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  7. Triethylsilyl trifluoromethanesulfonate, 98%

Triethylsilyl trifluoromethanesulfonate, 98%

Catalog No. AAL1447706
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Catalog No. AAL1447706 Supplier Thermo Scientific Chemicals Supplier No. L1447706
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Description

CAS: 79271-56-0 | C7H15F3O3SSi | 264.33 g/mol

Triethylsilyl trifluoromethanesulfonate acts as a silylating agent. It is also useful as a Lewis acid catalyst. Further, it reacts with 1-diazo-3,3-dimethyl-butan-2-one to prepare 1-diazo-3,3-dimethyl-1-(triethylsilyl)-2-butanone.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
Triethylsilyl trifluoromethanesulfonate acts as a silylating agent. It is also useful as a Lewis acid catalyst. Further, it reacts with 1-diazo-3,3-dimethyl-butan-2-one to prepare 1-diazo-3,3-dimethyl-1-(triethylsilyl)-2-butanone.

Solubility
Miscible with dichloromethane, hydrocarbons, dialkyl ethers and halogenated solvents. Immiscible with water.

Notes
Moisture sensitive. Incompatible with strong oxidizing agents and strong acids.

Chemical Identifiers

CAS 79271-56-0
Molecular Formula C7H15F3O3SSi
Molecular Weight (g/mol) 264.33
MDL Number MFCD00000407
InChI Key STMPXDBGVJZCEX-UHFFFAOYSA-N
Synonym triethylsilyl triflate, triethylsilyl trifluoromethanesulphonate, tes triflate, triethylsilyltriflate, triethylsilyltrifluoromethanesulfonate, trifluoromethanesulfonic acid triethylsilyl ester, 1,1,1-triethylsilyl trifluoromethanesulfonate, methanesulfonic acid, trifluoro-, triethylsilyl ester, et3siotf, tesotf
PubChem CID 2733308
IUPAC Name triethylsilyl trifluoromethanesulfonate
SMILES CC[Si](CC)(CC)OS(=O)(=O)C(F)(F)F

Specifications

Density 1.225
Boiling Point 207°C
Flash Point 72°C (161°F)
Refractive Index 1.391
Linear Formula CF3SO3Si(CH2CH3)3
Quantity 5 g
UN Number UN3265
Beilstein 3590541
Sensitivity Moisture sensitive
Solubility Information Miscible with dichloromethane,hydrocarbons,dialkyl ethers and halogenated solvents. Immiscible with water.
Formula Weight 264.33
Percent Purity 98%
Chemical Name or Material Triethylsilyl trifluoromethanesulfonate
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Safety and Handling

Hazard Category H227-H314
Hazard Statement GHS H Statement
H314-H318-H227
Causes severe skin burns and eye damage.
Causes serious eye damage.
Combustible liquid.
Precautionary Statement P210-P260-P264b-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378q-P501c
DOTInformation Transport Hazard Class: 8; Packing Group: II; Proper Shipping Name: CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S.
EINECSNumber 279-124-4
TSCA No
Recommended Storage Keep cold; Store under Nitrogen

RUO – Research Use Only