Isoeugenyl benzyl ether (CAS 0120-11-6) — Spicy Middle to Base Note Fragrance Ingredient

ByThe Good Scents
Spicy · Floral

Isoeugenyl benzyl ether

CAS 0120-11-6

Origin
synthetic
Note
Middle to Base
IFRA
Generally safe
Data as of: Apr 2026

What Is Isoeugenyl benzyl ether?

Isoeugenyl benzyl ether is a synthetic fragrance ingredient used to add warm, spicy, and floral notes to perfumes and scented products. You’ll encounter it in fine fragrances, soaps, and candles. This ingredient matters because it provides long-lasting balsamic and clove-like nuances that enhance floral compositions, making scents feel richer and more complex.

Safety Profile

GENERALLY SAFE
Generally safeUse with awarenessProfessional use
✓ Safe in regulated products
⚠ Check for individual sensitivities
CAS
0120-11-6
Formula
Mixture
MW
Variable
Odor Family
Spicy · Floral
Layer 1 · Enthusiast

What Does Isoeugenyl benzyl ether Smell Like?

Isoeugenyl benzyl ether opens with a warm, spicy clove-like aroma, reminiscent of carnations and autumn spices. The heart reveals a sweet, balsamic depth with subtle floral undertones. Over time, it dries down to a soft, powdery vanilla-like base, adding a comforting and slightly woody finish to fragrances. Its evolution is smooth, transitioning from spicy brightness to a cozy, enveloping warmth.

Scent Profile

In Famous Fragrances

Fragrance associations may not reflect actual formulations.

Opium(Yves Saint Laurent, 1977)

Used for its spicy-balsamic character, enhancing the oriental accord and adding depth to the floral heart.

Cinnabar(Estée Lauder, 1978)

Provides a warm, clove-like nuance that complements the cinnamon and patchouli base.

Layer 2

Chemistry, Properties & Perfumer Guide

The Chemistry

Isoeugenyl benzyl ether is a synthetic aromatic ether derived from isoeugenol. It belongs to the phenylpropanoid class of compounds, known for their spicy and balsamic properties. The synthesis typically involves the benzylation of isoeugenol under basic conditions. Its molecular structure features a benzyl group attached to the phenolic oxygen of isoeugenol, contributing to its stability and long-lasting aroma.

Physical & Chemical Properties

Boiling PointNot available
DensityNot available

Perfumer Guide

Note Position
Middle to Base
Volatility
Moderate (hours)
Blending
Good
ApplicationTypical %RangeNotes
Fine Fragrance1-5%Up to 10%Adds warmth and complexity
Soaps0.5-2%Up to 5%Enhances floral and spicy accords

Classic Accords

Tip: Use in oriental and floral compositions to add a warm, balsamic depth.

Alternatives & Comparisons

1
Isoeugenol CAS 97-54-1

A more direct spicy note, but less stable and more volatile.

2
Benzyl salicylate CAS 118-58-1

Offers a softer, powdery floral note without the spice.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

No current IFRA restrictions.

EU Allergen Declaration

Not listed as an EU allergen.

RIFM Assessment

RIFM assessment confirms safe use at current levels.

Sustainability

Synthesized from petrochemical precursors, its environmental impact depends on production practices. Efforts to source renewable isoeugenol could improve sustainability.

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References

  1. PubChem Compound Summary for Isoeugenyl benzyl ether PubChem
  2. Arctander, S. (1969). Perfume and Flavor Chemicals.

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

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