Chemical Name: Decanal
Other Name: Capraldehyde
Molecular Formula: C₁₀H₂₀O
Molecular Weight: 156.27 g/mol
CAS Number: 112-31-2
Appearance: Colorless to pale yellow liquid
Odor: Waxy, citrusy, sweet, slightly floral
Boiling Point: ~208°C (406°F)
Flash Point: ~87°C (189°F)
Solubility: Slightly soluble in water; soluble in alcohol and oils
Functional Group: Aldehyde (–CHO)
Perfumery Profile
Scent Profile:
- Waxy
- Citrus-like (especially orange peel)
- Slightly sweet and floral
Use in Perfumery:
- Used in small quantities to add radiance, freshness, and lift to citrus, floral, and aldehydic blends
- Often paired with other long-chain aldehydes (like C-11 and C-12) to build classic aldehydic top notes
- Also contributes a soft warmth and creamy depth to middle and base accords
Fragrance Families:
- Aldehydic
- Floral
- Citrus
- Green
Notable Fragrance Use:
- Frequently used in Chanel No. 5 and other aldehydic florals for its luminous, sparkling effect