CAS Registry Number

CAS 16961-83-4 — Hexafluorosilicic Acid 34%

CAS 16961-83-4 HsSiF6 MW 144.09

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: Fluorosilicic 10% · Fluorosilicic 11% · Fluorosilicic Acid (H₂SiF₆) - 20-25 wt. % solution in water

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Molekula products for CAS 16961-83-4

Hexafluorosilicic Acid 34%

SKU 90035781

Made to order Uncategorised

Fluorosilicic 10%

SKU 90037803

Made to order Uncategorised

Fluorosilicic 11%

SKU 90037804

Made to order Uncategorised

Fluorosilicic Acid (H₂SiF₆) - 20-25 wt. % solution in water

SKU 90037860

Made to order Uncategorised

Molekula has supplied fine chemicals and biochemicals since 2000 from ISO 9001:2015 and ISO 14001:2015 certified facilities. 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.