Dipentene DHM is the by-product of the production of gum turpentine derivatives.Synthetic dipentene is the by-product of the production of dihydromyrcene. It appears colorless liquid with lemon odor. It is insoluble in water, miscible with ethanol. Dipentene is mainly composed of terpene hydrocarbons, limonene, beta-Phellandrene, myrcene and other terpenes. It is widely used as a cost-effective ingredient for household products.
Limonene is found in citrus essential oil, the contents can be up to 90%. (-)-Limonene is naturally found in Pine needle oil, Turpentine, Cajeput oil and other essential oils. It appears liquid and has orange smell. It is make from Terpenes of orange oils by the method of fractionation.
Limonene has optical isomers, L-Limonene, R-Limonene and a meso isomer, Dipentene.
In the flavoring formulation of personal cares, the contents of Limonene can be up to 30%. Limonene is also mainly used as intermediate for synthesis Bergamot esters, Norone, Cymene, Tonalid and Phantolid.