Trimethylsilyl Trifluoromethanesulfonate CAS 27607-77-8 Purity >99.0% (GC)
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Chemical Name | Trimethylsilyl Trifluoromethanesulfonate |
Synonyms | TMS Triflate; TMSOTf; Trifluoromethanesulfonic Acid Trimethylsilylester; Trimethylsilyl Triflate; Trifluoromethanesulfonic Acid Trimethylsilyl Ester; TMS-OTf |
CAS Number | 27607-77-8 |
CAT Number | RF-PI2096 |
Stock Status | In Stock, Production Scale Up to Tons |
Molecular Formula | C4H9F3SiSO3 |
Molecular Weight | 222.26 |
Boiling Point | 77℃/80mmHg |
Sensitivity | Moisture & Air Sensitive |
Water Solubility | Reacts |
Hydrolytic Sensitivity | 8: Reacts Rapidly With Moisture, Water, Protic Solvents |
Brand | Ruifu Chemical |
Item | Specifications |
Appearance | Colorless or Light Yellow Transparent Liquid, Stimulating Smell |
Purity / Analysis Method | >99.0% (GC) |
Proton NMR Spectrum | Conforms to Structure |
Fluorine NMR Spectrum | Conforms to Structure |
Density (20℃) | 1.228~1.230 |
Refractive Index n20/D | 1.359~1.361 |
H2O | ≤0.02% |
SO42- | ≤50ppm |
F- | ≤10ppm |
Cl- | ≤50ppm |
Test Standard | Enterprise Standard |
Package: Bottle, 25kg/Barrel, or according to customer's requirement
Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture
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Trimethylsilyl Trifluoromethanesulfonate (CAS: 27607-77-8) is a strong Lewis acid catalyst and efficient silylating agent. Usually used in a Dieckmann-like cyclization of ester-imides and diesters,and also used to prepare difluoroboron triflate etherate a powerful Lewis acid especially in acetonitrile solvent. Trimethylsilyl Trifluoromethanesulfonate is generally used following reactions:1. Silylation. TMSOTf is widely used in the conversion of carbonyl compounds to their enol ethers. The conversion is some 109 faster with TMSOTf/triethylamine than with chlorotrimethylsilane. Trimethylsilyl Trifluoromethanesulfonate is a trialkylsilyl triflate used as a catalyst in organic synthesis. It is used in combination with boron trifluoride eth yl ether to prepare a Lewis acid that is more powerful than its components and especially effective in acetonitrile solvent.
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