Cyclopentane 99.5% Purity for PU Foam Industrial Grade
Cyclopentane (CAS No.: 287-92-3) is a colorless, transparent, volatile liquid hydrocarbon compound with a chemical formula of C₅H₁₀ and a slight petroleum ether odor. As an environmentally friendly foaming agent and solvent, cyclopentane is widely used in polyurethane (PU) foam, refrigerant, chemical synthesis and other fields.
Cyclopentane product details
1. Basic product specifications
Chemical name: Cyclopentane
Chemical formula: C₅H₁₀
CAS number: 287-92-3
UN number: 1146
Hazard category: Class 3 flammable liquid
Appearance: colorless and transparent liquid
Odor: characteristic petroleum ether odor
Purity: ≥99.5% (gas chromatography detection)
Physical and chemical properties
Parameter Value Test standard
Molecular weight 70.13 g/mol -
Density (20℃) 0.745 g/cm³ ASTM D4052
Boiling point 49.3℃ ASTM D1078
Flash point -37℃ (closed cup) ASTM D93
Autoignition point 320℃ ASTM E659
Vapor pressure (20℃) 33.3 kPa ASTM D323
Explosion limit 1.4%-8.7% -
Water solubility Insoluble (<0.1g/L at 20℃) OECD 105
Physical and chemical properties
Parameter Value Test standard
Molecular weight 70.13 g/mol -
Density (20℃) 0.745 g/cm³ ASTM D4052
Boiling point 49.3℃ ASTM D1078
Flash point -37℃ (closed cup) ASTM D93
Autoignition point 320℃ ASTM E659
Vapor pressure (20℃) 33.3 kPa ASTM D323
Explosion limit 1.4%-8.7% -
Water solubility Insoluble (<0.1g/L at 20℃) OECD 105
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