of polyisoprene rubber and cellulose ether. Additionally, Cyclopentane is utilized as a thermal insulation material in refrigeration systems.
Beyond foaming, Cyclopentane can be used as a raw material to synthesize Cyclopentanol and Cyclopentanone or as an accelerator to form hydrates with small molecules and water.
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