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Potassium hexafluorosilicate is used in the production of porceleins. It is also used for the preservation of timber. It is involved in the manufacturing of ceramics, aluminum and magnesium smelting. In addition, it is used as an intermediate in the manufacturing of optical glass.
Wang, H.; Li, R.; Fan, C.; Feng, J.; Jiang, S.; Han, Z. Effects of acidic concentrations, temperatures and nitrates on the solubility of K2SiF6 in phosphoric acid and nitric acid solutions. J. Fluorine Chem. 2015, 178, 93-98.
Chae, I. S.; Kim, M.; Kang, Y. S.; Kang, S. W. Enhanced CO2 carrier activity of potassium cation with fluorosilicate anions for facilitated transport membranes. J. Membr. Sci. 2014, 466, 357-360.
Gefahrenhinweise (EU): H301-H311-H331
Toxic if swallowed. Toxic in contact with skin. Toxic if inhaled.
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/clothing. IF SWALLOWED: Immediately call a POISON CENTER/doctor IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.