Used in the synthesis of various chemicals such as propionic acid, propionates, and trimethylolethane, which are important in plasticizers and resins. Employed in the production of pharmaceuticals, dyes, and rubber chemicals. Acts as an intermediate in the manufacture of agricultural chemicals, including pesticides and herbicides. Utilized in the fragrance industry for creating aldehyde-based scents in perfumes and flavorings. Also serves as a building block in organic synthesis for creating larger, more complex molecules.