CAS: 122-78-1
Phenyl acetaldehyde (CAS: 122-78-1) is an organic compound with the chemical formula C8H8O. It is an aldehyde characterized by a strong, characteristic floral (hyacinth-like), green, and honey-like odor. Naturally occurring in some essential oils, it is a colorless to pale yellow liquid. Due to its instability (prone to polymerization and oxidation), it is often sold in diluted forms, such as a 50% solution in diethyl phthalate (DEP) or propylene glycol (PG), to enhance stability and ease of handling.
Phenyl acetaldehyde is primarily used as a fragrance ingredient in the perfumery and cosmetic industries. It also finds application as a minor flavoring agent in the food industry. Additionally, it serves as an intermediate in various organic synthesis processes.
In the fragrance industry, it is widely used in perfumes, soaps, detergents, and cosmetics to impart floral (hyacinth, narcissus), green, and sweet honey notes. In the flavor industry, it is used in very low concentrations in confectionery, baked goods, beverages, and dairy products to contribute sweet, honey, and floral nuances. Its use in chemical synthesis typically involves its role as a precursor for other aromatic compounds.
Phenyl acetaldehyde is classified as an irritant and may cause irritation to the skin, eyes, and respiratory tract. It can be a skin sensitizer for some individuals. It is a combustible liquid and should be handled with care, avoiding open flames and sources of ignition. Store in a cool, dark, and well-ventilated area, away from strong oxidizers and heat, in airtight containers to prevent oxidation and polymerization. Personal protective equipment, including gloves and eye protection, should be worn when handling. Ingesting large quantities can be harmful. The '50% DEP' form refers to a solution in diethyl phthalate, which itself has a distinct safety profile.
PhenylacetaldehydeBenzeneacetaldehydealpha-TolualdehydeHyacinth aldehyde2-PhenylacetaldehydeAcetaldehydephenyl-PAA
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