HomeGlossary › Delta-Decalactone

Delta-Decalactone

FRUITS, VEGETABLES AND NUTS  /  fruity · coconut · creamy
Delta-Decalactone
Delta-Decalactone perfume ingredient
CategoryFRUITS, VEGETABLES AND NUTS
Subcategoryfruity · coconut · creamy
Origin
VolatilityHeart Note
BotanicalN/A — synthetic / nature-identical lactone
Appearancecolorless clear liquid
Odor Strengthmedium
Producing CountriesChina, United States, Germany, France
PyramidHeart

Creamy, buttery, coconut-milky. Delta-decalactone (CAS 705-86-2) has a richer, more dairy-like character than gamma-decalactone: cream, butter, and coconut milk.

  1. Scent
  2. The Full Story
  3. Fun Fact
  4. Extraction & Chemistry
  5. In Perfumery

Scent

Rich, buttery, creamy-milky. More dairy than gamma-decalactone. Like warm cream with coconut touch. A milky richness that reads as comfort.

Evolution over time

Immediately

Immediately

Rich buttery-creamy burst
After a few hours

After a few hours

Warm dairy-cream body
After a few days

After a few days

Persistent creamy-milky base

The Full Story

Delta-decalactone (CAS 705-86-2) is a ten-carbon delta-lactone. More dairy, more coconut, more buttery than its gamma isomer (which is peachier). Found in dairy, peach, coconut.

Key contributor to butter, cream, and tropical fruit flavors.

Warm, milky richness: comforting and intimate.

Explore all seven extraits in the Discovery Set.

Related: Banana · Coconut · Coconut Water · Delta Undecalactone · Ethyl Butyrate · Guava · Mango · Papaya

Did You Know?

Did you know?
The delta and gamma isomers of decalactone differ only in ring size (5 vs 6), yet this shifts the scent from peachy (gamma) to buttery (delta). One carbon's position determines whether you smell fruit or dairy.

Extraction & Chemistry

Extraction method: Found naturally in dairy and fruits. Also produced synthetically.

Molecular FormulaC10H18O2
CAS Number705-86-2
Botanical NameN/A — synthetic / nature-identical lactone
IFRA StatusNo known restrictions
SynonymsCOCONUT LACTONE · DECALACTONE
Physical Properties
Odor Strengthmedium
Lasting Power336 hour(s) at 100.00 %
Appearancecolorless clear liquid
Boiling Point117.00 to 120.00 °C. @ 0.02 mm Hg
Flash Point> 230.00 °F. TCC ( > 110.00 °C. )
Specific Gravity0.95800 to 0.97600 @ 25.00 °C.
Refractive Index1.45600 to 1.45900 @ 20.00 °C.
Melting Point-27.00 °C. @ 760.00 mm Hg

In Perfumery

Heart-to-base creamy modifier. CAS 705-86-2. More dairy-milky than gamma-decalactone. Provides buttery, coconut-cream richness. Suited to gourmand, coconut, and skin-scent compositions.

From the raw to the worn

This is what it becomes.