Sodium hexafluoroantimonate

{{Chembox

| Name = Sodium hexafluoroantimonate

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| IUPACName = sodium;hexafluoroantimony(1-)

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| Section1 = {{Chembox Identifiers

| CASNo = 16925-25-0

| ChemSpiderID = 10626272

| UNII = 7JW6105AEM

| EINECS = 240-989-8

| PubChem = 16689647

| StdInChI = 1S/6FH.Na.Sb/h6*1H;;/q;;;;;;+1;+5/p-6

| StdInChIKey = HKLMYZVMEYYVBS-UHFFFAOYSA-H

| SMILES = F[Sb-](F)(F)(F)(F)F.[Na+]

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| Section2 = {{Chembox Properties

| Formula = {{chem2|NaSbF6}}

| MolarMass =

| Appearance = colorless crystals

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| Solubility = soluble (slow hydrolysis)

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| Section3 = {{Chembox Hazards

| GHSPictograms = {{GHS07}}{{GHS09}}{{GHS03}}{{GHS06}}{{GHS08}}

| GHSSignalWord = Danger

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Sodium hexafluoroantimonate is an inorganic chemical compound with the chemical formula {{chem2|NaSbF6}}.{{cite web |title=Sodium hexafluoroantimonate, 98%, Thermo Scientific Chemicals {{!}} Fisher Scientific |url=https://www.fishersci.fi/shop/products/sodium-hexafluoroantimonate-98-thermo-scientific/10471713 |publisher=Fisher Scientific |access-date=14 June 2024}}{{cite web |title=Sodium hexafluoroantimonate(V) |url=https://www.sigmaaldrich.com/RU/en/product/aldrich/237981 |publisher=Sigma Aldrich |access-date=14 June 2024}}{{cite book |title=Toxic Substances Control Act (TSCA): PL 94-469 : Candidate List of Chemical Substances |date=1977 |publisher=Environmental Protection Agency, Office of Toxic Substances |page=1177 |url=https://books.google.com/books?id=RkN3mlTCcyEC&dq=sodium+hexafluoroantimonate&pg=PA1177 |access-date=14 June 2024 |language=en}}

Synthesis

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

::{{chem2|6Sb2O3 + 20BrF3 + 12NaF -> 12Na[SbF6] + 10Br2 + 9O2}}

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

::{{chem2|SbF5 + NaF -> Na[SbF6]}}

Physical properties

Sodium hexafluoroantimonate forms colorless crystals, soluble in water.{{cite book |last1=Haynes |first1=William M. |title=CRC Handbook of Chemistry and Physics |date=22 June 2016 |publisher=CRC Press |isbn=978-1-4987-5429-3 |page=4-86 |url=https://books.google.com/books?id=VVezDAAAQBAJ&dq=sodium+hexafluoroantimonate&pg=SA4-PA86 |access-date=14 June 2024 |language=en}} 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.{{cite book |last1=Possart |first1=Wulff |title=Adhesion: Current Research and Applications |date=12 May 2006 |publisher=John Wiley & Sons |isbn=978-3-527-60710-5 |page=208 |url=https://books.google.com/books?id=jaDxT_wzohIC&dq=%22sodium+hexafluoroantimonate%22&pg=PA208 |access-date=14 June 2024 |language=en}}

References

{{sodium compounds}}

{{fluorine compounds}}

{{antimony compounds}}

Category:Hexafluoroantimonates

Category:Sodium compounds