الصيغة الجزيئيةH2SiF6CAS16961-83-4الكتلة الجزيئية144.1 g/mol g/mol
المرادفاتHexafluorosilicic Acid
Safety & Hazards (GHS)
Danger
Corrosive
Acute toxic
Irritant
Health hazard
⚠️ For information only; not a substitute for the official Safety Data Sheet (SDS).
Hexafluorosilicic acid is an inorganic compound used mainly in water fluoridation, in the production of aluminum, and in various chemical processes.
- Water Fluoridation: Used in municipal water systems for fluoridation.
- Aluminum Production: Used as a flux in the production of aluminum and aluminum alloys.
- Chemical Manufacturing: Used in the production of fluorosilicic acid salts and in other fluorine-containing chemicals.
- Industrial Applications: Used in the manufacture of semiconductors and in the etching of glass.
Appearance
Colorless to pale yellow liquid
Odor
Odorless
Molecular Formula
H2SiF6
Molecular Weight
144.1 g/mol
Boiling Point
130-140 °C
Density
1.33 g/cm³
Solubility
Soluble in water
Flash Point
Not applicable
Chemical Stability
Stable under normal conditions but can react with metals and strong oxidizing agents
IUPAC Name
hexafluorosilicon(2-);hydron
الصيغة الجزيئية
H2SiF6
الكتلة الجزيئية
144.1 g/mol g/mol
SMILES
[H+].[H+].F[Si-2](F)(F)(F)(F)F
InChIKey
OHORFAFFMDIQRR-UHFFFAOYSA-P
H290 May be corrosive to metals
H302 Harmful if swallowed
H311 Toxic in contact with skin
H314 Causes severe skin burns and eye damage
H318 Causes serious eye damage
H332 Harmful if inhaled
H335 May cause respiratory irritation
H371 May cause damage to organs
H372 Causes damage to organs through prolonged or repeated exposure
H373 May causes damage to organs through prolonged or repeated exposure
H402 Harmful to aquatic life
H412 Harmful to aquatic life with long lasting effects
⚠️ For information only; not a substitute for the official SDS.