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Silver tetrafluoroborate

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Silver tetrafluoroborate
Names
IUPAC name Silver tetrafluoridoborate(1–)
Other names Borate(1-), tetrafluoro-, silver(1+)
Argentous tetrafluoroborate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.034.491 Edit this at Wikidata
EC Number
  • 237-956-5
PubChem CID
RTECS number
  • ED2875000
CompTox Dashboard (EPA)
InChI
  • InChI=1S/Ag.BF4/c;2-1(3,4)5/q+1;-1Key: CCAVYRRHZLAMDJ-UHFFFAOYSA-N
  • InChI=1/Ag.BF4/c;2-1(3,4)5/q+1;-1Key: CCAVYRRHZLAMDJ-UHFFFAOYAH
SMILES
  • .F(F)(F)F
Properties
Chemical formula AgBF4
Molar mass 194.673 g/mol
Appearance Off-white powder
Odor almost odorless
Density 4.16 g/cm
Melting point 71.5 °C (160.7 °F; 344.6 K) (monohydrate)
Solubility in water soluble
Hazards
GHS labelling:
Pictograms GHS05: Corrosive
Signal word Danger
Hazard statements H314
Precautionary statements P260, P264, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P321, P363, P405, P501
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
3 0 0
Safety data sheet (SDS) External MSDS
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

Silver tetrafluoroborate is an inorganic compound with the chemical formula AgBF4. It is a white solid that dissolves in polar organic solvents as well as water. In its solid state, the Ag centers are bound to fluoride.

Preparation

Silver tetrafluoroborate is prepared by the reaction between boron trifluoride and silver oxide in the presence of benzene.

Laboratory uses

In the inorganic and organometallic chemistry laboratory, silver tetrafluoroborate, sometimes referred to "silver BF-4", is a useful reagent. In dichloromethane, silver tetrafluoroborate is a moderately strong oxidant. Similar to silver hexafluorophosphate, it is commonly used to replace halide anions or ligands with the weakly coordinating tetrafluoroborate anions. The abstraction of the halide is driven by the precipitation of the corresponding silver halide.

References

  1. "Silver tetrafluoroborate". pubchem.ncbi.nlm.nih.gov. Retrieved 15 December 2021.
  2. Evgeny Goreshnik, Zoran Mazej, "X-ray single crystal structure and vibrational spectra of AgBF4" Solid State Sciences 2005, Volume 7, pp. 1225–1229. doi:10.1016/j.solidstatesciences.2005.06.007
  3. N. G. Connelly, W. E. Geiger (1996). "Chemical Redox Agents for Organometallic Chemistry". Chemical Reviews. 96 (2): 877–910. doi:10.1021/cr940053x. PMID 11848774.
Silver compounds
Silver(0,I)
Silver(I)
Organosilver(I) compounds
  • AgC2H3O2
  • AgC22H43O2
  • CH3CH(OH)COOAg
  • C
    18H
    36AgO
    2
  • AgC4H3N2NSO2C6H4NH2
  • AgC
    11H
    23COO
    • Silver(II)
    Silver(III)
    Silver(I,III)
    Salts and covalent derivatives of the tetrafluoroborate ion
    HBF4 He
    LiBF4 Be B C7H7BF4
    BF4
    BF4
    (TEDA)BF4     		NOBF4
    NO2BF4
    NH4BF4     		O F Ne
    NaBF4 Mg(BF4)2 Al Si P S Cl Ar
    KBF4 Ca(BF4)2 Sc Ti V (BF4)3
    (BF4)2     		Mn(BF4)2 Fe(BF4)2
    FeO(BF4)2
    BF4     		Co(BF4)2 Ni(BF4)2
    (BF4)2     		Cu(BF4)2 Zn(BF4)2 Ga Ge As Se Br Kr
    RbBF4 Sr(BF4)2 Y Zr Nb (BF4)4
    (BF4)4     		(BF4)4 (BF4)2 (BF4)3
    (BF4)4     		(BF4)2 AgBF4 Cd(BF4)2 In(BF4)3 Sn(BF4)2 Sb Te (IPy2)BF4 Xe
    CsBF4 Ba(BF4)2 * Lu Hf Ta W Re Os Ir Pt(BF4)2 Au Hg(BF4)2 TlBF4 Pb(BF4)2 Bi Po At Rn
    Fr Ra ** Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og
     
    * La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb
    ** Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No


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