
Ambroxan (MF: C₁₆H₂₈O, MW: 236.39) is a synthetic ambergris-type fragrance compound, chemically designated as 1,5,5,9-tetramethyl-13-oxatricyclo[8.3.0.0⁴,⁹]tridecane. It exhibits distinctive woody, musky, and marine notes with specific optical activity. It remains chemically stable under standard conditions and demonstrates excellent thermal stability, making it suitable for long-term storage.
| Item | Specification |
| Melting point | 74-76°C (lit.) |
| Boiling point | 273.9°C (760 mmHg) |
| Density | 0.939 g/cm³ |
| Flash point | 104.8±15.3 °C |
| Vapour pressure | 0.066 Pa at 25°C |
| Specific rotation | 1.481 |
| Refractive index | Soluble in chloroform (slightly), methanol (slightly) |
| Optical Rotation | [α]20/D29°,c=1in toluene |
| Aroma | Features a soft, long-lasting ambergris scent with subtle woody and green undertones. |
| Solubility | Sparingly soluble in water; readily soluble in organic solvents such as ethanol, acetone, and diethyl ether. |
In the perfume and cosmetics industry:
– Serves as a base note to impart depth and longevity to perfumes, commonly used in the base notes. Classic examples include Chanel N°5 and Dior Sauvage.
– Significantly enhances fragrance diffusion and retention time, suitable for daily care products such as soap, shower gel, face cream, and shampoo.
– As a natural-identical ingredient, it is used in small quantities in candies, baked goods, beverages, etc., imparting unique woody or marine notes. Recommended dosage: 0.01 mg/kg.
In the tobacco industry, ambroxan synergizes with tobacco’s characteristic aroma to mask off-notes and improve taste, particularly suited for blended cigarettes and Oriental-type tobacco.
Used in preparing scented fibers, scented candles, car air fresheners, etc., to achieve long-lasting fragrance release.
Ambroxan serves as an organic synthesis intermediate for other terpenoid compounds, such as derivatives of linalool.
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