... ,Delivery On Time. 4,Prompt Shipment. High purity terpineol Terpineol is a naturally occurring monoterpene alcohol that has been isolated ... oil, and petitgrain oil. There are three isomers, alpha-, beta-, and gamma-terpineol, the last two differing only by the ... the double bond. Terpineol is usually a mixture of these isomers with alpha-terpineol as the major constituent.Terpineol has a pleasant ...