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HomeProduct name listSilver trifluoroacetate

Silver trifluoroacetate

Synonym(s):Silver trifluoroacetate;Trifluoroacetic acid silver salt

  • CAS NO.:2966-50-9
  • Empirical Formula: C2AgF3O2
  • Molecular Weight: 220.88
  • MDL number: MFCD00013199
  • EINECS: 221-004-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-04-23 13:52:06
Silver trifluoroacetate Structural

What is Silver trifluoroacetate?

Chemical properties

light beige to grey crystalline powder

The Uses of Silver trifluoroacetate

Silver Trifluoroacetate functions as a catalyst in the synthesis of cyclobutene-fused azepines/dihydropyridines.

What are the applications of Application

Silver trifluoroacetate is a Lewis acid catalyst

What are the applications of Application

Silver trifluoroacetate is the silver salt of trifluoroacetic acid and is used as a Lewis acid catalyst. It is used as an important raw material for the preparation of triethylsilyl trifloroacetate and triphenylmethyl trifluoroacetate. Further, it is used as a catalyst in the preparation of 4-iodoveratrole from veratrole by reacting with iodine.

Synthesis

Silver trifluoroacetate is prepared by the reaction of silver oxide and trifluoroacetic acid.
Reaction equation: Ag2O+2CF3COOH→2CF3COOAg+H2O
Reaction: 187g (0.81mol) of silver oxide was weighed and suspended in 200mL of water, and 177g (1.55mol) of trifluoroacetic acid was added. After filtration, the filtrate was evaporated to dryness under reduced pressure. The residue was extracted with ether in a Soxhlet extractor. Alternatively, dissolve the residue in 1.2L of ether and filter through a thin layer of activated carbon. After distilling off the ether, 300g of the product was obtained with a yield of 83%.

Purification Methods

The extract is filtered and evaporated to dryness, then the powdered residue is completely dried in a vacuum desiccator over silica gel. Its solubility in Et2O is 33.5g in 750mL. It can be recrystallised from *C6H6 (solubility is: 1.9g in 30mL of *C6H6, and 33.5g will dissolve in 750mL of anhydrous Et2O). [Traynham & Dehn J Org Chem 23 1545 1958, Haszeldine J Chem Soc 584 1951.] Store it in the dark. It is also soluble in trifluoroacetic acid (15.2% at 30o), toluene, o-xylene and dioxane [Hara & Cady J Am Chem Soc 76 4285 1954]. [Beilstein 2 IV 461.]

Properties of Silver trifluoroacetate

Melting point: 257-260 °C (dec.) (lit.)
storage temp.  Store below +30°C.
form  Crystalline Powder
color  Light beige to gray
Water Solubility  SOLUBLE
Sensitive  Hygroscopic
BRN  3634022
CAS DataBase Reference 2966-50-9(CAS DataBase Reference)
EPA Substance Registry System Acetic acid, trifluoro-, silver(1+) salt (2966-50-9)

Safety information for Silver trifluoroacetate

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Environment
GHS09
GHS Hazard Statements H300:Acute toxicity,oral
H400:Hazardous to the aquatic environment, acute hazard
Precautionary Statement Codes P273:Avoid release to the environment.

Computed Descriptors for Silver trifluoroacetate

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