DL-Menthol is a terpenoid organic compound with the chemical formula C ₁₀ H ₂₀ O, appearing as white crystals with a cool aroma, used in flavor blending and as an important pharmaceutical raw material.
Item | Result |
Melting point | 42~44ºC |
Optical rotation | -50°~-49° |
Freezing point | 212~216.5ºC |
Boiling point | 176~177ºC |
Non-volatile matter | <0.05% |
Arsenic content (As) | ≤3ppm |
Heavy metals (Pb) | ≤3ppm |
(1) Pharmaceutical field: It is often used in the production of external preparations (such as ointments, liniments). Its cooling sensation is utilized to relieve skin itching, mild pain, etc. It can also be used in oral preparations (such as lozenges, toothpaste) to exert cooling and bactericidal effects.
(2) Daily chemical field: It is added to skin care products (such as toners) and toiletries (such as shampoo, body wash) to bring a cool and comfortable user experience; it can also be used in perfumes, aromatherapy, etc., to provide a fresh fragrance.
(3) Food field: As a food additive, it is used in candies, beverages, chewing gum, etc., to endow products with a cool taste and mint flavor.
(4) In the tobacco industry: It is often added to cigarettes and e-cigarettes, which can neutralize the pungent taste of tobacco, bring a cool and smooth smoking experience, and improve the taste.
(5) In the industrial field: It can be used as an additive in some industrial products (such as coolants, lubricants), using its cooling properties to help adjust product performance, or play a role in enhancing odor and assisting in repelling insects in some insect repellent products.
(1) Cooling and analgesic effect: It can stimulate the cold receptors of the skin and mucous membranes, producing a cooling sensation, and at the same time, it can relieve mild pain, itching and other discomforts.
(2) Bacteriostatic and bactericidal effect: It has a certain inhibitory effect on some bacteria and fungi, especially in oral and skin care, it can help maintain cleanliness.
(3) Flavoring and aroma enhancing: It endows products with mint flavor and fresh aroma, improving the sensory experience of food, daily chemicals, etc.
(4) Improving taste: It neutralizes pungent, bitter and other irritating tastes, making the taste of tobacco, food, etc. smoother and more comfortable.
(5) Aiding digestion: DL-menthol helps stimulate gastrointestinal peristalsis, accelerating the movement of food in the intestines. It also promotes the secretion of digestive juices, enhancing digestive function. This effectively relieves discomfort such as stomach pain, bloating, and indigestion, contributing to maintaining the health of the digestive system.
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