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SZSE：002741
Chemical Reagents
Chromium(VI) oxide?COA Report
  • CAS No.： 1333-82-0
  • Molecular weight：99.99
  • Aliases：Chromic anhydride
  • Molecular formula：CrO3
  • UN Code：1463
  • EC No.：215-607-8
  • HS-No：28191000
Information
Specification category：
Product No. Product name specifications
1.10439.015 Chromium(VI) oxide AR500g
1.10439.025 Chromium(VI) oxide CP500g
1.10439.035 Chromium(VI) oxide CP25kg
1.10439.055 Chromium(VI) oxide AR25kg
Characteristic： Appearance and properties:dark red or dark purple rhombic crystal,easy deliquescence.
Relative density(water=1):2.70
Melting point(℃):196
Boiling point(℃):decomposition
Concentration:content:industrial grade first class≥99.5%.
Solubility:soluble in water,sulfuric acid,nitric acid.
Technical indicators：
Item AR CP
Assay(CrO3) ≥99.0% ≥98.0%
Water insoluble ≤0.003% ≤0.01%
Chloride (Cl) ≤0.001% ≤0.005%
Sulfate (SO4) ≤0.01% ≤0.05%
Sodium (Na) ≤0.15% ≤0.3%
Aluminum (Al) ≤0.003% ≤0.01%
Potassium (K) ≤0.05% ≤0.1%
Iron (Fe) ≤0.01% ≤0.02%
Hazard characteristics：

IATA-DGR UN 1463 CHROMIUM TRIOXIDE,ANHYDROUS,5.1(6.1,8),Ⅱ

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