fenylethylalkohol

Fenylethylalkohol, also known as phenethyl alcohol or 2-phenylethanol, is an aromatic aliphatic alcohol with the chemical formula C8H10O (molar mass 122.17 g/mol). It is a colorless to pale yellow liquid with a characteristic rose-like odor. It is sparingly soluble in water and miscible with many organic solvents. Its boiling point is about 204–205°C.

Natural occurrence and overview

Phenylethanol occurs naturally in various essential oils, contributing to the characteristic floral notes of some roses, tuberose, jasmine, and other fragrant plants. Due to its pleasant scent, it is widely used in the fragrance and flavor industries.

Applications

The primary use of phenylethanol is as a fragrance ingredient and perfumery base note, where it provides a rose-like aroma. It is also employed as a flavoring agent in small amounts and as an intermediate in the synthesis of other fragrance chemicals, such as esters (for example, phenethyl acetate) and related aroma compounds. Beyond cosmetics and taste, it can serve as a solvent or chemical intermediate in certain pharmaceutical and chemical syntheses.

Production

Industrial production typically involves the synthesis or derivatization of precursors related to its phenyl ethyl structure, followed by hydrogenation or reduction steps to form the corresponding alcohol. Specific manufacturing routes may include catalytic hydrogenation of precursors such as phenylacetaldehyde or related compounds, with process details varying by producer.

Safety and regulation

Phenylethyl alcohol is a flammable liquid and can be an irritant to skin and eyes. It should be handled with appropriate safety precautions to minimize inhalation and contact exposure. In cosmetics and food applications, it is typically used within regulated concentration limits as a fragrance or flavor ingredient, with attention to applicable safety standards and regulatory guidance.