- Silver(I) fluoride
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CASNo = 7775-41-9
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SMILES = AgF
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Formula = AgF
MolarMass = 126.866 g/mol
Appearance = yellow-brown solid
Density = 5.852 g/cm3, solid
MeltingPtC = 435
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BoilingPtC = 1159
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Solubility = 1.8 kg/L (20 °C)
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CrystalStruct = cubic
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OtherCpds =Silver(I) fluoride (AgF), also known as argentous fluoride and silver monofluoride, is a compound of
silver andfluorine . It is a ginger-coloured solid, melting point 435 °CGreenwood, N. N.; Earnshaw, A. (1997). "Chemistry of the Elements", 2nd Edition, Oxford:Butterworth-Heinemann. ISBN 0-7506-3365-4.] , which blackens on exposure to moist air. Unlike other silver halides such assilver chloride it is soluble inwater to the extent of 1.8 kg/L, and it even has some solubility inacetonitrile . AgF is made from silver(I) carbonate andhydrofluoric acid .Silver(I) fluoride finds most application in
organofluorine chemistry for addition offluoride across multiple bonds. For example, AgF adds to perfluoroalkene s in acetonitrile to give perfluoroalkylsilver(I) derivatives: [Miller, W. T.; Burnard, R. J., "J. Am. Chem. Soc." 1968, "90", 7367-7368.] RFCF=CF2 + AgF → RFCF(CF3)Ag.Silver also forms a higher fluoride,silver(II) fluoride .See also
*Naming Ionic Compounds
External links
* [http://www.npi.gov.au/database/substance-info/profiles/44.html National Pollutant Inventory - Flouride and compounds fact sheet]
References
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