Features: 1) Natural menthol crystal 2) C10H20O model: Wt. 156. 27 3) 2-isopropyl-5 ... hexagonal, needlelike crystals Specifications: Melting point:: 42~44DC Assay (Menthol): >=99.5% ( L- Menthol>=98%) Specific rotation: 50 -49 (25DC) Solubility: 1g ... Pb): <=10ppm Odor and usage: having characteristic odor of natural menthol It is widely used in pharmaceuticals, food, cigarettes, tooth-paste ...