Chromium Oxide

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Chromium (III) oxide Cr₂O₃ is a very solid refractory powder of green color. Melting point 2435°C, boiling point approx. 4000°C. Density is 5,21 g/cm3. Insoluble in water. Hardness close to corundum, so it is introduced into the composition of polishing agents. Formula Cr2O3 Molar mass 151.989 g/mol CAS Number 1308-38-9 Density 5.210 g/cm3 Purity/Grade ≥98.0% Appearance Green powder Initial boiling point and boiling range 4


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