CAS Registry Number
CAS 16961-83-4 — Hexafluorosilicic Acid 34%
Hexafluorosilicic acid (H₂SiF₆) is a highly soluble, corrosive inorganic acid primarily used in water fluoridation, aluminum etching, and as a catalyst in chemical synthesis. It is a 34% aqueous solution with strong industrial and municipal applications. This product has a CAS number of 16961-83-4, a molecular formula of H₂SiF₆, and a molecular weight of 144.09 g/mol. It is stored at ambient conditions and carries a **Danger** signal word due to its corrosive and hazardous nature. Molekula supplies hexafluorosilicic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Also known as: Dihydrogen hexafluorosilicate(2-) · FLUOROSILIC ACID · Fluorosilicic acid · Fluorosilicic acid (H2SiF6) · Hydrofluorosilicic acid · Hydrofluosilicic acid · HYDROGEN HEXAFLUOROSILICATE (H2SIF6) · Silicate(2-), hexafluoro-, dihydrogen · Silicofluoric acid · Silicon hexafluoride dihydride · Fluorosilicic 10% · Fluorosilicic 11%
Molekula products for CAS 16961-83-4
Hexafluorosilicic Acid 34%
SKU 90035781
Fluorosilicic 10%
SKU 90037803
Fluorosilicic 11%
SKU 90037804
Fluorosilicic Acid (H₂SiF₆) - 20-25 wt. % solution in water
SKU 90037860
Molekula has supplied fine chemicals and biochemicals since 1999, and its facilities are ISO 9001:2015 and ISO 14001:2015 certified. Every dispatched batch is logged with a batch number and matched to a Certificate of Analysis, and Safety Data Sheets are available in five languages.