Chromium oxide CAS NO.1308-38-9

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Chromium oxide

CAS No: 1308-38-9

Formula: Cr2O3

Specification:

Assay: 99.0% min

Water: 0.15% max

Residues (45 μm): 0.30% max

Water soluble matter: 0.20% max

Oil absorption value: 15 - 25 g/100g

D50: 1.0 - 3.0 μm

Cr6+: 5 ppm max

MW:151.99

EINECS:215-160-9

Application:

Chromium oxide (Cr2O3) is a dull green synthetic inorganic pigment, which can be used in all types of paint systems where high chemical resistance and outstanding light-fastness are required.

In abrasives, refractory materials, electric semiconductors; as pigment, particularly in coloring glass; in alloys; printing fabrics and banknotes; as catalyst for organic and inorganic reactions.

Chromium(III) oxide is used as pigment for coloring green on glass and fabrics. Other important applications are in metallurgy; as a component of refractory bricks, abrasives and ceramics; and as a catalyst in hydrogenation, hydrogenolysis and many other organic conversion reactions. It also is used to prepare other chromium salts.