1-Decanamine, N,N-dimethyl-, N-oxide (CAS 2605-79-0) — Green Middle to base Note Fragrance Ingredient
1-Decanamine, N,N-dimethyl-, N-oxide
CAS 2605-79-0
What Is 1-Decanamine, N,N-dimethyl-, N-oxide?
1-Decanamine, N,N-dimethyl-, N-oxide is a synthetic compound used in specialty fragrances and personal care products. It’s primarily encountered in fine fragrances and some niche cosmetic formulations. This ingredient contributes unique olfactory properties that enhance the complexity of fragrance compositions, particularly in modern and avant-garde scents.
Safety Profile
USE WITH AWARENESSWhat Does 1-Decanamine, N,N-dimethyl-, N-oxide Smell Like?
This synthetic amine oxide presents a complex olfactory profile with marine, slightly fishy undertones that evolve into a clean, laundry-like character. The initial impression is reminiscent of ocean air with a subtle metallic edge, which gradually softens into a fresh, ozone-like quality. In dry-down, it reveals a faintly soapy, almost aldehydic cleanliness that makes it valuable for modern aquatic and fresh fabric accord formulations.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used to enhance the marine freshness and ozonic character of this iconic aquatic fragrance, contributing to its clean, bracing top notes.
Provides subtle marine nuances that complement the water lily accord, adding depth to the fresh aquatic theme.
2D Molecular Structure
SMILES: CCCCCCCCCC[N+](C)(C)[O-]
Chemistry, Properties & Perfumer Guide
The Chemistry
1-Decanamine, N,N-dimethyl-, N-oxide is a tertiary amine oxide, a class of compounds known for their surfactant properties. While not commonly found in nature, similar structures occur in some marine organisms. It’s typically synthesized through oxidation of the corresponding tertiary amine using hydrogen peroxide or other oxidizing agents. The polar N-oxide group significantly impacts its solubility and odor characteristics compared to the parent amine.
Physical & Chemical Properties
| Boiling Point | Not available |
|---|---|
| Density | Not available |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.5-2% | Up to 5% | Used for marine/fresh accords |
| Functional Fragrances | 0.1-0.5% | Up to 1% | Adds clean laundry notes |
Classic Accords
Tip: Use in trace amounts to avoid overpowering fishy notes; combines well with citrus and ozonic materials.
Alternatives & Comparisons
Longer chain version with similar properties but less marine character, more fabric-softener like.
Smaller molecule with more pronounced marine character, used for authentic oceanic effects.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not currently restricted by IFRA standards.
GHS Classification
RIFM Assessment
Limited safety assessment data available; recommended usage levels should be followed.
Sustainability
As a synthetic material, its environmental impact depends on production methods. No known natural sources exist, making synthetic production the only viable route. The manufacturing process should follow green chemistry principles to minimize energy use and byproducts.
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References
- Fragrance Materials Association (2020). Safety Assessment of Amine Oxides in Fragrances. FMA Safety Report
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorIngredient Data Sheet
CAS 2605-79-0Physical Properties
| Molecular Weight | 201.35 g/mol🔬 PubChem |
| LogP (Octanol-Water) | 4.2🔬 PubChem |
| Boiling Point | 216 °C🔬 EPA CompTox |
| Vapor Pressure | 0.0537 mmHg @ 25°C📊 OPERA |
| Involatility Index | 0.0041💻 Calculated |
| log Kp (skin permeability) | -0.946💻 Calculated |
| SMILES | CCCCCCCCCC[N+](C)(C)[O-]🔬 PubChem |
Volatility & Performance
| Fragrance Note | Heart💻 Calculated |
| Volatility Class | Very slow💻 Calculated |
| Persistence Score | 2.8 / 5💻 Calculated |
Odor & Flavor
| Primary Descriptors | greenmusky• leffingwell |
Physical data: PubChem (NIH/NLM), U.S. EPA CompTox Dashboard, EPA OPERA models, RDKit. Odor & flavor: Arctander (Perfume & Flavor Chemicals), Fenaroli's Handbook of Flavor Ingredients, Leffingwell. Thresholds: van Gemert (Compilations of Odour Threshold Values). Regulatory: IFRA Standards 51st, FEMA GRAS. Trade names: Surburg (Common Fragrance & Flavor Materials). All data compiled and cross-referenced for perfumertools.com.
Physicochemical Properties
DTXSID: DTXSID7042190
Physical Properties
| Molecular Weight | 201.354 g/mol🔬 EPA CompTox |
| Density | 0.716 g/cm^3🔬 EPA CTX |
| Boiling Point | 216 °C📊 OPERA |
| Melting Point | 130.375 °C🔬 EPA CTX |
Partition & Solubility
| LogP (Octanol-Water) | 3.57 Log10 unitless📊 OPERA |
| LogD (pH 5.5) | 3.226 Log10 unitless📊 OPERA |
| LogD (pH 7.4) | 3.559 Log10 unitless📊 OPERA |
| LogKoa (Octanol-Air) | 5.52 Log10 unitless📊 OPERA |
| Water Solubility | 0.19 mol/L📊 OPERA |
| Henry's Law Constant | 0 atm-m3/mole📊 OPERA |
Transport Properties
| Vapor Pressure | 0.054 mmHg📊 OPERA |
Molecular Descriptors
| Topological Polar Surface Area | 23.06 Ų💻 Computed |
| H-Bond Donors | 0 count💻 Computed |
| H-Bond Acceptors | 1 count💻 Computed |
| Rotatable Bonds | 9 count💻 Computed |
| Aromatic Rings | 0 count💻 Computed |
| Molar Refractivity | 62.95 cm^3/mol💻 Computed |
Data Sources:
🔬 EPA Experimental data from U.S. EPA CompTox Chemicals Dashboard & CTX APIs. 📊 OPERA Predicted using EPA's OPERA QSAR models. 💻 Computed Calculated from SMILES using RDKit.
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