DL-Menthol

This product is a less commonly used Chinese medicine, colorless and transparent needle-shaped or prismatic crystal, or white crystalline powder. The crystals vary in length, about 3cm in length and about 0.3cm in thickness, and are easily twisted by hand twisting. It has a mint aroma and cools off after the initial scorching. Colorless and transparent, with a strong smell is preferred. Menthol is extracted from the leaves and stems of mint, white crystals, molecular formula C10H20O, colorless transparent needle-shaped or hexagonal prism-shaped crystals. It has a special cool mint aroma and fragrance, which is cool, ether and spicy. It has sublimation and mint aroma. It is cool after scorching and volatile, and the ethanol solution is neutral. It is easily soluble in ethanol, chloroform, ether, liquid paraffin or volatile oil, and very little in water. In the world, China and Brazil are the main natural mint producers, and the annual output of mint oil reaches 2000-3000t. Both menthol and racemic menthol can be used as flavoring agents for toothpaste, perfume, beverages, candy, etc .; they are used as stimulants in medicine, acting on the skin or mucous membranes, and have a cooling and antipruritic effect; oral administration can be used as wind expelling drugs , Used for headaches and inflammation of the nose, pharynx, and larynx; its esters are used in spices and medicines