薄荷味的结晶

Menthol crystalsStandards USP, BP, EP, JSCI, FCC IV Alternative names Levomenthol, Levomentholum, L-Menthol Chemical name (1R,2S,5R)-5-methyl-2-(1-methylethyl)cyclohexanol Classification NaturalBTN 2906 1100 00 Code NO.: AC043 Origin China Appearance Prismatic or acicular, colorless, shiny crystalsCharacteristics Produced by the freezing and drying of mentha arvensis oil. Used:extensively in a wide range of flavors and fragrances. Odor: Minty fresh, cool Assay Min 99.0% Solubility Soluble in ethanol and in ether and very slightly soluble in water. L-menthol sublimes gradually at room temperature. Heavy metals (as Pb) 0.002% max. Melting range 41°C 44°C Specific rotation -48° -51° Residue on evaporation Max. 0.05% Organic volatile impurities Meets the USP requirement