Cyclohexyl Lactone: A Versatile Fruity-Floral Fragrance Ingredient

Galbora
Oct 24
2 min read

Introduction: Cyclohexyl Lactone

Cyclohexyl Lactone (chemical name: Octahydro-2H-chromen-2-one) is a synthetic compound with a fruity, green, sweet, and slightly nutty aroma. It is widely used in perfumery and personal care formulations to add depth, body, and complexity to fruity-floral and powdery fragrance compositions. This compound is not naturally occurring and is typically produced synthetically.

Chemical Structure and Physical Properties

Property	Value
Molecular Formula	C₉H₁₄O₂
Molecular Weight	154.21 g/mol
Flash Point	152 °C
Vapor Pressure (25°C)	1.14 Pa
Optical Rotation	–
Appearance	Clear, colorless liquid
Solubility	Soluble in alcohols and oils, insoluble in water
GC Purity	≥ 98%
CAS Number	4430-31-3
FEMA / GRAS Number	3791
CLogP	1.55

Sensory Properties and Odor

Cyclohexyl Lactone has a fruity, green, sweet, and slightly nutty scent that enhances depth and body in fragrance compositions. It is particularly useful in fruity-floral and powdery notes and blends well with compounds like coumarin to create complex, pleasant aromas.

Applications

Perfumery
- Adds depth and body to fruity-floral and powdery notes
- Used with coumarin to create complex fragrance compositions
Personal Care and Cosmetic Products
- Used in perfumes and personal care products
- Provides a rich, pleasant scent
Household Products
- Used in air fresheners and other scented home products

Stability in Different Formulations

Cyclohexyl Lactone is generally stable in most formulations but is less stable in highly alkaline environments (pH ≈ 14).

Product Type	pH	Stability
Fine Fragrances	3.0	Good
Fabric Softeners	3.0	Good
Deodorants	3.5	Good
Personal Care Products	6.0	Good
Liquid Detergents	9.0	Moderate
Soaps	10.0	Good
Powder Detergents	11.0	Good
Bleaches	14.0	Poor

Typical Use Levels

The typical usage level of Cyclohexyl Lactone in formulations is less than 3%, ensuring an optimal fragrance and product safety.

Conclusion

Cyclohexyl Lactone is a synthetic compound with a fruity, green, sweet, and slightly nutty aroma. Its stability in most formulations and ability to add depth and body to fruity-floral and powdery notes make it a valuable ingredient in perfumery, personal care, and household products. Its compatibility with other fragrance compounds makes it ideal for modern formulation development.

This article was researched and written by Galbora.

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