The Ricca Chemical potassium fluoride is composed of 67.69% water, 32.30% potassium fluoride, < 0.1% potassium hydroxide, < 0.1% ethyl alcohol, < 0.1% methyl alcohol, < 0.1% phenolphthalein and < 0.1% sodium hydroxide. It is suitable for use as a fluoridating agent, preservative and insecticide. It can be stored at a temperature of 15 to 30 degree C.