CAS 287-92-3

Cyclopentane, also referred to as pentamethylene, has CAS No.287-92-3 and the molecular formula C₅H₁₀. It falls under the aromatics & hydrocarbons category of organic chemicals. Under ambient conditions, it is a colourless, highly-volatile transparent liquid with a mild gasoline-like odour. This saturated cycloalkane possesses a stable carbon-ring structure, a boiling point of approximately 49.3 °C, and an extremely low flash point of −37 °C, rendering it highly flammable. It is nearly insoluble in water yet fully miscible with alcohols, ethers and other non-polar organic solvents. Boasting zero ozone-depletion potential, it acts as a sustainable replacement for ozone-depleting CFC-based substances within modern polymer-industry workflows.

Industrial-grade Cyclopentane from Shandong Xima Supply Chain is a trusted alicyclic hydrocarbon feedstock for rigid-polyurethane foam producers, rubber-processing facilities and fine-chemical manufacturers worldwide. Its core characteristic stems from its stable five-membered saturated cyclic molecular framework. Unlike many straight-chain alkanes, its unique cyclic structure delivers favourable vaporisation properties at moderate processing temperatures. This physical trait enables uniform bubble formation during PU-foam curing without requiring excessively high heating, supporting reliable foaming performance for refrigerator-insulation panels and construction thermal-insulation boards. Given its low flash point, rigorous fire-safety protocols must be enforced throughout in-plant handling, storage and transportation.

A key advantage of our cyclopentane is its strict limits on hydrocarbon impurities such as methylcyclopentane and n-hexane. Excess foreign hydrocarbon contaminants alter vaporisation behaviour, resulting in inconsistent cell-size distribution and diminished thermal-insulation performance in finished polyurethane-foam products. Our industrial-grade material keeps these undesirable trace components within narrow technical specifications, verified through gas-chromatography testing. In addition to its solvency for non-polar polymers and natural oils, cyclopentane can serve as a reaction medium for solution polymerisation of polyisoprene rubber, minimising unwanted side-reactions stemming from poorly matched solvent systems.

Buyers gain tangible operational and commercial benefits by selecting our dependable cyclopentane supply. Tightly-controlled impurity profiles reduce reject rates for foam-based end-products, lowering raw-material waste and re-processing costs on client-side production lines. Our flexible bulk-inventory capacity supports both long-term framework contracts and urgent spot-order requirements for foam-material plants and chemical-synthesis operations. Customers can maintain uninterrupted production cycles without frequent supplier turnover. Every shipment includes complete official documentation to streamline import-customs clearance and internal quality-audit procedures for overseas industrial enterprises.

These performance claims are supported by our rigorous supply-chain-control protocols. Each incoming batch of cyclopentane undergoes representative sampling and in-house laboratory testing prior to dispatch. Test metrics include purity, visual appearance, boiling-range distribution, residual-hydrocarbon content and moisture content; all measured results are recorded on each lot's Certificate of Analysis. Our cyclopentane has been exported for PU-blowing-agent applications and organic-synthesis projects, earning repeat orders from industrial end-users. We only source material from audited upstream manufacturers holding valid hazardous-chemical production permits to guarantee consistent raw-material quality.

Global chemical purchasers frequently raise concerns regarding purity drift, unregulated trace-hydrocarbon levels, incomplete hazard-related documentation and inconsistent delivery timelines for highly-flammable cyclic-hydrocarbon materials. As a licensed hazardous-chemical supply-chain trader, Shandong Xima conducts thorough pre-shipment inspections for every cyclopentane consignment. We maintain adequate safety stock for standard industrial-grade specifications to address urgent procurement requests. A full documentation package containing GHS-compliant MSDS, batch-specific COA, commercial invoice and packing list is prepared to meet customs-compliance requirements. Our technical-support team can provide practical guidance covering explosion-proof handling, ventilation standards and cool-storage best practices to assist on-site plant operators in safely managing this flammable alicyclic hydrocarbon.

If you are sourcing qualified industrial-grade Cyclopentane for polyurethane-foam blowing-agent formulation, non-polar solvent applications or fine-chemical synthesis, please do not hesitate to contact us. We support bulk wholesale, sample requests and consultations for custom-specification requirements. Request your latest quotation and full specification sheet today.

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