100% Natural Flavor Fragrance Cas 89-78-1 DL-Menthol

Overview

DL-Menthol is a cyclic monoterpene alcohol with the chemical formula C₁₀H₂₀O and a molecular weight of 156.27. It appears as colorless needle-like or prismatic crystals or white crystalline powder, characterized by a distinct minty aroma and an initial burning sensation followed by a cooling effect. DL-Menthol is the racemic mixture of natural L-menthol and is widely found in plants of the Mentha genus. It can also be synthesized chemically. With various biological activities, including cooling, antipruritic, local anesthetic, antibacterial, and anti-inflammatory effects, DL-Menthol finds extensive applications in the pharmaceutical, food, daily chemical, and other industries.

Applications

1. Pharmaceutical Industry
   • Topical Medications: DL-Menthol provides a cooling and antipruritic effect on the skin or mucous membranes. It is commonly used in the preparation of external medications such as cooling ointments, analgesic patches, and toilet waters to alleviate symptoms like headaches, neuralgia, pruritus, and respiratory tract inflammation.
   • Oral Medications: DL-Menthol can also be administered orally as a carminative to treat headaches and inflammation of the nose, throat, and pharynx. Its ester derivatives are utilized in the formulation of perfumes and medications.
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2. Food Industry
   • Edible Flavoring Agent: DL-Menthol serves as a flavoring agent in various food products, including candies (such as mint candies and chewing gums), beverages, and ice creams, imparting a refreshing and invigorating aroma.
   • Usage Standards: The recommended usage levels are 1100 mg/kg in chewing gums, 400 mg/kg in candies, 130 mg/kg in baked goods, 68 mg/kg in ice creams, and 35 mg/kg in soft drinks.
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3. Daily Chemical Industry
   • Oral Care Products: DL-Menthol is a common additive in toothpaste, mouthwashes, and other oral care products, providing fresh breath and a cooling sensation.
   • Cosmetics: It is used in the formulation of cosmetics with a cooling effect, such as toners and face masks, and also serves as a special additive in therapeutic cosmetics.
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4. Other Industries
   • Fragrance Industry: DL-Menthol is widely employed in the blending of fragrances for daily use, food, and tobacco products, enhancing their aromatic quality.
   • Industrial Uses: DL-Menthol can also be used as an additive in industrial products such as plastics and rubbers or in the manufacture of cooling ointments.