Title: Chromic Potassium Oxalate
CAS Registry Number: 14217-01-7
CAS Name: Tripotassium tris(ethanedioato)chromate(3-)
Additional Names: tripotassium tris(oxalato)chromate(3-); potassium trioxalatochromate(III); potassium chromic oxalate
Molecular Formula: C6CrK3O12
Molecular Weight: 433.35
Percent Composition: C 16.63%, Cr 12.00%, K 27.07%, O 44.30%
Line Formula: K3[Cr(C2O4)3]
Literature References: Prepd by treatment of oxalic acid and K2C2O4 with K2Cr2O7: Bailar, Jr., Jones, Inorg. Synth. 1, 37 (1939); Hein, Herzog in Handbook of Preparative Inorganic Chemistry vol. 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) p 1372.
Derivative Type: Trihydrate
Additional Names: Potassium trioxalatotriaquochromate(III)
Properties: Black-green, monoclinic scales with transparent blue edges. Freely sol in water; practically insol in alcohol.
Use: In tanning industry; dyeing chromate colors on wool. |