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Sell: Chromium(III) oxide Chrom(III)-oxid Oxyde de chrome(III) Kromium(III) oksida Chroom(III)oxide Oxid de crom (III) |
| Date: |
2016-11-20 |
| Cas#: |
1308-38-9 |
| Specification: |
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| Price: |
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| Quantity: |
Kilogram |
| Term: |
365 |
| Note: |
Chromium(III) oxide is the inorganic compound of the formula Cr2O3.
It is one of the principal oxides of chromium and is used as a pigment.
In nature, it occurs as the rare mineral eskolaite.
Properties
Chemical formula Cr2O3
Molar mass 151.9904 g/mol
Appearance light to dark green, fine crystals
Density 5.22 g/cm3
Melting point 2435 脗掳C
Boiling point 4000 脗掳C
Solubility in water insoluble
Solubility inalcohol insoluble in alcohol,acetone, acids
[Applications]
Because of its considerable stability, chromia is a commonly used pigment and was originally called viridian.It is used in paints, inks, and glasses. It is the colourant in "chrome green" and "institutional green."
Chromium(III) oxide is a precursor to the magnetic pigment chromium dioxide.It is one of the materials that are used when polishing (also called stropping) the edges of knives, razors, etc. |
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