PF
← Ingredient library
← prevnext →

ALPHA-ISO-HEXYL-GAMMA-BUTYROLACTONE

CAS
—
EC
—
Material type
synthetic aroma chemical
Canonical source
arctander
Formulation

Usage guidance

Suggested min
—
Suggested max
—
Cost
—
Stock
—
Compatibility tags
gourmandwhite-floralsuntan-accordtropicalambertuberose
How it behaves

Olfactory profile

Family
domestic
Note tendency
Middle
Descriptors
greenmuskyfatty

A soft, creamy lactone with a rich coconut-milk character and a waxy, slightly fatty facet. Compared to gamma-decalactone it feels more rounded and less fruity, leaning into a smooth dairy-coconut sweetness that persists as a warm, powdery-milky drydown.AI · claude-opus-4-7

Intensity
5 / 10
Tenacity
7 / 10
Volatility
3 / 10
Members

The rest of this material

Composition, IFRA restriction figures, allergen concentrations and where this material is bought are part of Perfume Foundry’s curated library and need an account. Create one or sign in.

chemicals · No. 1649

Arctander monograph

Perfume and Flavor Chemicals, page 682.

fattygreenmuskyanimal
MW
—
BP
247°C
MP
—
Sp.Gr.
0.96
Refractive n
—
Rotation
—
Appearance

Almost colorless oily liquid.

Solubility

Insoluble in water, soluble in alcohol and oils.

Odor

Fatty, green-musky or slightly animal-heavy odor. Overall not as pleasant as the n-Hexyl lactone.

Uses in perfumery

This Iactone has found some use in perfumery as a modifier for Ambre-like notes, a mildly animal fixative, and a soft background odorant in various fragrance types, mostly the non-floral ones.

Production

Produced from iso-Hexylmalonic ester plus Ethylene oxide.

Identity
Aliases · 3
alpha-(3-Methylolpentane)-gamma-butyrolactonealpha-(Diethyl)-ethyl-gamma-butyrolactoneDecalactone
Compliance note. Restriction data is sourced directly from IFRA publications and preserved with its document excerpt. Perfume Foundry is a compliance-support tool — not a substitute for a qualified safety assessor (CPSR / PIF).