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Black Locust

FLOWERS  /  floral · sweet · fresh
Black Locust
Black Locust perfume ingredient
CategoryFLOWERS
Subcategoryfloral · sweet · fresh
Origin
VolatilityHeart Note
BotanicalRobinia pseudoacacia
AppearanceColorless to pale yellow liquid
Odor StrengthMedium
Producing CountriesUnited States
PyramidHeart

Black Locust is a flowering tree known for its fragrant white blooms, often used in perfumery.

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

Scent

Black Locust has a sweet, honeyed aroma with soft floral notes and a green, slightly woody undertone. It can be compared to the fragrance of cherry blossoms or the light sweetness of orange blossoms, with a light, lingering quality.

Scent Evolution

The opening is bright, with a floral sweetness that gradually deepens. As it develops, the honeyed aspect becomes more pronounced, with wildflowers. This contrast of freshness and warmth gives the composition its character.

Evolution over time

Immediately

Immediately

fresh, sweet floral notes
After a few hours

After a few hours

honeyed and warm undertones
After a few days

After a few days

soft, lingering floral sweetness

Terroir & Origins

Indicative 2025 wholesale prices.

The Full Story

Black Locust, scientifically known as Robinia pseudoacacia, is a deciduous tree native to the southeastern United States, widely planted elsewhere for its ornamental value and hardiness. It bears clusters of fragrant white flowers in late spring, has durable wood, and improves soil quality. In perfumery it contributes a distinct floral note.

Origin and Production

The floral notes from Black Locust are delicate and sweet. The blossoms have a richnectarthat attracts pollinators. Black Locust flowers are aromatic and have traditional uses; their extract is a relatively lesser-known perfumery ingredient.

Chemistry and Scent Profile

in perfumery, Black Locust contributes to heart notes, where it blends with other floral ingredients like jasmine and ylang-ylang Its sweet, slightly green aroma can enrich compositions. Black Locust is used mainly in niche perfumery for its floral character.

Did You Know?

Black Locust trees are known for rapid growth and tolerance of poor soils.

Explore all seven extraits in the Discovery Set.

Did You Know?

Did you know?
Black Locust trees are known for their rapid growth and ability to thrive in poor soils.

Extraction & Chemistry

Extraction method: Solvent extraction (absolute) from flower blossoms

↑ See Terroir & Origins for origin-specific methods.

Molecular FormulaN/A — complex natural mixture (key: linalool, benzyl alcohol)
CAS Number89957-93-7
Botanical NameRobinia pseudoacacia
IFRA StatusNo known restrictions
SynonymsROBINIA · FALSE ACACIA
Physical Properties
Odor StrengthMedium
AppearanceColorless to pale yellow liquid
Flash Point> 200.00 °F. TCC ( > 93.00 °C. )
Specific Gravity0.890 to 0.940 @ 25.00 °C. (absolute)
Refractive Index1.48000 to 1.51000 @ 20.00 °C.

In Perfumery

In perfumery, Black Locust is a heart note, where its sweet floral character can harmonize beautifully with other floral elements such as rose, jasmine, and peony. It can also complement fruity notes, offering a balance between sweetness and freshness. Black Locust is valued for ability to supports a unique signature to a fragrance, making it a favorite among niche perfumers looking to create something unusual.

From the raw to the worn

This is what it becomes.