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Sodium hexafluoroantimonate

Names
IUPAC name sodium;hexafluoroantimony(1-)
Identifiers
CAS Number	16925-25-0
3D model (JSmol)	Interactive image
ChemSpider	10626272
ECHA InfoCard	100.037.248
EC Number	240-989-8
PubChem CID	16689647
UNII	7JW6105AEM
CompTox Dashboard (EPA)	DTXSID301014504
InChI InChI=1S/6FH.Na.Sb/h6*1H;;/q;;;;;;+1;+5/p-6Key: HKLMYZVMEYYVBS-UHFFFAOYSA-H
SMILES F(F)(F)(F)(F)F.
Properties
Chemical formula	NaSbF6
Appearance	colorless crystals
Solubility in water	soluble
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

Sodium hexafluoroantimonate is an inorganic chemical compound with the chemical formula NaSbF₆.

Synthesis

Sodium hexafluoroantimonate may be synthesised by oxidation of antimony trioxide with bromine trifluoride:

6Sb₂O₃ + 20BrF₃ + 12NaF → 12Na[SbF₆] + 10Br₂ + 9O₂

Or it may be formed by reaction of antimony and sodium fluorides:

SbF₅ + NaF → Na[SbF₆]

Physical properties

Sodium hexafluoroantimonate forms colorless crystals, soluble in water. It crystallizes in the cubic Pa3 space group with unit cell dimension of a=0.820 Å.

Chemical properties

Sodium hexafluoroantimonate undergoes slow partial hydrolysis in aqueous solutions.

References

1. "Sodium hexafluoroantimonate, 98%, Thermo Scientific Chemicals | Fisher Scientific". Fisher Scientific. Retrieved 14 June 2024.
2. "Sodium hexafluoroantimonate(V)". Sigma Aldrich. Retrieved 14 June 2024.
3. Toxic Substances Control Act (TSCA): PL 94-469 : Candidate List of Chemical Substances. Environmental Protection Agency, Office of Toxic Substances. 1977. p. 1177. Retrieved 14 June 2024.
4. Haynes, William M. (22 June 2016). CRC Handbook of Chemistry and Physics. CRC Press. p. 4-86. ISBN 978-1-4987-5429-3. Retrieved 14 June 2024.
5. Possart, Wulff (12 May 2006). Adhesion: Current Research and Applications. John Wiley & Sons. p. 208. ISBN 978-3-527-60710-5. Retrieved 14 June 2024.

• Fluoro complexes
• Antimonates
• Sodium compounds
• Fluorometallates