natural menthol crystal Appearance: Colorless, Transparent Hexagonal Or Needlelike Crystals Odor: Having Characteristic Odor Of Natural Menthol Obtained From Menthol Avensis Oil Melting Point: 42 - 44 Centigrade Non-volatile Matter: 0.05% Maximum; Specific Rotation(25 centigrade): -50- -49 AS Content: ≤3PPM Heavy Metal Content: ≤10PPM Chemical Constituents: 99.50 min Laevo-menthol HS Code:29061100Trademark:Great NationModel NO.:1Productivity:1200Ton/YearOrigin:ChinaPacking:In 25kgs net fiber drum