Features:
1) Refined from pure natural menthol, and evaluated as a "Fine
Quality Product" by Anhui Province in 1984
2) Specifications:
a) Color and appearance: colorless, transparent hexagonal or
needlelike crystals
b) Odor: natural odor of menthol obtained from mentha avensis oil
c) Melting point: 42 - 44oC
d) Non-volatile matter: 0.05% maximum
e) Solubility: 1g soluble in 5ml of 90% (v/v) alcohol, clear solution
f) Specific rotation: -49 ~ 50 degrees (20oC)
g) Thymol test: negative
h) Litmus paper test: neutral
i) Arsenic content: ≤3ppm
j) Heavy metal content (calculated as Pb): ≤10ppm
2) Action and indication: widely used in pharmaceutical, food,
cigarettes, tooth-pastes and cosmetics
3) Storage: stored in closed containers and kept in cool and dry places,
below 33oC, avoid sunshine and rain
4) Packing: 25kg/barrel, paper barrel: 40cm (diameter) x 50cm (height)
5) Quality guarantee term: 12 months (under the conditions of
fulfilling the requirements of storage and transport, and the packing
is completed and sealed)
6) Standards: Chinese Pharmacopoeia 2000 edition, the USP-24, the
BP-2000 and the FCC edition