2-Hexadecen-1-ol, 3,7,11,15-tetramethyl- (CAS 7541-49-3) — Floral Middle Note Fragrance Ingredient
2-Hexadecen-1-ol, 3,7,11,15-tetramethyl-
CAS 7541-49-3
What Is 2-Hexadecen-1-ol, 3,7,11,15-tetramethyl-?
2-Hexadecen-1-ol, 3,7,11,15-tetramethyl- is a synthetic fragrance ingredient primarily used in perfumery. It is encountered in fine fragrances and personal care products. This compound contributes to creating unique scent profiles, often adding depth and complexity to formulations.
Safety Profile
USE WITH AWARENESSWhat Does 2-Hexadecen-1-ol, 3,7,11,15-tetramethyl- Smell Like?
This synthetic alcohol offers a subtle, waxy odor with faint floral undertones. It evolves slowly on the skin, starting with a clean, slightly green top note that transitions into a soft, musky heart. The dry-down reveals a delicate, almost powdery finish, making it useful for adding nuance to floral and woody compositions.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
2D Molecular Structure
SMILES: CC(C)CCCC(C)CCCC(C)CCCC(C)=CCO
Chemistry, Properties & Perfumer Guide
The Chemistry
2-Hexadecen-1-ol, 3,7,11,15-tetramethyl- is a branched-chain unsaturated alcohol. As a synthetic molecule, it is typically produced through controlled organic synthesis routes, often involving the reduction of corresponding aldehydes or ketones. Its structure suggests potential chirality, though specific stereochemical properties are not well-documented in fragrance literature.
Physical & Chemical Properties
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 1-3% | Up to 5% | Used as a modifier |
Classic Accords
Tip: Use sparingly to add subtle complexity without dominating the composition.
Alternatives & Comparisons
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No specific IFRA restrictions currently apply to this material.
RIFM Assessment
No RIFM assessment currently available for this material.
Sustainability
As a synthetic material, this compound offers consistent quality and avoids natural resource depletion. However, its environmental impact depends on the specific synthesis route and energy inputs required for production.
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Physicochemical Properties
DTXSID: DTXSID40859291
Physical Properties
| Molecular Weight | 296.539 g/mol🔬 EPA CompTox |
| Density | 0.798 g/cm^3📊 OPERA |
| Boiling Point | 352.757 °C📊 OPERA |
| Melting Point | 4.809 °C📊 OPERA |
| Flash Point | 161.782 °C📊 OPERA |
Partition & Solubility
| LogP (Octanol-Water) | 6.364 dimensionless💻 Computed |
| Water Solubility | 0 mol/L📊 OPERA |
Transport Properties
| Vapor Pressure | 0 mmHg📊 OPERA |
| Viscosity | 27.103 cP📊 OPERA |
| Surface Tension | 27.525 dyn/cm📊 OPERA |
| Thermal Conductivity | 142.731 mW/(m*K)📊 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 | 13 count💻 Computed |
| Aromatic Rings | 0 count💻 Computed |
| Molar Refractivity | 95.56 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.
