PF
← Ingredient library
← prevnext →

DIHYDRO-ALPHA-IONONE

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

Dihydro-alpha-ionone is a synthetic aroma chemical known for its floral and woody characteristics, often described as having a violet-like scent. It is commonly used in perfumery to impart a soft, sweet, and slightly powdery note, making it a popular choice in floral and fruity compositions. This ingredient can be found in a variety of fragrance types, including perfumes, personal care products, and household fragrances. In formulations, it typically serves as a middle or base note, contributing to the overall depth and complexity of the scent. Dihydro-alpha-ionone is generally considered to be safe for use in cosmetics and fragrances, but like many synthetic compounds, it may be subject to regulatory scrutiny. It is important for formulators to be aware of any potential restrictions or guidelines set forth by organizations such as IFRA, as well as to monitor for any allergenic potential in sensitive individuals. Overall, Dihydro-alpha-ionone is valued for its versatility and ability to enhance the olfactory profile of various fragrance formulations. — AI-generated summary, 2026-09-02.

Formulation

Usage guidance

Suggested min
—
Suggested max
—
Cost
£3360/kg
Stock
—
Compatibility tags
violetfloralwoodyorrispowderyfruity-floral
How it behaves

Olfactory profile

Family
domestic
Note tendency
Middle
Descriptors
woodyoily

A soft, warm floral-woody aroma reminiscent of violet and orris with a gentle fruity nuance. Less sharp and more rounded than alpha-ionone, with a mellow woody drydown that feels powdery and slightly ambery.AI · claude-opus-4-7

Intensity
6 / 10
Tenacity
7 / 10
Volatility
4 / 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. 948

Arctander monograph

Perfume and Flavor Chemicals, page 388.

oilywoodygassy
MW
194.32
BP
234°C
MP
—
Sp.Gr.
0.92
Refractive n
—
Rotation
—
Appearance

Colorless to pale yellowish oily liquid.

Solubility

Almost insoluble in water, soluble in alcohol and oils.

Odor

Rather thin oily-woody odor, somewhat gassy and weaker than alpha-ionone with respect to violet-note.

Uses in perfumery

Of very little interest to the perfumer.

Production

Produced by partial hydrogenation of alpha-ionone.

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).