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  • Product name: Chromic Anhydride
  • Product Number: g03
  • Added time: 2014-01-26
  • Views : 39

Chromic anhydride

Formula CrO3
Relative molecular mass of 99.99,

Appearance: Dark red flakes, melting point 197 ℃ (decomposition), specific gravity 2.70, with strong oxidizing, highly hygroscopic and significantly soluble in water, contact with organic friction contact can cause burning.

Uses: Widely used chrome, wood preservation, pharmaceuticals, catalysts, pigments, antioxidants, coloring of the glass raw material for producing an oxidizing catalyst, such fabric dyed medium.

CAS Number :1333-82-0 UN Number: 1463

 

Physical Properties

Formula

CrO3

Relative density

2.7g/cm3

Appearance

 Dark red flakes

 

Chemical properties

  Superior product (GB)

Content(CrO3)%

≥99.7

≥99.85

Sulfate(SO42-)%

≤0.06

≤0.05

Sodium (Na)%

≤0.05

≤0.03

Water insoluble%

≤0.02

≤0.02

Turbidity%

≤5.0

≤3.0

Iron(Fe)

≤0.005

 

 

Package:Industrial chromic anhydride packed in sealed drums. Barrel, net weight 25 kg, 50kg, 250kg.
Precautions:
1, not with combustible material (such as oil, grease, alcohol, alkali, etc.) coexist.
2, storage and transportation should pay attention to moisture, heat, anti-strike away from combustibles.