Benzylbenzoat

Benzyl benzoate is an organic ester with the chemical formula C14H12O3. It is the benzoate ester of benzyl alcohol and benzoic acid. At room temperature it appears as a colorless to pale yellow oily liquid with a mild, sweet odor and low water solubility. It is used as a fragrance ingredient and solvent in cosmetics and in various pharmaceutical and industrial applications.

Industrial production typically occurs by esterification of benzoic acid with benzyl alcohol in the presence of an acid catalyst, or by transesterification of related benzoate esters. It is prepared on a large scale and is commercially available as a neat liquid or in solution.

Applications include cosmetics and personal care as a scent carrier and fixative; in perfumery, it helps stabilize fragrance blends. It is also used as a solvent for dyes and inks and as a plasticizer in some polymer formulations. Medically, benzyl benzoate is used in topical preparations for scabies and head lice in concentrations that vary by country; formulations are typically designed for dermal application under medical guidance.

Safety and handling: benzyl benzoate has relatively low acute toxicity but can cause skin irritation or allergic contact dermatitis in some individuals. Inhalation of vapors should be minimized, and ingestion should be avoided. It is hydrolyzed in the body to benzyl alcohol and benzoic acid. Regulatory status varies by jurisdiction; it is permitted in many cosmetic and pharmaceutical products with appropriate labeling and concentration restrictions.