Aromavault

Identifiers

Manufacturer

—

CAS number

431-03-8

CAS (all sources)

431-03-8

CAS (Perfumiarz)

—

CAS (PerfumersWorld)

431-03-8

CAS (FraterWork)

431-03-8

CAS (EU Hekserij)

—

CAS (TSCA Hekserij)

—

INCI name (FraterWork)

—

IUPAC name (FraterWork)

Butane-2,3-dione

INCI (Hekserij)

—

EC number (Hekserij)

—

FEMA (Hekserij)

—

UN number

—

Synonyms (PerfumersWorld)

Diacetyl : 2,3-Butanedione Dimethyl glyoxal : 2,3-Di ketobutane : Diacetyl: 2,3-Butane dione : Biacetyl :

Synonyms (FraterWork)

—

Scent profile

Note type (FraterWork)

Heart Note

Odour family (FraterWork)

Gourmand

Odour profile (FraterWork)

Diacetyl delivers an intensely buttery, sweet character with rich caramel warmth, creamy dairy richness, and a pungent, penetrating quality that dominates compositions even at low levels.

Longevity (FraterWork)

Lasts 44 hours on a smelling strip.

Odor life hours (PerfumersWorld)

0.8

Relative odor impact (PerfumersWorld)

3000

Appearance (FraterWork)

Yellow liquid

Descriptions

Description

Diacetyl is strong butter sweet creamy pungent caramel buttery fatty-oilyvanilla cream - very powerful diffusive top-note-modifier jasmine cypresslavender citronella champaca for-diffusion orris/iris fir-conifer.BEST USED IN 1% DILUTION OR LESS!100% not recommended for clients unfamiliar with this material. Can cause lungdamage ("Popcorn Lung") if heated in poorly ventilated areas.

Description (PerfumersWorld)

Diacetyl is strong butter sweet creamy pungent caramel buttery fatty-oilyvanilla cream - very powerful diffusive top-note-modifier jasmine cypresslavender citronella champaca for-diffusion orris/iris fir-conifer.BEST USED IN 1% DILUTION OR LESS!100% not recommended for clients unfamiliar with this material. Can cause lungdamage ("Popcorn Lung") if heated in poorly ventilated areas.

Comment (FraterWork)

Diacetyl opens with unmistakable buttery sweetness—the smell of melted butter meeting warm caramel. Its pungent intensity commands attention even in minute concentrations, bringing creamy dairy richness that reads as natural rather than synthetic. The profile combines pastry-like warmth with fruity undertones and a penetrating sweetness that lingers. This diketone appears sparingly in perfumery but proves invaluable where buttery or caramellic effects are needed. Work it into vanilla compositions to add creamy depth and prevent flat sweetness, or use traces in fruity accords where it enhances strawberry and tropical notes. It strengthens gourmand fragrances with pastry realism and brings unexpected richness to coffee and chocolate reconstructions. Handle Diacetyl with extreme restraint and do not sniff it directly—its exceptional strength means overdosing turns compositions cloying and one-dimensional. Pair it with vanillin and tonka for butterscotch effects, or combine with honey and beeswax absolutes for natural sweetness. Layer it beneath fruity lactones in peach and apricot accords or work it into oriental bases where its warmth amplifies amber and benzoin. aromachem Best Seller

Notes

Diacetyl opens with unmistakable buttery sweetness—the smell of melted butter meeting warm caramel. Its pungent intensity commands attention even in minute concentrations, bringing creamy dairy richness that reads as natural rather than synthetic. The profile combines pastry-like warmth with fruity undertones and a penetrating sweetness that lingers. This diketone appears sparingly in perfumery but proves invaluable where buttery or caramellic effects are needed. Work it into vanilla compositions to add creamy depth and prevent flat sweetness, or use traces in fruity accords where it enhances strawberry and tropical notes. It strengthens gourmand fragrances with pastry realism and brings unexpected richness to coffee and chocolate reconstructions. Handle Diacetyl with extreme restraint and do not sniff it directly—its exceptional strength means overdosing turns compositions cloying and one-dimensional. Pair it with vanillin and tonka for butterscotch effects, or combine with honey and beeswax absolutes for natural sweetness. Layer it beneath fruity lactones in peach and apricot accords or work it into oriental bases where its warmth amplifies amber and benzoin. aromachem Best Seller

Usage

Perfume uses (PerfumersWorld)

Top-note-modifier Jasmin Cypress Lavender Citronella ChampacaFor-diffusion, Lavender, Orris/Iris, Fir-Conifer,Milk, Butter, Cream Strawberry, Cheese, Coconut, Chocolate, Vanilla, Durian,Mango Butter, Meat, Berry, Butterscotch, Caramel, Coffee, Cherry, Tobacco, Rum,Wine, Nut, Almond, Spice, Ginger, Soda, Vinegar, Vanilla, Milk, Baked-foods,Occurs-in Butter Blends-well-with flavor type perfumes and as a trace in exoticflorals. * Relative Odor Impact 3000 * Odor Life on a smelling strip 0.8 hrs

Average use (FraterWork)

0.51% in a perfume compound

Uses (FraterWork)

Creates authentic butter notes in gourmand fragrances, enhances vanilla and caramel accords, adds creamy richness to fruity compositions. IUPAC Name: Butane-2,3-dione

IFRA 51 (FraterWork)

No restriction for category 4

Links

PerfumersWorldhttps://www.perfumersworld.com/view.php?pro_id=9DV00144

FraterWorkhttps://fraterworks.com/products/diacetyl

Diacetyl

Comments