Lactojasmone

Aroma chemical · Floral / Fruity

jasmine — heart to base note.

Aroma illustration for Lactojasmone: small white jasmine flowers, for its jasmine note. It illustrates smell associations, not the material or its source.Skeletal formula of Lactojasmone (Dihydrojasmone lactone), C11H20O2, drawn from PubChem's 2D record. Stereochemistry is not shown.
Aroma View: an illustration of what Lactojasmone smells like (jasmine), drawn by RUŌOD Lab — not its appearance or its source.Skeletal formula drawn by RUŌOD Lab from PubChem's 2D record (CID 285097). Stereochemistry is not shown; the coloured background is decoration.
Images

By the RUŌOD Lab TeamRevision 1Updated

In short

Lactojasmone, also called dihydrojasmone lactone, is a gamma-lactone (5-hexyl-5-methyloxolan-2-one). JECFA describes a jasmine odour.

What Lactojasmone smells like

JECFA, as published by PubChem, describes dihydrojasmone lactone as a clear, colourless liquid with a jasmine odour. Fraterworks describes an intensely floral aroma recalling jasmine and tuberose, with a distinctive creamy, lactonic character and subtle fruity undertones of yellow plum and peach.

Leading note
Jasmine
  • jasmine

What makes Lactojasmone distinctive

A lactone whose published description is jasmine.

Concentration and dilution

Fraterworks lists 10% as a common dilution.

How Lactojasmone is used

Fraterworks uses it to enrich white florals and jasmine accords, to add milky sandalwood facets and to make fruit notes more realistic.

Typical role: modifier (used in small amounts to change the character of a blend).

How Lactojasmone differs from similar materials

Jasmine Lactone
Jasmine lactone is creamy, peachy and jasmine; lactojasmone is described simply as jasmine.

Each difference compares the published descriptions of the two materials. Smell varies with grade, supplier and dilution; compare them side by side on blotters before substituting one for another.

Identity and classification

Type
Aroma chemical
Origin
Synthetic
Odour family
Floral / Fruity
Note position
Heart to base note
Physical form at room temperature
Liquid
Also known as
Dihydrojasmone lactone, 5-Hexyl-5-methyloxolan-2-one
CAS number
7011-83-8
Molecular formula
C11H20O2
Molecular weight
184.27 g/mol
IUPAC name
5-hexyl-5-methyloxolan-2-one

The CAS number, formula and molecular weight are taken from PubChem compound 285097, whose own record lists this CAS number; checked 24 October 2026.

Safety and compliance

Hazard classification of the neat substance, as PubChem summarises it, read 26 October 2026. Companies notifying the ECHA C&L Inventory report it as not meeting the GHS hazard criteria (273 of 300 reports). Unless it is harmonised, this is the notifiers' own classification, not a binding one.

This page is general information, not a safety assessment or a specification. Confirm identity, composition, IFRA status and allergen content from your supplier's documents for the lot you hold.

Materials it works with

Used in formulas and accords

Used in 2 published formulas

Lactojasmone is an ingredient in 1 perfume formula and 1 accord in the Formula & Accord Library.

Community formulas

RUŌOD House Originals

Original compositions by RUŌOD House.

Further reading

Questions about Lactojasmone

Is Lactojasmone natural or synthetic?

Lactojasmone is synthetic — it is made by chemical synthesis.

What is the CAS number of Lactojasmone?

7011-83-8. It was checked against PubChem on 24 October 2026.

Which published formulas use Lactojasmone?

Lactojasmone is used in 2 published formulas in the RUŌOD Lab Formula & Accord Library: Jasmine Rice Accord and Magnolia Cartography. Each is listed with a link under "Used in formulas and accords" on this page.

Sources

Your own records, next to the reference

Keep your own record of Lactojasmone — supplier, cost, stock, dilutions and where it is used — in RUŌOD Lab's material library.