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Cyclohexane (CAS 110-82-7) is a colorless, non-polar cycloalkane (C₆H₁₂) widely produced and traded as a petrochemical intermediate. It is principally manufactured by hydrogenation of benzene and serves as a primary feedstock to produce cyclohexanol / cyclohexanone (KA oil), which in turn are converted to adipic acid and caprolactam — the essential intermediates for nylon-6,6 and nylon-6 polymers. Because of its role in the nylon value chain, cyclohexane demand closely follows global polymer, textile and automotive markets.
Key physical & chemical properties (practical highlights)
These physical parameters determine storage temperature, vapor control and shipping classification for bulk transport (tank containers or chemical tankers).
Industrial production methods
On a commercial scale cyclohexane is predominantly produced by catalytic hydrogenation of benzene (liquid or vapor phase) using nickel or precious-metal catalysts. Process control (temperature, pressure, catalyst selection) is critical because benzene hydrogenation is highly exothermic and product selectivity affects downstream separation and yield. Some complexes integrate benzene hydrogenation with downstream KA-oil oxidation or hydrogenation units to optimize logistics and minimize intermediate storage.
Catalysts and process choices (Ni vs Pt, supported vs bulk metal) are selected to balance activity, life-time, and resistance to sulfur poisoning; modern units favor high-activity, long-life catalysts to maximize conversion and reduce hydrogen consumption.
Main downstream value chains & applications (why cyclohexane matters)
Cyclohexane is a platform intermediate feeding multiple high-value chemical chains:
Because nylon fibers and engineering plastics are crucial in automotive, textile, industrial and consumer sectors, cyclohexane demand and price are driven by polymer production cycles, automotive output and textile market trends.
Commercial grades, packaging & logistics
For export buyers, insist on COA, SDS/MSDS, agreed sampling protocol and vapor-control measures during loading/unloading to protect product quality and ensure regulatory compliance.
Market size & recent trends
Market estimates vary by provider, but the cyclohexane market is large and growing owing to rising demand for nylon intermediates:
Regional demand is strongest in Asia-Pacific (China, India, SE Asia) where polymer production capacity is expanding; supply is linked to aromatics and refinery/cracker feedstock economics, so prices can be influenced by benzene availability and refinery run rates.
Quality control & specification (what buyers should require)
When procuring cyclohexane, include the following in your RFQ and contract:
Specifying these items in advance prevents quality disputes and simplifies customs and QC acceptance on arrival.
Safety, storage & regulatory considerations
Commercial / procurement tips
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