Antimony trifluoride

Antimony trifluoride is the inorganic compound with the formula SbF3. Sometimes called Swarts' reagent, it is one of two principal fluorides of antimony, the other being SbF5. It appears as a white solid. As well as some industrial applications, it is used as a reagent in inorganic and organofluorine chemistry.

Antimony trifluoride
Names
Preferred IUPAC name
Antimony(III) fluoride
Systematic IUPAC name
Trifluorostibane
Other names
Trifluoroantimony
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.029.099
EC Number
  • 232-009-2
PubChem CID
RTECS number
  • CC5150000
UNII
UN number UN 2923
  • InChI=1S/3FH.Sb/h3*1H;/q;;;+3/p-3 Y
    Key: GUNJVIDCYZYFGV-UHFFFAOYSA-K Y
  • InChI=1S/3FH.Sb/h3*1H;/q;;;+3/p-3
    Key: GUNJVIDCYZYFGV-UHFFFAOYSA-K
  • InChI=1/3FH.Sb/h3*1H;/q;;;+3/p-3
    Key: GUNJVIDCYZYFGV-DFZHHIFOAW
SMILES
  • F[Sb](F)F
Properties
SbF3
Molar mass 178.76 g/mol
Appearance light gray to white crystals
Odor pungent
Density 4.379 g/cm3
Melting point 292 °C (558 °F; 565 K)
Boiling point 376 °C (709 °F; 649 K)
385 g/100 mL (0 °C)
443 g/100 mL (20 °C)
562 g/100 mL (30 °C)
Solubility soluble in methanol, acetone
insoluble in ammonia
Magnetic susceptibility (χ)
 -46.0·10−6 cm3/mol
Structure
Orthorhombic, oS16
Space group
 Ama2, No. 40
Hazards
NFPA 704 (fire diamond)
3
0
0
Lethal dose or concentration (LD, LC):
LD50 (median dose)
 100 mg/kg
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 0.5 mg/m3 (as Sb)
REL (Recommended)
 TWA 0.5 mg/m3 (as Sb)
Related compounds
Related compounds
 antimony pentafluoride, antimony trichloride
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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