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Hexafluorosilicic acid is commonly used as a source of fluoride. It is converted to a variety of useful hexafluorosilicate salts. It is also used as an electrolyte in the Betts electrolytic process for refining lead. It is an important organic reagent for cleaving Si-O bonds of silyl ethers. Further, it is used as wood a preservation agent and also used in surface modification of calcium carbonate.
Ayarza, N.; Góngora, J. M.; Alonso, R. M. Quality Control of Industrial Fluorinated Inorganic Acids by Ion Chromatography. Anal. Lett. 2015, 48 (9), 1367-1379.
Buzatu, T.; Petrescu, M. I.; Ghica, V. G.; Buzatu, M.; Iacob, G. Processing oxidic waste of lead-acid batteries in order to recover lead. Asia-Pac. J. Chem. Eng. 2015, 10 (1), 125-132.
Hazard Statements: H314-H318
Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statements: P260u-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a
IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.