tetrafluorosilane dihydrofluoride

• ChemBase ID: 147911
• Molecular Formular: F6H2Si
• Molecular Mass: 144.0917992
• Monoisotopic Mass: 143.98299592
• SMILES: F.F.F[Si](F)(F)F
• Canonical SMILES: F[Si](F)(F)F.F.F
• InChI: InChI=1S/F4Si.2FH/c1-5(2,3)4;;/h;2*1H
• InChIKey: ZEFWRWWINDLIIV-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: tetrafluorosilane dihydrofluoride
• IUPAC Traditional name: silicon tetrafluoride dihydrofluoride
• Synonyms: Fluorosilicic acid solution; Fluorosilicic acid; Hexafluorosilicic acid; Hydrogen hexafluorosilicate; Fluosilicic acid; 氟硅酸 溶液; 六氟硅酸; 氢氟硅酸; 硅氟酸; 氟硅酸

Database IDs

• CAS Number: 16961-83-4
• MDL Number: MFCD00036289
• PubChem SID: 162242092; 24863162; 24845155
• PubChem CID: 11137276

CALCULATED PROPERTIES

• H Acceptors: 0
• H Donor: 0
• LogD (pH = 5.5): 0.914
• LogD (pH = 7.4): 0.914
• Log P: 0.914
• Molar Refractivity: 6.0052 cm^3
• Polarizability: 3.9217172 Å^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Density: 1.22 g/mL at 20 °C(lit.); 1.22 g/mL at 25 °C; 1.31 g/mL at 25 °C

Safety Information

• European Hazard Symbols: Corrosive (C)
• UN Number: 1778
• German water hazard class: 2
• Hazard Class: 8
• Packing Group: 2
• Risk Statements: 20/21/22-34; 20/21/22-35; 34
• Safety Statements: 26-27-45; 26-36/37/39-45
• GHS Pictograms: GHS05; GHS06
• GHS Signal Word: Danger
• GHS Hazard statements: H302-H311-H314; H314
• GHS Precautionary statements: P280-P305 + P351 + P338-P310
• Personal Protective Equipment: Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 1778 8/PG 2

Product Information

• Purity: 33.5-35%
• Concentration: ~25% in H2O; 20-25 wt. % in H2O
• Grade: purum; technical
• Impurities: ≤0.003% heavy metals (as Pb); ≤0.005% heavy metals (as Pb)
• Cation Traces: Fe: ≤100 mg/kg; Fe: ≤300 mg/kg
• Antion Traces: chloride (Cl-): ≤1%; chloride (Cl-): ≤100 mg/kg; phosphate (PO43-): ≤1000 mg/kg; sulfate (SO42-): ≤1%; sulfate (SO42-): ≤100 mg/kg
• Linear Formula: H2SiF6

DETAILS

Sigma Aldrich - 372757

Packaging
500 g in poly bottle

Sigma Aldrich - 52513

Other Notes
Reagent used for the selective cleavage of t-Bu-Me2-silyl ethers1