For White Potassium Chloride Powder, 98%,

Potassium chloride is a potassium salt used to treat hypokalemia. A white crystal or crystalline powder used as an electrolyte replenisher, in the treatment of hypokalemia, in buffer solutions, and in fertilizers and explosives.
Chemical and physical propertiesThe melting point is 770 °C (1,418 °F), and the boiling point is 1,420 °C (2,588 °F). Potassium chloride readily dissolves in water, and the aqueous solution that forms is a good conductor of electricit