We are legitimate supplier of potassium cyanide and is known by jewelry dealers for it's extreme and exceptional high quality chemical gilding and buffing properties. Our gold mining. organic synthesis. and electroplating customers has never looked anywhere ever since they tested our potassium cyanide. Potassium cyanide is offered in powder or cylindrical tablet each tablets weighing 100 grams. It is an inorganic compound with the formula KCN. This colorless crystalline compound. similar in appearance to sugar. is highly soluble in water. Most KCN is used in gold mining. organic synthesis. committing suicide and electroplating.