Title: Potassium Oxalate

CAS Registry Number: 583-52-8

Molecular Formula: C2K2O4

Molecular Weight: 166.22

Percent Composition: C 14.45%, K 47.04%, O 38.50%

Line Formula: K2C2O4

Properties: Occurs as the monohydrate, colorless, odorless crystals; efflorescent in warm dry air. Poisonous! d 2.13. Loses its water at ~160°; when ignited is converted into carbonate without appreciable charring. Sol in 3 parts water.

Density: d 2.13

Use: Cleaning and bleaching straw, removing stains in photography; in vitro blood anticoagulant; also in analytical chemistry.