POTASSIUM CITRATE K3C6H5O7·HOH CAS: 866-83-1 Properties:  Colorless or white crystals or powder, deliquescent.  Cooling, saline taste; odorless.  Soluble in water and glycerol, almost insoluble in alcohol, d 1.98, loses water at 180C, decomposes at 230C. Derivation:  Action of citric acid on potassium carbonate. Grade:  Technical, CP, NF, FCC. Use: Medicine (antacid), sequestrant, stabilizer, buffer in foods.