Zinc trifluoromethanesulfonate
Synonym(s):Zn(OTf)2;Zinc triflate;Zinc trifluoromethylsulfonate;Bis(trifluoromethanesulfonato)zinc;Trifluoromethanesulfonic acid zinc salt
- CAS NO.：54010-75-2
- Empirical Formula: C2F6O6S2Zn
- Molecular Weight: 363.53
- MDL number: MFCD00013229
- EINECS: 258-922-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-14 09:15:19
What is Zinc trifluoromethanesulfonate?
Chemical properties
white to light-grey powder
The Uses of Zinc trifluoromethanesulfonate
Zinc trifluoromethanesulfonate acts as a catalyst for the preparation of dithioketals. It is used as a Lewis acid catalyst in silylation reactions. It is also used as a catalyst for greener amine synthesis by reductive amination with hydrogen gas.
What are the applications of Application
Zinc trifluoromethanesulfonate is a catalyst for synthesis of dithioketals
Synthesis
Triflic acid (0.056mol) was added dropwise to a suspension of zinc carbonate (0.02 mol)in dry methanol (20 ml) at room temperature. During the addition, CO2 was evolved. The mixture was stirred at 25°C for 20 minutes and refluxed for 2 h. The clear solution was cooled to 25°C and concentrated under reduced pressure. The resulting white powder was dried at 125°C for 2 h to afford Zinc trifluoromethanesulfonate (Zn(OTf)2 )(98% yield).
Purification Methods
It should be dried at 125o for 2hours at 3mm before use. It is soluble in CH2Cl2 but insoluble in pet ether. [Corey & Shimoji Tetrahedron Lett 24 169 1983.]
Properties of Zinc trifluoromethanesulfonate
| Melting point: | ≥300 °C(lit.) |
| storage temp. | Inert atmosphere,Room Temperature |
| form | Powder |
| color | White to light-gray |
| Water Solubility | Soluble in water and acetonitrile. Slightly soluble in methanol. Insoluble in dichloromethane. |
| Sensitive | Hygroscopic |
| BRN | 4028195 |
| Stability: | hygroscopic |
| InChI | InChI=1S/2CHF3O3S.Zn/c2*2-1(3,4)8(5,6)7;/h2*(H,5,6,7);/q;;+2/p-2 |
| CAS DataBase Reference | 54010-75-2(CAS DataBase Reference) |
| EPA Substance Registry System | Methanesulfonic acid, trifluoro-, zinc salt (54010-75-2) |
Safety information for Zinc trifluoromethanesulfonate
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H318:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P310:Immediately call a POISON CENTER or doctor/physician. P301+P330+P331:IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for Zinc trifluoromethanesulfonate
| InChIKey | CITILBVTAYEWKR-UHFFFAOYSA-L |
| SMILES | C(F)(F)(F)S(=O)(=O)[O-].C(F)(F)(F)S([O-])(=O)=O.[Zn+2] |
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