208361

Silver tetrafluoroborate

98%

• Synonym(s): Silver borofluoride
• Linear Formula: AgBF₄
• CAS Number: 14104-20-2
• Molecular Weight: 194.67
• EC Number: 237-956-5
• MDL number: MFCD00003408
• UNSPSC Code: 12161600
• PubChem Substance ID: 24852510
• NACRES: NA.22

Properties

• Assay: 98%
• reaction suitability: core: silver; reagent type: catalyst
• mp: 70-73 °C (lit.)
• SMILES string: [Ag+].F[B-](F)(F)F
• InChI: 1S/Ag.BF4/c;2-1(3,4)5/q+1;-1
• InChI key: CCAVYRRHZLAMDJ-UHFFFAOYSA-N

Description

General description

Silver tetrafluoroborate (AgBF₄) is used as a Lewis acid in organic synthesis. It is known to have a high affinity towards organic halides. It is employed in organic reactions like activation of acyl chlorides, nucleophilic substitution, rearrangement, cycloaddition, cyclization, ring expansion and oxidation.

Application

Gold Catalysts — 21st Century ′Gold Rush′

Displaces chloride from precious metal complexes used in the oxidation of alcohols by persulfate.

Provides a silver-ion template for improved macrolatamization of a linear dipeptide.

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P260 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Eye Dam. 1 - Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves