menthol

SPECIFICATION OF NATURAL MENTHOL CRYSTALS

Product name: Natural Menthol Crystals BP/USP
Molecular Formula: C10H20O
Cas No.:2216-51-5
Chemical Name: (1R,2S,5R)-5-Methyl-2-(1-methylethyl)-cyclohexanol
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%
Purity:99.5% min
Solubility in Alcohol at 25: 1g sample can be dissolved in 5ml of 90% (V/V) alcohol forming a clean solution.
Specific rotation at 25: -50-49°
Arsenic content: ≤3ppm
Heavy metal content (as Pb): ≤10ppm
Standards: According with the CP2005 edition,the BP2008 edition,the USP31 edition and FCC IV edition.
Uses: It is widely used in medicament, food, cigarette, cosmetic and toothpaste.
Packing: In 25kg net fibre drum, 360 drums to one 20'container; In 2.5kg net tin,such 12tins to one carton.
Storage: To be stored in closed containers, keep in a cool and dry place below 33, avoid sunshine and rain.
Quality guarantee term: 36 months (under the conditions of fulfilling requirements of storage and transport and that the packing is complete and sealed).