Menthol
| Product Name | Menthol |
|---|---|
| CAS Number | 89-78-1 |
| Other Names | 2-Isopropyl-5-methylcyclohexanol; Hexahydrothymol; Peppermint camphor |
| Molecular Formula | C10H20O |
| Molecular Weight | 156.27 g/mol |
| Appearance | Colorless, transparent, needle-like or prismatic crystals |
| Assay (GC) | 99.0% – 101.0% |
| Melting Point | 41 – 44 °C |
| Solubility | Soluble in ethanol, chloroform, ether; slightly soluble in water |
| Heavy Metals | ≤ 10 ppm |
| Package | 25 kg fiber drum with double PE liner |
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Synonyms: 2-Isopropyl-5-methylcyclohexanol, Hexahydrothymol, Peppermint camphor, 3-p-Menthanol, 5-Methyl-2-(1-methylethyl)cyclohexanol
Menthol is a cyclic monoterpene alcohol that occurs naturally in the essential oils of plants from the Mentha genus, most notably peppermint (Mentha × piperita) and corn mint (Mentha arvensis). Commercially, it is produced either by fractional crystallization from mint oil or through synthetic routes, yielding a product with a characteristic cooling, refreshing taste and a distinct minty odor. The synthetic grade, which dominates the global market, offers consistent quality and stable supply for industrial applications.
With a melting point near body temperature, menthol is prized for its unique physiological cooling effect, activating TRPM8 receptors without actual temperature change. This property, combined with its antimicrobial, analgesic, and penetration-enhancing characteristics, makes it indispensable in pharmaceuticals, personal care, food, and flavor industries. As a leading supplier, we provide high-purity menthol crystals and flakes that meet stringent pharmacopeial standards, ensuring reliability for formulators worldwide.
| Parameter | Specification |
|---|---|
| Assay (GC) | 99.0% – 101.0% |
| Appearance | Colorless, transparent crystals |
| Melting Point | 41 – 44 °C |
| Specific Rotation | -49° to -51° (20°C, 10% in ethanol) |
| Heavy Metals | ≤ 10 ppm |
| Residue on Ignition | ≤ 0.1% |
| Loss on Drying | ≤ 0.5% |
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