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Chromium(Iii) Oxide Kromium(Iii) Oksida

Supplier From China
Oct-04-17

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 formulacr2o3
Molar mass151.9904 g/mol
Appearancelight to dark green, fine crystals
Density5.22 g/cm3
Melting point2435 c
Boiling point4000 c
Solubility in waterinsoluble
Solubility inalcoholinsoluble 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


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