A volatile compound with a sharp, fruity, and pungent aroma. Acetaldehyde plays a significant role in the formation of complex aromas in alcoholic beverages and is also used in perfumery to add freshness or fruitiness to fragrances.
Used in perfumes to impart a fresh, fruity note. It can evoke the sensation of green apples or fresh-cut grass.
IUPAC Name: acetaldehydeCAS Number: 75-07-0
Molecular Formula: C2H4O
Molecular Weight: 44.05 g/mol
Boiling Point: 20.8 °C @ 760 mmHg
Melting Point: -123.4 °C (-190.3 °F)
Class: Aldehyde
Use/s: Scent
Synonyms
1: acetaldehyde 2: ethanal 3: acetic aldehyde 4: ethyl aldehyde 5: Acetaldehyd 6: Acetylaldehyde 7: aldehyde 8: Aldeide acetica 9: Octowy aldehyd
Chemist Says
Acetaldehyde appears as a clear colorless liquid with a pungent choking odor. Flash point -36 °F. Boiling point 69 °F. Density 6.5 lb / gal. Vapors are heaver than air and irritate the mucous membranes and especially the eyes. Used to make other chemicals.
Scent: Pungent, Fruity
Scent profile
Scent profiles are inherently subjective and can significantly differ among individuals, and may also be influenced by the conditions at the time of evaluation. The information provided here is a synthesis of data from diverse sources, including books, cross-references, artificial intelligence analyses, and chemical research sites, aiming to present a comprehensive overview. We've distilled this information to highlight the most frequently observed scent profiles for each molecule or compound, offering a generalized perspective.
1: Sharp, Fruity, Fresh
2: Sharp, Fresh, Fruity
3: Pungent, fruity odor
4: Sharp, pungent, with a fruity and slightly green nuance
Flammable
Irritant
Health Hazard