alpha-Amylcinnamyl alcohol (CAS 101-85-9) — Floral Middle Note Fragrance Ingredient
alpha-Amylcinnamyl alcohol
CAS 101-85-9
What Is alpha-Amylcinnamyl alcohol?
alpha-Amylcinnamyl alcohol is a synthetic fragrance ingredient used in perfumes and personal care products. It adds floral and balsamic notes to fragrances. This ingredient matters because it helps create long-lasting scents with a warm, slightly powdery character often found in floral bouquets.
Safety Profile
GENERALLY SAFEWhat Does alpha-Amylcinnamyl alcohol Smell Like?
alpha-Amylcinnamyl alcohol offers a delicate floral aroma with hints of lily and balsamic undertones. It evolves from a fresh, slightly green top note to a heart of powdery sweetness, settling into a warm, subtly musky base. The dry-down is reminiscent of vintage perfumes with a comforting, slightly waxy texture.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used to enhance the floral bouquet, adding a powdery warmth that balances the aldehydes and creates a timeless elegance.
Contributes to the oriental base, blending with vanilla and tonka bean for a creamy, slightly animalic depth.
2D Molecular Structure
SMILES: CCCCCC(CO)=CC1=CC=CC=C1
Chemistry, Properties & Perfumer Guide
The Chemistry
alpha-Amylcinnamyl alcohol is a synthetic aromatic alcohol. It is produced through the reduction of alpha-amylcinnamaldehyde. The molecule features a cinnamyl alcohol structure with an amyl side chain, which influences its volatility and olfactive properties.
Physical & Chemical Properties
| Boiling Point | N/A |
|---|---|
| Density | N/A |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-5% | Up to 10% | Adds floral warmth |
| Soaps | 0.5-2% | Up to 5% | Enhances floral notes |
Classic Accords
Tip: Use in floral compositions to add a powdery, vintage character.
Alternatives & Comparisons
Provides a more aldehydic, floral character without the alcohol’s warmth.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
Not restricted by IFRA.
RIFM Assessment
Assessed as safe for use in current applications.
Sustainability
Synthetic production ensures consistent quality and reduces reliance on natural resources. Manufacturing processes should follow green chemistry principles to minimize environmental impact.
Explore alpha-Amylcinnamyl alcohol
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References
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorPhysicochemical Properties
DTXSID: DTXSID2049393
Physical Properties
| Molecular Weight | 204.313 g/mol🔬 EPA CompTox |
| Density | 0.958 g/cm^3🔬 EPA CTX |
| Boiling Point | 306.765 °C📊 OPERA |
| Melting Point | 39.556 °C📊 OPERA |
| Flash Point | 155.653 °C📊 OPERA |
| Refractive Index | 1.547 Dimensionless📊 OPERA |
| Molar Volume | 210.25 cm^3/mol📊 OPERA |
Partition & Solubility
| LogP (Octanol-Water) | 4.079 Log10 unitless📊 OPERA |
| LogD (pH 5.5) | 3.369 Log10 unitless📊 OPERA |
| LogD (pH 7.4) | 4.019 Log10 unitless📊 OPERA |
| LogKoa (Octanol-Air) | 8.89 Log10 unitless📊 OPERA |
| Water Solubility | 0 mol/L📊 OPERA |
| Henry's Law Constant | 0 atm-m3/mole📊 OPERA |
Transport Properties
| Vapor Pressure | 0.001 mmHg📊 OPERA |
| Viscosity | 17.093 cP📊 OPERA |
| Surface Tension | 37.069 dyn/cm📊 OPERA |
Molecular Descriptors
| Topological Polar Surface Area | 20.23 Ų💻 Computed |
| H-Bond Donors | 1 count💻 Computed |
| H-Bond Acceptors | 1 count💻 Computed |
| Rotatable Bonds | 6 count💻 Computed |
| Aromatic Rings | 1 count💻 Computed |
| Molar Refractivity | 66.684 cm^3/mol📊 OPERA |
| Polarizability | 26.436 Å^3📊 OPERA |
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.
