Molecular Structure:

Product description: Property : White crystal or powder, odorless, flavorless, Relative density of crystal of hexagonal system: 3.08; Relative density of crystal of cubic system: 2.665(17°C) . slightly soluble in water, soluble in hydrochloric acid, insoluble in alcohol. Decomposed into potassium fluoride, hydrogen fluoride and silicic acid in hot water. Potassium fluorosilicate (K2SiF6), % ≥ 99.0 Iron (Fe), % ≤ 0.005 Free acid (base on H2SiF6), % ≤ 0.1 Heavy metal (base on Pb), % ≤ 0.01 Sulfate radical (base on SO4), % ≤ 0.2 Water content, % ≤ 0.5 Chloride (base on Cl), % ≤ 0.1 (P2O5), % ≤ 0.005 Fineness (80 mesh), % ≥ 90 Insoluble substance in water, % ≤ 0. 5