DihydrocarvylAcetate
Dihydrocarvyl Acetate (乙酸二氢香芹酯) is an organic compound with the chemical formula C12H20O2 and a molecular weight of 196.29 g/mol. It is a colorless to pale yellow liquid with a density of approximately 0.94 g/cm³ at 20°C and a boiling point of around 225°C at 760 mmHg. The compound is slightly soluble in water but dissolves well in organic solvents like ethanol and ether .
Key Properties and Characteristics
- Chemical Structure:
- Dihydrocarvyl Acetate is derived from the acetylation of dihydrocarveol. It has a cyclohexanol core with a methyl and isopropenyl group at specific positions, forming a stereoisomeric structure .
- Its IUPAC name is Cyclohexanol, 2-methyl-5-(1-methylethenyl)-, acetate, and it has the CAS number 20777-49-5 .
- Physical Properties:
- Refractive Index: 1.4400 (n20/D) .
- Flash Point: Approximately 90°C, classifying it as a flammable liquid .
- Odor: It exhibits a rose-like aroma with hints of mint, floral, green, and vegetable notes, making it suitable for use in fragrances .
- Applications:
- Fragrance Industry: Widely used as a synthetic flavoring agent, particularly in creating herbal and minty scents for perfumes and cosmetics .
- Food Industry: Approved as a food flavoring agent (FDA §172.515, 2000), it is used in beverages, candies, baked goods, and other food products to impart berry, tropical fruit, and mint flavors .
- Pharmaceuticals: Acts as a cooling agent and local anesthetic in medicinal formulations .
- Safety and Handling:
- It is generally considered safe for use in food and cosmetics. However, it should be stored in a cool, dry place away from heat and open flames due to its flammable nature .
- Avoid direct contact with skin or eyes, and rinse thoroughly with water if exposure occurs .
- Natural Occurrence:
- Dihydrocarvyl Acetate is naturally found in plants such as mint, Scotch spearmint, and celery .
Additional Information
- Stereoisomers: The compound exists in both (+) and (-) forms, with slight variations in physical properties such as boiling points and optical rotations .
- Regulatory Status: It is listed under FEMA (Flavor and Extract Manufacturers Association) and complies with GB 2760-1996 standards for food flavoring .
For more detailed information, you can refer to the sources cited above.