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Chromium Trioxide
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Molecular Formula: CrO3
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Molecular weight: 99.99
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Character:
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It is flake in red-brown, having specific gralling 2.67~2.82, and melting, point 197℃. It is easy to dissolve into water , ether, Having deliquescence and liberating oxygen at temperature 250℃, having high corrosicity and strong oxidizer. Connecting with organic substance and causing inflammation. Having toxicity.
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Usage:
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Chromium Troxide is mainly used for plating, electrolysis for abstracting high pure chromium, also used for organic dye, synthetize cobber, grease refining, Catalytic agent industry etc.
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Standard:
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High-class
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First-fate
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Qualified
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Chromic anhydride（CrO3）
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％ ≥
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99.7
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99.5
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99.0
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Water insoluble matter
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％ ≤
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0.02
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0.05
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0.10
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Sulphate Vitriol（in SO4）
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％ ≤
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0.06
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0.15
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0.30
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0.05
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-
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-
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Packing & Caution:
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Lead drum hermatically-sealad package. Net weight 50KG package. Note dampness, heat prevention, separating from inflammables.
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