Properties of fluorosilicic acid
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Who has the physical and chemical property data for fluosilicic acid? Thank you!
The aqueous solution is a colorless, transparent fuming liquid. The relative density is about 1.32. Boiling point 108.5°C. It has a pungent odor and is volatile. It is soluble in water and has disinfectant properties. Fluorosilicic acid does not have an anhydrous form; its maximum concentration is 60.92%, and it is most stable at a composition of 13.3%. It does not decompose during distillation. It can corrode glass, ceramics, lead, and other metals. It is a strong acid with strength comparable to that of H2SO4. When heated to boiling, it decomposes into silicon tetrafluoride and hydrogen fluoride. Use: It is a basic raw material for producing sodium, potassium, ammonium, magnesium, copper, barium, lead fluorosilicates, as well as silicon tetrafluoride. Adding 1 ppm of H2SiF6 to water can prevent tooth decay.
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