Isolongifolanone (isolongifolene ketone)
isolongifolene ketone
CAS: 23787-90-8
Molecular Formula: C15H24O
Isolongifolanone (isolongifolene ketone) - Names and Identifiers
Isolongifolanone (isolongifolene ketone) - Physico-chemical Properties
| Molecular Formula | C15H24O |
| Molar Mass | 220.35 |
| Density | 1.00±0.1 g/cm3(Predicted) |
| Boling Point | 286.8±8.0 °C(Predicted) |
| Water Solubility | 25.3mg/L at 20℃ |
| Vapor Presure | 0.5Pa at 20℃ |
| Physical and Chemical Properties | Colorless or yellow liquid. The relative density is about 0.997-1.010, refractive index 1.498-1.503, flash point 106 ℃, soluble in ethanol. The aroma is powerful, there are fresh wood, and there are very similar to the natural patchouli-like wood and soil aroma. The aroma was long lasting. |
Isolongifolanone (isolongifolene ketone) - Reference Information
| LogP | 4.9 at 35℃ |
| NIST chemical information | information provided by: webbook.nist.gov (external link) |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | should be used in the aucklandia type, which can be given to aucklandia, and can be combined with other aucklandia aroma and fragrance. Used in perfume fragrance can be given the head of fragrance. It can also be coordinated in the combination of many fragrance types. Should be used for men with the aroma of wood flavor, the amount of 1%-5%. |
| production method | using Longifolene in heavy turpentine oil as raw material, adding a small amount of concentrated sulfuric acid in glacial acetic acid mixture, water bath heating, controlled at a certain temperature, dropwise addition of Longifolene, isomerization is completed, cooling, maintaining at 35~50 ℃ dropwise addition of 30% hydrogen peroxide [feeding ratio 1: (1.1~1.4)mol] keep oxygen water slightly excessive, but should not be too much, otherwise it will increase side effects. After separation, neutralization, washing with water, drying and distillation, the product was obtained with a yield of 87% and a ketone content of 65%. If 50% sodium hydroxide solution and methanol are used for a series of treatment, the ketone content can be increased to about 80% after epimerization. |
Last Update：2024-04-09 21:04:16
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