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Pentane Pentane is a hydrocarbon molecule with five carbon atoms and 12 hydrogen atoms. It is commonly used as a fuel in internal combustion engines, and as a refrigerant. It is also used in the manufacturing of many products including plastics, adhesives, and solvents. Despite its many applications, pentane is highly flammable and precautions must be taken when handling it. 2. Isoprene Isoprene is a five-carbon molecule that is a precursor to natural rubber and many other important organic compounds. It is produced by many plant species and is a building block for the creation of many other important molecules. Isoprene is also used commercially in the manufacturing of synthetic rubber and many other products. 3. Methylpropene Methylpropene is a hydrocarbon molecule with five carbon atoms and one double bond. It is commonly used in the production of solvents, resins, and plastics. It is also used as a fuel and as a refrigerant. Like pentane, methylpropene is highly flammable and proper precautions must be taken when handling it. 4. Cyclopentane Cyclopentane is a cyclic hydrocarbon molecule with five carbon atoms in a ring. It is commonly used as a blowing agent in the manufacturing of foams and plastics. It is also used as a refrigerant and in the production of organic compounds. One of the unique properties of cyclopentane is its high boiling point, which makes it useful in a wide variety of applications. 5. Dimethylbutane Dimethylbutane is a hydrocarbon molecule with five c「分析更多 生肖性格分析文章请关注 :橙子星座常识网,wWw.icHEngZi.Cc」arbon atoms and two methyl groups. It is commonly used as a fuel and as a solvent. Like all hydrocarbons, it is highly flammable and precautions must be taken when handling it. Despite its potential hazards, dimethylbutane has many important commercial and industrial applications.