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Chromium(III) oxide is the inorganic compound of the formula Cr2O3.
C 2255 (OTTO) Chromium(III) oxide, green Cas 1308-38-9 - used pigment and was originally called viridian. C 2255 (OTTO) Chromium(III) oxide, green Cas 1308-38-9 - used in paints, inks, and glasses.