Chrome oxide green
Chrome oxide green

Chrome oxide green

Category：

Chemical compound

Also known as chromium trioxide and chromium oxide, with molecular weight of 151.99. It is hexagonal crystal and green powder. It is insoluble in water, acid and organic solvent, slightly soluble in concentrated sodium hydroxide solution, soluble in hot sodium bromate solution, hot concentrated perchloric acid solution or boiling mixed acid of sulfur and phosphorus. It is extremely stable to light, atmosphere and corrosive gases (H2S, SO2, etc.) and has excellent weather resistance. Stable in case of heat, with melting point of 2265 ℃ and boiling point of 3000 ℃, it is a high-quality refractory material. It is used for smelting metal chromium and chromium carbide, coloring of enamel, ceramics, glass, artificial leather, refractory materials, building materials, catalysts for organic synthesis, special inks for manufacturing light-resistant materials and printing paper money, metal polishing abrasive materials, metal surface chromizing, magnetic materials, etc. Used in coatings, ceramics, rubber, art pigments, and camouflage coatings.
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Detailed introduction

Also known as chromium trioxide and chromium oxide, with molecular weight of 151.99. It is hexagonal crystal and green powder. It is insoluble in water, acid and organic solvent, slightly soluble in concentrated sodium hydroxide solution, soluble in hot sodium bromate solution, hot concentrated perchloric acid solution or boiling mixed acid of sulfur and phosphorus. It is extremely stable to light, atmosphere and corrosive gases (H2S, SO2, etc.) and has excellent weather resistance. Stable in case of heat, with melting point of 2265 ℃ and boiling point of 3000 ℃, it is a high-quality refractory material. It is used for smelting metal chromium and chromium carbide, coloring of enamel, ceramics, glass, artificial leather, refractory materials, building materials, catalysts for organic synthesis, special inks for manufacturing light-resistant materials and printing paper money, metal polishing abrasive materials, metal surface chromizing, magnetic materials, etc. Used in coatings, ceramics, rubber, art pigments, and camouflage coatings.

 

Project

Unit

Technical Indicators

Density

g/cm3

5.25

Mohs’hardness scale

 

8.5-9

Melting point

℃

2266

Boiling point

℃

4000

Particle size

µm

1-10

105℃ 105℃ Volatile

%

0.3

800℃ 800℃Ignition Loss

%

0.3

Cr2O3 Cr2O3 content

%

99

key word:

Chrome oxide green

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