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Chromium oxide
Chromium oxide Cr2O3 CAS 1308-38-9

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  • Product Details
Chromium oxide Cr2O3 CAS 1308-38-9, melting point at 2266±25℃, boiling point at 4000℃. Hexagonal crystal or amorphous olive green powder with a metallic luster and magnetic. Insoluble in water and acid, soluble in hot alkali metal bromic acid solution. Extremely stable in light, atmosphere, high temperature and corrosive gases (SO2, H2S, etc).

Physical Properties
Melting point, °C     2266±25
Boiling range, °C     4000
Density                    5.21
Flash point, °C        3000

Specification
Appearance                   Dark green crystal or powder
Assay(Cr2O3)                ≥99%
Chromium anhydride     0.05%Max
Water insoluble            1.0%Max
Fe                                 0.20%Max
Sulfate (SO4)                0.05%Max
Chloride                        0.01%Max

Acid sodium salt            0.5%Max

 

Applications
Mainly used for the industries of pigment, metallurgy, refractory and ceramics etc.

Packaging
25kg per bag,20mt per 20GP container or as request

Storage & Handling
Prevent weathering,should be stored in dry place, avoid big temperature difference, moisture, acid mist and sun.Once opened, should be fastened well to prevent the water vapor and pollution.
Storage should be kept away from food.
Always refer to the Material Safety Data Sheet (MSDS) for detailed information on handling and disposal.
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