Introduction
Menthol crystals are cooling, refreshing, and have a pleasantly strong minty aroma. They are often used in cosmetics, salves, balms, medicated creams, throat lozenges, toothpaste, mouthwash, gum, foot sprays, pain relief or cooling body products, shampoos, conditioners, liniments, shaving creams, oral or throat sprays, compresses, medicated oils, and cooling gels. Menthol crystals are excellent for use in these products to help relieve muscular aches and pains, coughing, congestion, the flu, and upper respiratory problems. Since Menthol crystals are so concentrated, only a very small amount is needed within products. When purchasing Menthol crystals remember that a good quality menthol crystal usually contains not less than 99.4% menthol.
Production
Menthol crystals are naturally produced through Mint (Mentha arvensis) essential oil extraction. Menthol is the solid constituent of oil of mint, to which its characteristic odor is due, and was formerly known as peppermint camphor. Menthol is obtained by subjecting the distilled oil of Mentha arvensis oil to a temperature of -22° C, (-7.6° F.) by the aid of a freezing mixture, the menthol crystallizes out in satiny crystals and the mother liquor is removed while the low temperature is maintained. They dissolve readily into alcohol or essential oils, and they can also be dissolved into water or oil at their melting point of 111.2 deg. F
Spearmint oil is extracted by steam distillation of flowering tops of the spearmint plant, whose scientific name is Mentha Spicata. The main components of this oil are Alpha Pinene, Beta Pinene, Carvone, Cineole, Caryophyllene, Linalool, Limonene, Menthol and Myrcene.
Although its aroma is similar to that of peppermint, due to the presence of menthol, its menthol content is negligible as compared to that of peppermint oil. Spearmint oil has been a substitute for peppermint when it is unavailable, and possesses similar medicinal properties, due to the presence of similar compounds in its essential oil. Instances of its use in ancient Greece have even been found in historical records
Menthol is an organic compound made synthetically or obtained from corn mint, peppermint or other mint oils. It is a waxy, crystalline substance, clear or white in color, which is solid at room temperature and melts slightly above. The main form of menthol occurring in nature is ()-menthol, which is assigned the (1R, 2S, 5R) configuration. Menthol has local anesthetic and counterirritant qualities, and it is widely used to relieve minor throat irritation. Menthol also acts as a weak kappa opioid receptor against. Appearance at 200 C: Crystalline solid Color: Colorless Refractive Index: 1.3700 1.3750 Optical Rotational: -51 to -48 Melting Point (0C): 41 44 Flash Point: 93 Solubility: Slightly soluble in water Taste: Slightly soluble in water Shelf Life: Best before 60 month from the date of manufacturing Acidity/ Alkalinity: Neutral to litmus Uses:- Menthol, a natural product of the peppermint plant Mentha x piperita (Lamiaceae), is a monoterpene which is widely used as a natural product in cosmetics, a flavoring agent, and as an intermediate in the production of other compounds.
CAS Number : 2216-51-5 Synonym : 5-methyl-2-(1-methylethyl) Cyclohexanol 3-p-methanol Quality : IP/BP/USP/JP/EP standards
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