Zinc Oxide
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Molecular Structure
Detailed Description
Appearance: White or yellowish white, very fine sand-free powder; odorless; slowly absorb carbon dioxide in the air; insoluble in water or ethanol; soluble in acid or sodium hydroxide solution.
Page number:2010 Chinese pharmacopoeia-820 Statutory No: CAS: 1314-13-2
Product specification: Molecular formula: ZnO Molecular weight:81.38
Item Index(USP32)
Content ZnO % 99—100.5
Alkalinity Meet the requirements
Carbonate and color of solution Meet the requirements
Loss on ignition ≤% 1.0
Iron and other heavy metals ≤% Meet the requirements
Lead Meet the requirements
Arsenic ≤ppm 6
Packaging and storage:
25kg/complex paper bag, or according to order. Keep airtight in a dry, clean, cool and ventilative place, away from light.