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Ammonium hexafluorophosphate

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Ammonium hexafluorophosphate

Ball-and-stick model of the ammonium cation

Ball-and-stick model of the hexafluorophosphate anion

Names

IUPAC name

ammonium hexafluorophosphate

Identifiers

CAS Number

16941-11-0^Y

3D model (JSmol)

ChemSpider

7969679^Y

ECHA InfoCard

100.037.266

EC Number

241-009-1

PubChem CID

9793912

UNII

NS308031PJ

CompTox Dashboard(EPA)

DTXSID00884948

InChI

InChI=1S/F6P.H3N/c1-7(2,3,4,5)6;/h;1H3/q-1;/p+1^Y
Key: NIZXKAYXSNUDOU-UHFFFAOYSA-O^Y
InChI=1/F6P.H3N/c1-7(2,3,4,5)6;/h;1H3/q-1;/p+1
Key: NIZXKAYXSNUDOU-IKLDFBCSAF

SMILES

[NH4+].F[P-](F)(F)(F)(F)F
F[P-](F)(F)(F)(F)F.[NH4+]

Properties

Chemical formula

(NH₄)[PF₆]

Molar mass

163.00264

Appearance

white solid

Density

2.180 g/cm³

Solubility in water

74.8 g/100 mL(20 °C)

Hazards

GHS labelling:

Danger

Precautionary statements

P260,P264,P280,P301+P330+P331,P303+P361+P353,P304+P340,P305+P351+P338,P310,P321,P363,P405,P501

Safety data sheet (SDS)

Oxford MSDS

Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).

Y verify (what is ^YN ?)

Infobox references

Chemical compound

Ammonium hexafluorophosphate is theinorganic compound with the formula NH₄PF₆. It is a white water-soluble, hygroscopic solid. The compound is a salt consisting of theammonium cation andhexafluorophosphate anion. It is commonly used as a source of the hexafluorophosphate anion, aweakly coordinating anion. It is prepared by combining neatammonium fluoride andphosphorus pentachloride. Alternatively it can also be produced fromphosphonitrilic chloride:^[1]

PCl₅ + 6 NH₄F → NH₄PF₆ + 5 NH₄Cl

PNCl₂ + 6 HF → NH₄PF₆ + 2 HCl

References

[edit]

^W. Kwasnik (1963). "Ammonium Hexafluorophosphate (V)". In G. Brauer (ed.).Handbook of Preparative Inorganic Chemistry, 2nd Ed. Vol. 1. NY, NY: Academic Press. pp. 195–196.

v t e Hexafluorophosphates
HPF₆ NH₄PF₆ BMIM-PF₆ [Fe(C₅H₅)₂]PF₆ LiPF₆ (C₆H₅)₃CPF₆ AgPF₆ KPF₆ NaPF₆ NⁿBu₄PF₆ [Cu(MeCN)₄]PF₆

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