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Chromium (III) Chloride (CrCl3)-Powder

Chromium (III) Chloride (CrCl3)-Powder

CAS: 10025-73-7
Molecular Formula: CrCl3
Purity: 99%
Products Code: TR241701UN
Specification Model: - 325 mesh
Hazardous Class: Class 8
EINECS No.: 233-038-3
UN No.: UN3260
Package Class: PG III
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Chromium (III) Chloride (CrCl3)-Powder introduce:

Characteristic




Chromium(III) chloride (also called chromic chloride) describes any of several compounds of with the formula CrCl3 • xH2O, where x can be 0, 5, and 6. The anhydrous compound with the formula CrCl3 is a violet solid. The most common form of the trichloride is the dark green hexahydrate, CrCl3 • 6H2O.




Chemical formula:CrCl3

Molar mass:158.36 g/mol (anhydrous)

                      266.45 g/mol (hexahydrate)

Appearance:purple (anhydrous), dark green (hexahydrate)

Density: 2.87 g/cm3 (anhydrous)

                 1.760 g/cm3 (hexahydrate)

Melting point:1,152 °C (2,106 °F; 1,425 K) (anhydrous)

                          83 °C (hexahydrate)

Boiling point:1,300 °C (2,370 °F; 1,570 K) decomposes

Solubility in water:slightly soluble (anhydrous)

                                 585 g/L (hexahydrate)

Solubility:insoluble in ethanol

                   insoluble in ether, acetone

Acidity (pKa):2.4 (0.2M solution)

Magnetic susceptibility (χ):+6890.0·10−6 cm3/mol

Crystal structure:YCl3 structure




Application




Chromium chlorides find use as catalysts and as precursors to dyes for wool.
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