Betamyrcene

Betamyrcene, more commonly spelled beta-myrcene, is an acyclic monoterpene hydrocarbon (C10H16). It is one of the most common terpenes found in nature and is a major constituent of many essential oils, including hops oil and cannabis, and is also present in basil, thyme, lemongrass, and other plants.

In plants, beta-myrcene is produced from geranyl pyrophosphate by myrcene synthase. The compound can participate in rearrangements under heat or catalytic conditions, forming related monoterpenes such as ocimene and terpinene. Beta-myrcene is typically a colorless to pale yellow liquid with a distinctive earthy, herbal, and musky aroma, contributing to the fragrance profile of the essential oils in which it occurs.

Uses of beta-myrcene include its role as a fragrance component and flavor addition in perfumery and food applications. It is also valued as an industrial intermediate in the synthesis of other fragrance compounds. Because of its volatility and odor, it is often present in essential oil blends and can influence the overall scent character of a product.

Physical and safety properties: beta-myrcene has the formula C10H16 and a boiling point around 167°C. It is insoluble in water but soluble in many organic solvents. It is flammable and should be stored away from heat sources. In standard flavor and fragrance applications, it is used at low concentrations; concentrated vapors can irritate skin or eyes, and appropriate handling precautions are advised. See also myrcene and terpenes.