... Supplier GONGMING Brand Menthol Crystals Appearance:Colorless, Transparent Hexagonal Or Needlelike Crystals;Odor:Having Characteristic Odor Of Natural Menthol ... -49°AS Content:≤3PPMHeavy Metal Content:≤10PPMChemical Constituents:99.80 min Laevo-mentholSpecification:CP2000,BP2000,USP24,JP,FCC-III,IPStorage ... & Fragrances, Inhalers, Pain killing ointments... China menthol crystal 99%Min Cas No 2216-51-5