L-ALPHA-FENCHONE
L(-)-Fenchone
CAS: 7787-20-4
Molecular Formula: C10H16O
L-ALPHA-FENCHONE - Names and Identifiers
| Name | L(-)-Fenchone |
| Synonyms | FENCHONE L-FENCHONE (-)-Fenchone (-)-FENCHONE L(-)-Fenchone L(-)-FENCHONE FENCHONE, (-)- (1R)-(?-Fenchone L-ALPHA-FENCHONE L(-)-1,3,3-TRIMETHYL-2-NORBORBANONE L(-)-1,3,3-Trimethyl-2-norbornanone L(-)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-one LAEVO-1,3,3-TRIMETHYLBICYCLO[2.2.1]-2-HEPTANONE (1R,4S)-1,3,3-trimethylbicyclo[2.2.1]heptan-2-one (1R)-(-)-1,3,3-Trimethylbicyclo[2.2.1]heptan-2-one~(-)-1,3,3-Trimethylnorcamphor |
| CAS | 7787-20-4 |
| EINECS | 232-107-5 |
| InChI | InChI=1/C10H16O/c1-9(2)7-4-5-10(3,6-7)8(9)11/h7H,4-6H2,1-3H3/t7-,10+/m0/s1 |
L-ALPHA-FENCHONE - Physico-chemical Properties
| Molecular Formula | C10H16O |
| Molar Mass | 152.23 |
| Density | 0.948g/mLat 25°C(lit.) |
| Melting Point | 5-6°C(lit.) |
| Boling Point | 192-194°C(lit.) |
| Specific Rotation(α) | [α]D20 -50～-60° (c=4, C2H5OH) |
| Flash Point | 127°F |
| JECFA Number | 2200 |
| Solubility | Soluble in ethanol and non-volatile oil, insoluble in propylene glycol, extremely insoluble in water |
| Vapor Presure | 0.463mmHg at 25°C |
| Appearance | Colorless to pale yellow oily liquid with rich and sweet fruity, green and woody aromas with sweet aromas of flowers and fruits |
| Color | Clear colorless to light yellow |
| BRN | 2042710 |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.461(lit.) |
| MDL | MFCD00151104 |
| Physical and Chemical Properties | Colorless to light yellow oily liquid, with rich and sweet fruity, green and woody aroma, with sweet aroma of flowers and fruits. Boiling point 277 ℃, melting point 8 ℃. Soluble in ethanol and non-volatile oil, insoluble in propylene glycol, extremely insoluble in water. Natural products exist in anise, etc. |
L-ALPHA-FENCHONE - Risk and Safety
| Risk Codes | 10 - Flammable |
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | UN 1224 3/PG 3 |
| WGK Germany | 3 |
| RTECS | RB7875000 |
| TSCA | Yes |
| HS Code | 29142900 |
| Hazard Class | 3 |
| Packing Group | III |
| Toxicity | The acute oral LD50 value in rats was reported as 616 g/kg (Jenner, Hagan, Taylor. Cook & Fitzhugh, 1964) and the acute dermal LD50 value in rabbits exceeded 5 g/kg (Leven-stein, 1975). |
L-ALPHA-FENCHONE - Reference Information
| physical and chemical properties | fluorenone, also known as anisone, is derived from the oxidation of α-pinene, with the odor of iron rust, it is mainly derived from the essential oil of sweet fennel. Natural anethole is non-toxic and is used in food additives. Fluorenone is a ketone monolith, colorless or light yellow oily liquid, with rich fruit aroma, cyan and woody aroma. It has a sweet aroma of flowers and fruits. Very difficult to dissolve in water, insoluble in propylene glycol, soluble in ethanol and non-volatile oil. Can be used as food spices (GB 2760-1996), mainly used for the preparation of cover seeds, cherry, grape, tropical fruit and other fruit flavor. |
| biological activity | Fenchone is a component of vermouth wine and an essential oil of fennel. In food and perfume, it is used as a flavoring (Spice). |
| Chemical properties | colorless to light yellow oily liquid, with strong sweet fruit aroma, cyan and woody aroma, with sweet aroma of flowers and fruits. The boiling point of 277 deg C, the melting point of 8 deg C. Soluble in ethanol and non-volatile oil, insoluble in propylene glycol, very difficult to dissolve in water. Natural products are found in anise and the like. |
| Use | GB 2760-1996 is defined as temporary allowed use of food spices. Mainly used for the preparation of raspberry, cherry, grape, tropical fruit and other kinds of fruit flavor. |
| production method | from the reaction of anisole and acetic anhydride. |
| EPA chemical substance information | information is provided by: ofmpeb.epa.gov (external link) |
Last Update：2024-04-09 20:49:11
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