Hexyl tiglate (CAS 16930-96-4) — Green Top to Middle Note Fragrance Ingredient
Hexyl tiglate
CAS 16930-96-4
What Is Hexyl tiglate?
Hexyl tiglate is a synthetic fragrance ingredient that adds a fruity, green character to perfumes and personal care products. It’s often used in fine fragrances, body care items, and air fresheners. This ester contributes a fresh, slightly unripe fruit note that evolves into a more floral, leafy character over time. Perfumers value hexyl tiglate for its ability to bridge fruity and green accords, creating naturalistic impressions of just-picked fruits or dewy vegetation in modern fragrance compositions.
Safety Profile
GENERALLY SAFEWhat Does Hexyl tiglate Smell Like?
Hexyl tiglate bursts with the crispness of freshly snapped green stems and the tartness of underripe strawberries. The opening suggests crushed blackcurrant leaves and the white pith of citrus fruits, with a subtle tropical nuance reminiscent of unripe mango skin. As it develops, the scent softens into a floral-green character like magnolia blossoms touched by morning dew, with a faintly bitter edge that prevents cloying sweetness. The dry-down reveals a clean, slightly waxy texture similar to the after-scent of rubbing a geranium leaf between fingers, leaving a refined green trail that blends seamlessly with woody bases.
In Famous Fragrances
Fragrance associations may not reflect actual formulations.
Used here to amplify the naturalistic ‘just-plucked’ tea leaf impression, hexyl tiglate adds dimension to the citrus top notes while preventing the floral heart from becoming too sweet.
Jean-Claude Ellena employs hexyl tiglate to create the illusion of rain-drenched vegetation, where its green fruit facets complement the ginger and cardamom spice accord.
This aquatic classic uses hexyl tiglate sparingly to bridge the melon and lotus notes, contributing to the fragrance’s signature dewy freshness without overt fruitiness.
The perfumers leveraged hexyl tiglate’s green character to ground the bright citrus opening, creating the illusion of apple skins still clinging to their tartness.
Here hexyl tiglate works in concert with pink pepper to produce a crisp, almost salty green effect that prevents the floral heart from becoming too powdery.
2D Molecular Structure
SMILES: CCCCCCOC(=O)C(\C)=C\C
Chemistry, Properties & Perfumer Guide
The Chemistry
Hexyl tiglate is an ester formed from tiglic acid and hexanol, belonging to the class of aliphatic esters that frequently contribute green and fruity notes in perfumery. The molecule features a trans-configured double bond in the tiglate moiety, which is crucial for its characteristic odor profile. Industrial synthesis typically involves acid-catalyzed esterification under controlled conditions to prevent isomerization. Unlike some fruit esters that require chiral synthesis, hexyl tiglate’s odor impact comes primarily from its geometric isomerism rather than optical activity, making it relatively straightforward to produce at scale with consistent quality.
Physical & Chemical Properties
| Boiling Point | Data not available |
|---|---|
| Density | Data not available |
Perfumer Guide
| Application | Typical % | Range | Notes |
|---|---|---|---|
| Fine Fragrance | 0.5-2% | Up to 5% | Green modifier for fruity-floral compositions |
| Body Care | 0.1-0.5% | Up to 1% | Adds freshness to shower gels and lotions |
| Functional Products | 0.05-0.2% | Up to 0.5% | Used in detergents for clean green effects |
| Air Care | 0.3-1% | Up to 2% | Contributes to outdoor fresh and linen accords |
Classic Accords
Tip: Use hexyl tiglate to ‘green up’ fruity bases without adding excessive sweetness or compromising tenacity.
Alternatives & Comparisons
When a simpler, more straightforward fruity note is needed without the green complexity of hexyl tiglate.
For a more intense leafy-green character with greater diffusion power in top notes.
When a sharper, more pungent green effect is desired, especially in masculine fougères.
Safety, Regulatory & Sustainability
⚠ Regulatory Disclaimer
General reference only. Consult current IFRA Standards Library before formulating.
IFRA Status
No current IFRA restrictions. Listed as safe for use in all categories at standard concentrations.
RIFM Assessment
RIFM assessment confirms safe use at current industry levels with no significant sensitization potential.
Sustainability
As a synthetic material, hexyl tiglate production avoids agricultural land use but requires petrochemical feedstocks. Modern manufacturing processes typically achieve high atom economy with minimal waste. The material’s potency means relatively small quantities are needed in formulations, reducing overall environmental load compared to some natural alternatives requiring large-scale cultivation.
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References
- Bauer, K. et al. (2001). Common Fragrance and Flavor Materials. Wiley-VCH. ISBN 978-3-527-30364-6
Data: PubChem (NIH), PubMed, RIFM, IFRA. Last reviewed: Apr 2026.
Report a data errorPhysicochemical Properties
DTXSID: DTXSID5051783
Physical Properties
| Molecular Weight | 184.279 g/mol🔬 EPA CompTox |
| Density | 0.9 g/cm^3📊 OPERA |
| Boiling Point | 233.036 °C📊 OPERA |
| Melting Point | -26.714 °C📊 OPERA |
| Flash Point | 101.983 °C📊 OPERA |
| Refractive Index | 1.441 Dimensionless📊 OPERA |
| Molar Volume | 207.008 cm^3/mol📊 OPERA |
Partition & Solubility
| LogP (Octanol-Water) | 4.158 Log10 unitless📊 OPERA |
| LogD (pH 5.5) | 4.158 Log10 unitless📊 OPERA |
| LogD (pH 7.4) | 4.158 Log10 unitless📊 OPERA |
| LogKoa (Octanol-Air) | 5.87 Log10 unitless📊 OPERA |
| Water Solubility | 0.001 mol/L📊 OPERA |
| Henry's Law Constant | 0 atm-m3/mole📊 OPERA |
Transport Properties
| Vapor Pressure | 0.055 mmHg📊 OPERA |
| Surface Tension | 28.394 dyn/cm📊 OPERA |
Molecular Descriptors
| Topological Polar Surface Area | 26.3 Ų💻 Computed |
| H-Bond Donors | 0 count💻 Computed |
| H-Bond Acceptors | 2 count💻 Computed |
| Rotatable Bonds | 6 count💻 Computed |
| Aromatic Rings | 0 count💻 Computed |
| Molar Refractivity | 54.686 cm^3/mol📊 OPERA |
| Polarizability | 21.679 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.
