Find terpinene among Spectrum's chemical selection. Also known as 1-Isopropyl-4-methyl-1,3-cyclohexadiene or p-Mentha-1,3-diene, it is part of a group of isomeric hydrocarbons which is classified as monoterpenes. Terpinene comes in various grades, forms and quantities, like most of the chemicals provided by Spectrum. We are also committed to the highest standards of quality when it comes to customer service, fast shipping, and meeting our customers' needs.