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Potassium hexafluoroantimonate

Names
IUPAC name potassium;hexafluoroantimony(1-)
Identifiers
CAS Number	16893-92-8
3D model (JSmol)	Interactive image
ChemSpider	10814363
ECHA InfoCard	100.156.339
EC Number	628-032-6
PubChem CID	16688490
CompTox Dashboard (EPA)	DTXSID30586923
InChI InChI=1S/6FH.K.Sb/h6*1H;;/q;;;;;;+1;+5/p-6Key: LQKKGPUEJBHVHZ-UHFFFAOYSA-H
SMILES .F(F)(F)(F)(F)F
Properties
Chemical formula	F6KSb
Molar mass	274.849 g·mol
Appearance	powder
Melting point	846
Boiling point	1505
Hazards
GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H332, H411
Precautionary statements	P261, P264, P270, P271, P273, P301+P317, P304+P340, P317, P330, P391, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references

Potassium hexafluoroantimonate is an inorganic chemical compound with the chemical formula KSbF₆.

Synthesis

Potassium hexafluoroantimonate can be prepared by reacting potassium pyroantimonate K₂H₂Sb₂O₇ with hydrogen fluoride or by treating the product of the reaction of a mixture of solid antimony(III) oxide and potassium hydroxide with hydrogen peroxide solution (30%) with hydrochloric acid (48%).

Also, the compound can be prepared by reacting antimony pentafluoride and potassium hexafluoromanganate.

SbF₅ + K₂MnF₆ → 4KSbF₆ + 2MnF₃ + F₂

Uses

Potassium hexafluoroantimonate is used as a pharmaceutical intermediate.

Chemical properties

Potassium hexafluoroaluminate can cause violent reactions with strong acids and oxidizing agents.

References

1. "Potassium hexafluoroantimonate". pubchem.ncbi.nlm.nih.gov.
2. McCarthy, J. (6 December 2012). The Rare Earths in Modern Science and Technology: Volume 3. Springer Science & Business Media. p. 105. ISBN 978-1-4613-3406-4.
3. Macintyre, Jane E. (23 July 1992). Dictionary of Inorganic Compounds. CRC Press. p. 3217. ISBN 978-0-412-30120-9. Retrieved 15 June 2024.
4. Ebnesajjad, Sina (11 May 2013). Introduction to Fluoropolymers: Materials, Technology and Applications. William Andrew. p. 10. ISBN 978-1-4557-7551-4. Retrieved 15 June 2024.
5. "Potassium hexafluoroantimonate(V) | CAS 16893-92-8 | SCBT - Santa Cruz Biotechnology". Santa Cruz Biotechnology. Retrieved 15 June 2024.
6. "Potassium hexafluoroantimonate(V)". Sigma Aldrich. Retrieved 15 June 2024.

• Fluoro complexes
• Antimonates
• Potassium compounds
• Fluorometallates