Ammonium Fluorosilicate

Ammonium fluorosilicate, also known as ammonium hexafluorosilicate, is a colorless crystalline powder with two crystal forms, alpha and beta. Odorless. Soluble in alcohol and water, insoluble in acetone. Mainly used in the brewing industry as a disinfectant, glass etchant, and fabric moth inhibitor. Wood preservatives. Manufacturing cryolite and ammonium chlorate. Extract potassium from green sand