Antimony pentafluoride
Antimony pentafluoride is the inorganic compound with the formula SbF5. This colourless, viscous liquid is a strong Lewis acid and a component of the superacid fluoroantimonic acid, formed upon mixing liquid HF with liquid SbF5 in 1:1 ratio. It is notable for its strong Lewis acidity and the ability to react with almost all known compounds.
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| Names | |||
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| IUPAC name
Antimony pentafluoride | |||
| Systematic IUPAC name
Pentafluoro-λ5-stibane | |||
| Other names
Antimony(V) fluoride pentafluoridoantimony | |||
| Identifiers | |||
3D model (JSmol) |
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| ChemSpider | |||
| ECHA InfoCard | 100.029.110 | ||
| EC Number |
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PubChem CID |
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| RTECS number |
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| UNII | |||
| UN number | 1732 | ||
CompTox Dashboard (EPA) |
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| Properties | |||
| SbF5 | |||
| Molar mass | 216.74 g/mol | ||
| Appearance | colorless oily, viscous liquid hygroscopic | ||
| Odor | pungent, sharp | ||
| Density | 2.99 g/cm3 | ||
| Melting point | 8.3 °C (46.9 °F; 281.4 K) | ||
| Boiling point | 149.5 °C (301.1 °F; 422.6 K) | ||
| Reacts | |||
| Solubility | soluble in KF, liquid SO2 | ||
| Hazards | |||
| Occupational safety and health (OHS/OSH): | |||
Main hazards |
Extremely toxic, corrosive, hazardous to health. Releases hydrofluoric acid upon contact with water and biological tissues. Strong oxidizing agent. | ||
| GHS labelling: | |||
| Danger | |||
| H300+H310+H330, H314, H411, H412 | |||
| P260, P261, P264, P270, P271, P273, P280, P301+P312, P301+P330+P331, P303+P361+P353, P304+P312, P304+P340, P305+P351+P338, P310, P312, P321, P330, P363, P391, P405, P501 | |||
| NFPA 704 (fire diamond) | |||
| Flash point | noncombustible | ||
| Lethal dose or concentration (LD, LC): | |||
LD50 (median dose) |
270 mg/kg (mouse, subcutaneous) | ||
LC50 (median concentration) |
270 mg/m3 (mouse, inhalation) | ||
LCLo (lowest published) |
15 mg/m3 (rat,
inhalation, 2 hours) | ||
| NIOSH (US health exposure limits): | |||
PEL (Permissible) |
TWA 0.5 mg/m3 (as Sb) | ||
REL (Recommended) |
TWA 0.5 mg/m3 (as Sb) | ||
IDLH (Immediate danger) |
50 mg/m3 | ||
| Safety data sheet (SDS) | ICSC 0220 | ||
| Related compounds | |||
Other anions |
Antimony pentachloride | ||
Other cations |
Phosphorus pentafluoride Arsenic pentafluoride Bismuth pentafluoride | ||
Related compounds |
Antimony trifluoride | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |||
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