trans-2-Decenal

A colorless liquid with a refreshing citrus and faintly fatty odor, known for its contribution to orange peel's fresh scent.

Imparts citrus, orange-like notes in perfumes.

IUPAC Name: (E)-dec-2-enal
CAS Number: 3913-81-3
Molecular Formula: C₁₀H₁₈O
Molecular Weight: 154.25 g/mol
Boiling Point: 78.00 to 80.00 °C @ 3.00 mm Hg
Melting Point: -8.92 °C (16.1 °F)
Class: Aldehyde
Use/s: Scent
Synonyms
1: trans-2-Decenal 2: (E)-Dec-2-enal 3: decenal 4: 2-DECENAL 5: (E)-2-Decenal 6: 3-Heptylacrolein 7: Decenaldehyde 8: 2-Decen-1-al
Chemist Says
Colorless or pale yellow liquid; [Alfa Aesar MSDS]
Scent: Waxy, Orange
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: Citrus, Fresh
2: Citrus, Orange Peel, Fatty
3: Fatty Diffusive, Orange, Floral Top Notes
4: Fatty, waxy, with a green and citrusy character