... crystal, white powder, granular crystal or prill. Potassium carbonateCAS NUMBER:584-08-7Property: Potassium Carbonate is monoclinic crystal, white powder, granular ... during welding. It is used to produce food additives like potassium sorbate, monopotassium phosphate, etc. foliar spray fertilizer and a ... alcohol and acetone; and anti-aging agent in rubber production. Potassium carbonate 99% food grade