CAS: 141-13-9
(E,E)-Farnesal, also known as Farenal, is a naturally occurring acyclic sesquiterpene aldehyde with the chemical formula C15H24O and a molecular weight of 220.35 g/mol. It is the aldehyde derivative of farnesol and typically appears as a colorless to pale yellow liquid. It is characterized by a distinctive odor, often described as green, fatty, herbaceous, and floral with citrus nuances, and plays significant roles in biological systems.
Farenal serves multiple biological and industrial purposes. Biologically, it is known to function as an insect pheromone or kairomone, influencing the behavior of various insect species, including bees, ants, and fruit flies. Due to its unique aroma profile, it is used as a fragrance ingredient in perfumery and flavor compositions. It also acts as a chemical intermediate in the synthesis of other farnesyl derivatives and various organic compounds, and is used as a research chemical in studies related to insect chemical ecology and terpene biosynthesis.
In practical applications, Farenal can be utilized in pest control strategies, such as developing lures or repellents by mimicking natural insect pheromones. It is incorporated into cosmetic and personal care products, including perfumes, soaps, and lotions, as a scent component. Its use in the food and beverage industry as a minor flavor ingredient, typically at very low concentrations, is also noted. Furthermore, it is employed in biochemical research for assays involving enzyme activities related to isoprenoid metabolism or receptor binding studies.
Generally considered to have low acute toxicity, Farenal may cause irritation upon direct contact with skin and eyes. Inhalation of its vapors might lead to respiratory irritation. It is advisable to handle it with adequate ventilation and to wear appropriate personal protective equipment, such as gloves and eye protection, to avoid direct exposure. Storage should be in a cool, dry place, away from light and heat, in tightly sealed containers, as it can be susceptible to oxidation over time.
(EE)-FarnesalFarnesaltranstrans-Farnesal(2E6E)-3711-Trimethyldodeca-2610-trienal(EE)-3711-Trimethyldodeca-2610-trienalFarenal3711-Trimethyldodeca-2610-trienal(EE)-2610-Dodecatrienal3711-trimethyl-(EE)-