Propylene is an organic compound with the CAS number 115-07-1. It is known as "propene" under IUPAC nomenclature, with the molecular formula C3H6. It is a gas under normal temperature and pressure conditions, possessing a faint, slightly unpleasant odor. It is modeled as a pure substance. Modeling this substance in solution requires users to add their chosen solvent into the model. At the consumer level, propylene is used in the following products: 1. Plastics and resin products, used in manufacturing various packaging materials and everyday items; 2. Textiles, used for producing synthetic fibers such as polypropylene fiber. In industrial settings, this material is used to manufacture products in the following industries: 1. Chemical industry, for producing various chemicals such as acrylic acid and propylene oxide; 2. Construction materials, for manufacturing concrete additives and other construction-related products; 3. Automotive industry, for producing automotive components such as bumpers and interior parts.