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Fluosilicic acid

Fluosilicic acid chemical structure
CAS Number16961-83-4
FormulaH2SiF6
Mol. Weight144.09 g/mol

What is Fluosilicic acid?

Fluosilicic acid is a chemical compound with CAS number 16961-83-4 and molecular formula H2SiF6. It is used in various industrial and research applications.

Specifications

Linear Formula

H2SiF6

Molecular Weight

144.09 g/mol

Assay/Purity

33.5-35%

Impurities

≤0.003% heavy metals (as Pb)

Density

1.22 g/mL at 20 °C(lit.)<br/>1.31 g/mL at 25 °C

Safety Information

GHS05GHS05
GHS06GHS06
Signal Word

Danger

Hazard Statements

H302-H311-H314

Precautionary Statements

P280-P305 + P351 + P338-P310

Required PPE

Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter

Anion Traces

chloride (Cl-): ≤100 mg/kg
phosphate (PO43-): ≤1000 mg/kg
sulfate (SO42-): ≤100 mg/kg

Cation Traces

Fe: ≤100 mg/kg

WGK Germany

2

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