Prduct Name: Menthol Crystal Appearance:Colorless, Transparent Hexagonal Or Needlelike Crystals Melting point:42.2°C Odor:?Smell Like Menthol With Happiness??? Non-Volatile Content:0.005%?? Specific Rotation: -49.51°?? Solubility??Melting: 1 gram test sample into 5ml 90% alcohol?? Assay: 99.41%?? The quality of this batch conforms to GB 3862-2006?