All Terpenes

D-Limonene

D-limonene is the terpene of citrus peel, a monoterpene distilled from orange and lemon rinds with a bright, sweet citrus aroma. It is the second most widespread terpene in nature and the backbone of nearly every citrus flavor profile we blend.

Citrus Sweet Fruity

Also known as r-limonene, orange peel oil, citrene, or simply just limonene, d-limonene (the more common isomer to l-limonene) conveys an aroma that is “like lemon, making it widely used as a flavor and fragrance additive in common foods, such as fruit juices, candies, chewing gums, soft drinks, and ice creams.”

A recent study noted that d-limonene is one of the most common fragrances used in the formulation of cosmetics and can be found in many types of beauty products.

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D-Limonene
Chemical Structure
At a glance
woodysweetherbalterpeniccitrusfresh
CAS number
5989-27-5
Formula
C10H16
Molecular weight
136.23 g/mol
Boiling point
176 °C
Flash point
50 °C
FEMA number
2633
PubChem
CID 440917

page is specifically the d-isomer; racemic limonene (dipentene) is 138-86-3

Common questions

What does d-limonene smell like?

Fresh-cut orange peel: bright, sweet, and clean citrus.

What does the D in d-limonene mean?

It marks the right-handed form of the molecule, the one citrus fruit makes. Its mirror image, l-limonene, smells more like pine and turpentine.

Related terpenes

Citral · fruity, floral, green Terpinolene · woody, sweet, citrus
Smell it at the source

This terpene occurs naturally in these botanical oils, available from our sister store, The Essential Oil Company.

Sweet Orange essential oil Sweet Orange Lemon essential oil Lemon Pink Grapefruit essential oil Pink Grapefruit
References: PubChem CID 440917 · FEMA flavor ingredient #2633

Products with D-Limonene listed as a primary terpene:

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