


Methyl Ionone alpha
WOODY • FLORAL • VIOLET • ORRIS • WOODY
Less than 50% • Not Assessed
CHEMICAL STRUCTURE
1-(2,6,6-Trimethylcyclohex-2-enyl)pent-1-en-3-one
Molecular Formula: C₁₄H₂₂O
SYNONYM
[R-(E)]-1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)pent-1-en-3-one
APPLICATION INFORMATION
Used in many floral fragrances, particularly violet. Blends with and supports woody and leathery notes, also violet, fruit, berry, and nut flavors.
OCCURRENCE IN NATURE
Not found in nature.
STABILITY
Fine Fragrance: Good
Fabric Softener (pH 3): Good
Antiperspirants (pH 3.5): Good
Toiletry Applications (pH 6): Good
Liquid Detergent (pH 9): Good
Soap (pH 10): Good
Powder Detergent (pH 11): Good
Bleach (pH 14): Poor
SUBSTANTIVITY
Skin: Good
Dry Fabric: Good
Wet Fabric: Good
Hair: Good
TENACITY ON BLOTTER
Hours: 00
Days: 00
Weeks: > 1
BLOOM DIFFUSIVITY
Fairly diffusive
TYPICAL USE LEVEL
< 10 %
TECHNICAL DATA
Flash Point (°C): 118 °C
GC Purity: 85 % min as isomers
CAS No.: 127-42-4 (majority product)
FEMA / GRAS No.: 2711
CLogP: 4.78
Appearance: Pale yellow liquid
Molecular Weight: 206.33
Vapor Pressure: 0.87 Pa at 25 °C