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Geraniol
Geraniol is a monoterpene alcohol naturally found in rose oil, geranium oil, and lemongrass oil. Known for its soft rose scent and fresh fruity notes, it is an indispensable core molecule in modern perfumery. Due to its elegant and bright characteristics, it is commonly used in floral, citrus, and fruity perfumes, and is also widely used in the cosmetics, food, and pharmaceutical industries.
Type
Floral
The main fragrance is floral, with a slight fruity note.
Acquisition Methods
Natural extraction or chemical synthesis
Extracted from plants such as rose oil, geranium oil, and lemongrass oil or chemically synthesized via isoprene pathways.
Basic Information
| English Name | Geraniol |
| Common Industry Names | Geraniol, Geraniol |
| Chemical Category | Monoterpenoid Alcohols |
| Molecular Formula | C10H18O |
| Molecular Weight | 154.25 g/mol |
| CAS Number | 106-24-1 |
| Appearance | Colorless to pale yellow liquid |
Technical Data
| Boiling Point | 229 °C |
| Flash Point | 107 °C |
| Refractive Index (20 °C) | 1.474–1.478 |
| Density (20 °C) | 0.878–0.885 g/cm³ |
| Solubility | Insoluble in water, soluble in ethanol and most organic solvents |
| Stability | Easily oxidized in light and air; should be stored in a light-protected, sealed container. |
Chemical Structure
C10H18O
Fragrance Characteristics
| Aroma Characteristics | A sweet and soft rose scent, accompanied by subtle hints of citrus and fruity freshness. |
| Fragrance Notes | Middle to Top Notes |
| Common Pairings | Rose, Orange Blossom, Jasmine, Ylang-ylang, Lemon, Bergamot |
| Applications | High-end perfumes, personal care products (lotions, soaps), food and beverages (flavorings), pharmaceuticals (antibacterial/insect repellent effects) |
Safety and Compliance
| IFRA Guidelines | Permit its use, but concentration limits should be observed for sensitive skin. |
| Stability | Easily oxidized; should be used in conjunction with antioxidants (such as BHT). |
| Allergy Risk | Oxidation products may trigger skin sensitization reactions. |
Application Highlights
- Plays a central role in the rose base of floral perfumes.
- Adds a fresh fruity layer when combined with citrus notes.
- Widely used in skincare and haircare products, providing a natural floral scent experience.
- Studied to possess antibacterial and insect-repellent activities, and is used in daily chemical and health products.
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