Title: Potassium Ferricyanide
CAS Registry Number: 13746-66-2
CAS Name: Tripotassium hexakis(cyano-C)ferrate(3-)
Additional Names: potassium hexacyanoferrate(III); red prussiate of potash
Molecular Formula: C6FeK3N6
Molecular Weight: 329.24
Percent Composition: C 21.89%, Fe 16.96%, K 35.63%, N 25.53%
Line Formula: K3Fe(CN)6
Properties: Ruby-red crystals. d 1.89. Slowly sol in 2.5 parts cold water, in 1.3 parts boiling water; slightly sol in alc; dec by acids. The aq soln dec slowly on standing. Protect from light.
Density: d 1.89
Use: Chiefly for blueprints; in photography; also for staining wood, dyeing wool, calico printing, as etching liquid (Mercer's liquor), tempering iron and steel; in electroplating; as a mild oxidizing agent in organic synthesis; in analytical chemistry. |