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· propylene is a building-block chemical base for more complex chemicals. Monitoring data indicate that the general population may be exposed to propylene via inhalation of ambient air, since propylene is … It has one double bond, … Large quantities of propylene are used in the … · propylene, also known as propene, is one of the most important organic compounds produced industrially. Chemicals created from propylene include … It is a gas at room … Propylene, also known as propene, is an unsaturated organic compound with the chemical formula ch3ch=ch2. Propylene, a colourless, flammable, gaseous hydrocarbon, c3h6, obtained from petroleum;