Alpha-Humulene, also known as α-humulene, is a natural sesquiterpene that gives hop plants their characteristic aroma. It is noted for its earthy, woody, and spicy scent profile, contributing to the complexity of various essential oils.
In perfumery, it is used to add depth and a natural earthiness to fragrances, often in woody or spicy scents.
IUPAC Name: (1E,4E,8E)-2,6,6,9-tetramethylcycloundeca-1,4,8-trieneCAS Number: 6753-98-6
Molecular Formula: C15H24
Molecular Weight: 204.35 g/mol
Boiling Point: 99.00 to 100.00 °C @ 3.00 mm Hg
Melting Point: < 25 °C
Class: Sesquiterpene
Use/s: Scent
Synonyms
1: Humulene 2: alpha-Humulene 3: ALPHA-CARYOPHYLLENE 4: 3,7,10-Humulatriene 5: .alpha.-Caryophyllene 6: a-humulene 7: alpha -humulene 8: .alpha.-Humulene
Chemist Says
Solid
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: Earthy, Woody, Spicy
2: Woody, Earthy, Spicy
3: Woody, earthy, with a hoppy and slightly spicy nuance
Irritant
Health Hazard