dihydrogen hexafluorosilanediuide

• ChemBase ID: 97577
• Molecular Formular: F6Si--
• Molecular Mass: 142.0759192
• Monoisotopic Mass: 141.96734585
• SMILES: [Si-2](F)(F)(F)(F)(F)F
• Canonical SMILES: F[Si-2](F)(F)(F)(F)F
• InChI: InChI=1S/F6Si/c1-7(2,3,4,5)6/q-2
• InChIKey: OHORFAFFMDIQRR-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: dihydrogen hexafluorosilanediuide
• IUPAC Systematic name: Dihydrogen hexafluorosilicate
• IUPAC Traditional name: dihydrogen(.) hexafluorosilanediuide; dihydrogen hexafluorosilanediuide
• Synonyms: Dihydrogen hexafluorosilicate; Hexafluorosilicic acid, 23% aqueous solution; Fluorosilicic acid; fluosilicic acid; hydrofluorosilic acid; silicofluoridd; silicofluoric acid; Hexafluorosilicic acid; Hydrofluorosilicic acid; Hexafluorosilicic acid; 六氟硅酸

Database IDs

• CAS Number: 16961-83-4
• EC Number: 241-034-8
• MDL Number: MFCD00036289
• Merck Index: 144182
• PubChem SID: 162084176
• PubChem CID: 21863527
• Chemspider ID: 17215660
• Wikipedia Title: Hexafluorosilicic_acid

CALCULATED PROPERTIES

• LogD (pH = 5.5): 2.1
• LogD (pH = 7.4): 2.1
• Log P: 2.1
• Polarizability: 4.849813 Å^3
• H Acceptors: 0
• H Donor: 0
• Molar Refractivity: 9.0078 cm^3
• Polar Surface Area: 0.0 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: miscible in water
• Apperance: transparent, colorless, fuming liquid
• Melting Point: 15-17°C; ca. 19 °C (60–70% soln.); <−30 °C (35& soln.)
• Boiling Point: 108.5°C (decomp); 108-109°C
• Flash Point: Non-flammable
• Density: 1.22; 1.22 g/cm^3 (25% soln.); 1.38 g/cm^3 (35% soln.); 1.46 g/cm^3 (61% soln.); 1.320
• Refractive Index: 1.3465
• Odor: sour, pungent

Safety Information

• Storage Warning: Corrosive
• RTECS: VV8225000
• European Hazard Symbols: Corrosive (C)
• UN Number: 1778; UN1778
• Hazard Class: 8
• Packing Group: II
• Risk Statements: 34; R34
• Safety Statements: 26-36/37/39-45; S1/2, S26, S27, S45
• TSCA Listed: 是
• EU Index: 009-011-00-5
• GHS Pictograms: GHS05
• NFPA704:
  

  0

  3

  0
• LD50: 430 mg/kg (oral, rat)
• GHS Hazard statements: H314
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A

Product Information

• Purity: 35% w/w aq. soln.

DETAILS

Apollo Scientific Ltd - PC4797

More selective reagent than HF for the cleavage of silylgroups. Excess reagent is not required cf. HF and often catalytic amounts are sufficient. JOC., 57, 2492 (1992).