Trimethylsilyl trifluoromethanesulfonate

Modify Date: 2025-08-21 20:36:49

Trimethylsilyl trifluoromethanesulfonate Structure
Trimethylsilyl trifluoromethanesulfonate structure
Common Name Trimethylsilyl trifluoromethanesulfonate
CAS Number 27607-77-8 Molecular Weight 222.258
Density 1.3±0.1 g/cm3 Boiling Point 140.0±35.0 °C at 760 mmHg
Molecular Formula C4H9F3O3SSi Melting Point N/A
MSDS Chinese USA Flash Point 38.5±25.9 °C
Symbol GHS02 GHS05
GHS02, GHS05
Signal Word Danger

 Names

Name Trimethylsilyl trifluoromethanesulfonate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 140.0±35.0 °C at 760 mmHg
Molecular Formula C4H9F3O3SSi
Molecular Weight 222.258
Flash Point 38.5±25.9 °C
Exact Mass 221.999374
PSA 51.75000
LogP 2.54
Vapour Pressure 7.8±0.2 mmHg at 25°C
Index of Refraction 1.379
Storage condition 2-8°C
Water Solubility REACTS

 Safety Information

Symbol GHS02 GHS05
GHS02, GHS05
Signal Word Danger
Hazard Statements H226-H314
Supplemental HS Reacts violently with water.
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Faceshields;full-face respirator (US);Gloves;Goggles;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes C:Corrosive
Risk Phrases R10;R14;R34
Safety Phrases S16-S26-S36/37/39-S45-S8
RIDADR UN 2920 8/PG 2
WGK Germany 3
Packaging Group III
Hazard Class 3
HS Code 29310095

 Synthetic Route

 Customs

HS Code 2931900090
Summary 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

 Articles33

More Articles
Trimethylsilyl trifluoromethanesulfonate-promoted reductive 2'-O-arylmethylation of ribonucleoside derivatives.

Nucleosides Nucleotides Nucleic Acids 30(6) , 446-56, (2011)

Arylmethyl groups such as benzyl, p-methoxybenzyl, and 1-pyrenylmethyl groups were introduced to the 2'-O-position of nucleosides by reductive etherification. Combining corresponding aromatic aldehyde...

Trimethylsilyl trifluoromethanesulfonate (TMSOTf) assisted facile deprotection of N,O-acetonides.

J. Org. Chem. 73(2) , 752-5, (2008)

Employing TMSOTf as an easily available reagent, we have developed a mild and efficient method for the deprotection of both terminal and internal N,0-acetonide functionalities. Various regularly used ...

Nucleophilic substitution at the anomeric position of 1,2-O-isopropylidenefuranose derivatives. A novel stereoselective synthesis of cyclic phosphates analogous to cAMP.

Carbohydr. Res. 341(18) , 2883-90, (2006)

1,2-O-Isopropylidenefuranose derivatives were treated with various nucleophiles in the presence of either BF(3).OEt(2) or trimethylsilyl trifluoromethanesulfonate (TMSOTf) leading to substitution prod...

 Synonyms

MFCD00000406
Trifluoromethanesulfonic acid trimethylsilylester
Trimethylsilyl Trifluoromethanesulfonate [Trimethylsilylating Agent]
Methanesulfonic acid, trifluoro-, trimethylsilyl ester
Methanesulfonic acid, 1,1,1-trifluoro-, trimethylsilyl ester
trifluoromethanesulfonic acid trimethylsilyl ester
Trimethylsilyl Triflate
[(Trifluoromethane-sulfonyl)oxy]trimethylsilane
trimethylsilyl trifluoromethane-sulphonate
trifluoromethanesulphonic acid trimethylsilyl ester
EINECS 248-565-4
Silane TMS-triflate
Trimethylsllytrifluoromethanesulphonate
Trimethylsilyl trifluoromethanesulfonate
TMS-OTf
TMS triflate
Trimethylsilyl trifluoromethylsulfonate
TMSOTf
trimethylsilyl trifluoromethylsulphonate
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