Propylene

Chemical type

• Olefin (gas)

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• Light alkene
• Unsaturated hydrocarbon

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Key properties

• Contains a double bond, allowing dipole‑π interactions with sulfonic‑acid groups in SCA6
• Slightly smaller kinetic diameter than propane

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• Reactive C=C double bond
• High industrial demand
• Smaller kinetic diameter than propane

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• Key chemical feedstock; requires purification from propane impurities

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• Target product of PDH–CO₂ process
• Feedstock for polypropylene and chemicals

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Classification by use

• Chemicals used as industrial raw material
• Chemicals used as target gas in membrane‑based separation processes

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• Chemicals used as polymer precursors
• Chemicals used in petrochemical manufacturing

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1. [Cite 1] Influence of filler microstructure on propylene/propane separation in calixarene-based mixed matrix membranes, Advanced Membranes, Volume 7, June 2026, 100192
2. [Cite 2] The influence of metal/heteroelement in the M-BEA (M = Ga(Ta, Nb), Cr, Zn (Y)) zeolites on their catalytic properties in the PDH-CO2 process, Applied Catalysis O: Open, Volume 209, December 2025, 207081