Silver tetrafluoroborate

Names
	IUPAC name Silver tetrafluoridoborate(1–)
	Other names Borate(1-), tetrafluoro-, silver(1+); Argentous tetrafluoroborate
Identifiers
CAS Number	14104-20-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	140438 ;
ECHA InfoCard	100.034.491
EC Number	237-956-5;
PubChem CID	159722;
RTECS number	ED2875000;
CompTox Dashboard (EPA)	DTXSID40884548 ;
	InChI InChI=1S/Ag.BF4/c;2-1(3,4)5/q+1;-1 Key: CCAVYRRHZLAMDJ-UHFFFAOYSA-N ; InChI=1/Ag.BF4/c;2-1(3,4)5/q+1;-1 Key: CCAVYRRHZLAMDJ-UHFFFAOYAH;
	SMILES [Ag+].F[B-](F)(F)F;
Properties
Chemical formula	AgBF4
Molar mass	194.673 g/mol
Appearance	Off-white powder
Odor	almost odorless
Density	4.16 g/cm3
Melting point	71.5 °C (160.7 °F; 344.6 K) (monohydrate)
Solubility in water	soluble
Hazards
Safety data sheet (SDS)	External MSDS
	GHS labelling:
Pictograms
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)	3 0 0
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	(what is ?)
	Infobox references

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.^[2]

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.^[3] 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 appropriate silver halide.

References[]

^ "Silver tetrafluoroborate". pubchem.ncbi.nlm.nih.gov. Retrieved 15 December 2021.
^ 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
^ 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.

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[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.

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