Huangshan brand natural menthol crystals, is one of the competitive products of Huangshan Tianmu Pharmaceutical Co., Ltd. It is refined from pure natural menthol, and it was evaluated as a Fine Quality product by Anhui Province in 1984. 1. Specifications: Color and Appearance: Colorless, transparent hexagonal or needlelike crystals. Odor: Having Characteristic odor of natural menthol obtained from mentha avensis oil. Melting point: 42-44℃ Non-volatile matter: 0.05 % maximum Solubility: 1g soluble in 5ml of 90% (v/v)alcohol, forming a clear solution. Specific rotation: -49-50o(20℃) Purity: ≥99% Thymol test: Negative Litmus paper test: Neutral As content: ≤3ppm Heavy metal content(calculated as Pb ): ≤10ppm 2. Uses: It is widely used in pharmaceutical, food, cigarettes, tooth-pastes and cosmetics. 3. Storage: Store in closed containers. Keep in a cool and dry place below 33℃,avoid sunshine & rain. 4. Package: 25kg/barrel, paper barrel 40cm(diagram)?0cm(high). Gross weight: 28kg/barrel. 5. Quality Guarantee Term: 12 months (under the conditions of fulfilling the requirements of storage and transport, and that the packing is complete and sealed). 6. Accord with the Chinese Pharmacopoeia 2005 edition, the USP-24, the BP-2000 and the FCC edition.