Potassium hexafluoroantimonate

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-6 Key: LQKKGPUEJBHVHZ-UHFFFAOYSA-H
SMILES [K+].F[Sb-](F)(F)(F)(F)F
Properties
Chemical formula	F6KSb
Molar mass	274.849 g·mol−1
Appearance	powder
Melting point	846
Boiling point	1505
Hazards
GHS labelling: [1]
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 [77 °F], 100 kPa). Infobox references

Potassium hexafluoroantimonate is an inorganic chemical compound with the chemical formula KSbF₆. ^[2]

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%). ^[3]

Also, the compound can be prepared by reacting antimony pentafluoride and potassium hexafluoromanganate. ^[4]

SbF₅ + K₂MnF₆ → 4KSbF₆ + 2MnF₃ + F₂

Uses

Potassium hexafluoroantimonate is used as a pharmaceutical intermediate. ^[5]

Chemical properties

Potassium hexafluoroaluminate can cause violent reactions with strong acids and oxidizing agents. ^[6]

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.