1,1-Diethoxydecane (CAS 34764-02-08) — Green Top Note Fragrance Ingredient

ByThe Good Scents
Green · Citrus

1,1-Diethoxydecane

CAS 34764-02-08

Origin
synthetic
Note
Top
IFRA
Generally safe
Data as of: Apr 2026

What Is 1,1-Diethoxydecane?

1,1-Diethoxydecane is a synthetic fragrance molecule used to add fresh, green, and slightly fruity nuances to perfumes. It’s commonly found in modern citrus and aquatic fragrances. This ingredient matters because it provides long-lasting freshness without being overpowering, making it ideal for everyday scents like body sprays and laundry detergents.

Safety Profile

GENERALLY SAFE
Generally safeUse with awarenessProfessional use
✓ Safe in regulated products
✓ No known allergens
CAS
34764-02-08
Formula
Mixture
MW
Variable
Odor Family
Green · Citrus
Layer 1 · Enthusiast

What Does 1,1-Diethoxydecane Smell Like?

1,1-Diethoxydecane opens with a crisp, green freshness reminiscent of freshly cut grass, evolving into a subtle fruity sweetness akin to underripe melon. The dry-down reveals a clean, slightly waxy character that blends seamlessly with other notes, providing a persistent but unobtrusive freshness.

Scent Profile
Layer 2

Chemistry, Properties & Perfumer Guide

The Chemistry

1,1-Diethoxydecane is a synthetic acetal derived from decanal. It belongs to the class of dialkoxy compounds, commonly used in perfumery for their stability and controlled release properties. The molecule features two ethoxy groups attached to a central carbon atom, which contributes to its fresh, green odor profile.

Physical & Chemical Properties

Boiling PointNot available
DensityNot available

Perfumer Guide

Note Position
Top
Volatility
Medium (1-3 hours)
Blending
Good
ApplicationTypical %RangeNotes
Fine Fragrance1-5%Up to 10%Fresh top note
Functional Fragrance0.5-3%Up to 5%Clean, green accent

Classic Accords

Tip: Use in citrus or aquatic compositions to enhance freshness without adding heaviness.

Alternatives & Comparisons

1
1,1-Dimethoxydecane CAS 7779-41-1

Similar profile but with slightly more fruity character.

2
Decanal CAS 112-31-2

Provides stronger aldehydic freshness but less longevity.

Layer 3

Safety, Regulatory & Sustainability

⚠ Regulatory Disclaimer

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

IFRA Status

Not restricted by IFRA.

RIFM Assessment

No specific RIFM assessment found.

Sustainability

As a synthetic molecule, 1,1-Diethoxydecane is produced through controlled chemical processes with minimal environmental impact. Its production does not rely on natural resources, making it a sustainable choice for mass-market fragrances.

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References

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

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