Evodia rutaecarpa oil (CAS 1137739-11-7) — Spicy Middle Note Fragrance Ingredient

Spicy · Citrus

Evodia rutaecarpa oil

CAS 1137739-11-7

Origin
natural
Note
Middle
IFRA
Use with awareness
Data as of: Apr 2026

What Is Evodia rutaecarpa oil?

Evodia rutaecarpa oil is extracted from the berries of the Evodia tree, native to East Asia. It’s used in traditional medicine and occasionally in niche fragrances for its unique aromatic profile. This oil matters because it contributes a complex, spicy-citrus note that’s difficult to replicate synthetically, offering perfumers an unusual botanical character.

Safety Profile

USE WITH AWARENESS
Generally safeUse with awarenessProfessional use
Limited safety data available
Potential skin sensitizer
CAS
1137739-11-7
Formula
Mixture
MW
Variable
Odor Family
Spicy · Citrus
Layer 1 · Enthusiast

What Does Evodia rutaecarpa oil Smell Like?

Evodia rutaecarpa oil opens with a sharp, peppery citrus burst reminiscent of crushed Sichuan peppercorns mixed with grapefruit zest. As it settles, the heart reveals a warm, woody-spicy character akin to sandalwood dusted with clove powder. The dry-down carries a lingering medicinal bitterness that adds depth, like aged bitter orange peel stored in a cedar box. The overall effect is simultaneously bright and earthy, with a distinctive numbing quality that sets it apart from typical citrus or spice materials.

Scent Profile

In Famous Fragrances

Fragrance associations may not reflect actual formulations.

Spice Must Flow(Etat Libre d’Orange, 2017)

Used for its numbing peppery effect that amplifies the fragrance’s namesake spice accord, creating an almost tactile sensation on the nose when combined with pink pepper and cardamom.

Yunnan(Kilian, 2015)

Provides an authentic Chinese medicinal herb character in this tea-inspired fragrance, blending with osmanthus and pu-erh tea to recreate the aroma of a traditional apothecary.

Layer 2

Chemistry, Properties & Perfumer Guide

The Chemistry

Evodia rutaecarpa oil contains several bioactive alkaloids including evodiamine and rutaecarpine, which contribute to its characteristic numbing sensation. The oil’s complex profile arises from synergistic effects between its monoterpenes (limonene, pinene) and sesquiterpenes (caryophyllene). Traditional steam distillation of the dried berries yields an oil with variable composition depending on harvest time and region, typically containing about 30-50% volatile compounds.

Physical & Chemical Properties

Perfumer Guide

Note Position
Middle
Volatility
Moderate (2-4 hours)
Blending
Challenging
ApplicationTypical %RangeNotes
Fine Fragrance0.1-0.5%Up to 1%Used sparingly as an accent
Aromatherapy1-2%Up to 5%For topical applications

Classic Accords

+ Sichuan Pepper + Grapefruit = Asian Citrus + Sandalwood + Clove = Medicinal Spice

Tip: Balance with sweet materials like vanilla to soften the medicinal edge.

Alternatives & Comparisons

1
Sichuan Pepper CO2 Extract CAS 84775-48-4

Offers similar numbing citrus-spice characteristics but with less bitterness, better suited for mainstream applications.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

General reference only. Consult current IFRA Standards Library before formulating.

IFRA Status

No specific IFRA restrictions. General guidelines for essential oils apply.

GHS Classification

H315 Skin irritation

RIFM Assessment

Limited RIFM assessment available. Caution advised until further studies.

Sustainability

Wild harvesting pressure in native regions raises sustainability concerns. Some cultivations exist but yields are low. Synthetic alternatives could reduce ecological impact but lack the full complexity of natural oil.

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References

    Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.

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