SZSE：002741
Chemical Reagents
Zinc oxide?COA Report
  • CAS No.：1314-13-2
  • Molecular weight：81.37
  • Aliases：Zinc white
  • Molecular formula：ZnO
  • UN Code：3077
  • EC No.：215-222-5
  • HS-No：28170000
Information
Specification category：
Product No. Product name specifications
1.09424.040 Zinc oxide AR500g
1.09424.050 Zinc oxide AR25kg
1.09424.060 Zinc oxide CP500g
1.09424.160 Zinc oxide AR25kg
Characteristic： Appearance and properties:White hexagonal crystals or powder.
Relative density(water=1):5.61
Melting point(℃):1975
Concentration:Content:≥99.0%;ferric≤0.005%;Arsenic≤0.0002%;Loss on ignition≤1.0%.
Solubility:insoluble in water,soluble in ethanol, soluble in acid, sodium hydroxide solution, potassium cyanide.
Technical indicators：
Item AR CP
Assay(in ZnO meter) ≥99.0% ≥99.0%
Clarity test Qualified 3 Qualified 5
Sulfuric acid insoluble matter ≤0.01% ≤0.02%
Free alkali Qualified Qualified
Chloride (Cl) ≤0.001% ≤0.005%
Sulfur compounds (as SO4) ≤0.01% ≤0.02%
Nitrate (NO3) ≤0.003% ≤0.005%
Manganese (Mn) ≤0.0005% ≤0.001%
Iron (Fe) ≤0.0005% ≤0.0025%
Arsenic (As) ≤0.00005% ≤0.0002%
Lead (Pb) ≤0.005% ≤0.05%
Reduction of potassium permanganate substance (as O) ≤0.002% ≤0.004%
Not ammonium sulfide precipitate (as sulfate) ≤0.10% ≤0.25%
Hazard characteristics：

IATA-DGR UN 3077 ENVIRONMENTALLY HAZARDOUS SUBSTANCE,SOLID,N.O.S.(ZINC OXIDE),9，Ⅲ

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