Triethylsilyl Trifluoromethanesulfonate

Basic Information

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CAS Number

79271-56-0

Molecular Formula

C7H15F3O3SSi

Molecular Weight

264.34 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Fine Chemicals Specialty Chemicals UV Stabilizers

Basic Physical Properties

Boiling Point

79°C/12mmHg

Density

1.169 g/mL at 25 °C

Water Solubility

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

Refractive Index

n20/D 1.389(lit.)

SMILES

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CC[Si](CC)(CC)OS(=O)(=O)C(F)(F)F

InChI

InChI=1S/C7H15F3O3SSi/c1-4-15(5-2,6-3)13-14(11,12)7(8,9)10/h4-6H2,1-3H3

InChIKey

STMPXDBGVJZCEX-UHFFFAOYSA-N

LogP

2.857800000000001

Topological Polar Surface Area

43.370000000000005 Å²

Hydrogen Bond Donor/Acceptor

0 / 3

Complexity

281

Safety Information

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GHS Hazard Pictograms

H314

Hazard Statement

H314 Causes severe skin burns and eye damage
Skin corrosion/irritation

Hazard Class

Class 8 Class 8

Sensitiveness

Moisture Sensitive

Synonyms & References

English

Triethylsilyl Triflate
A11203
AMY15603
CS-B0887
Et3SiOTf
LS-13357
A839632
MFCD00000407
Trifluoromethanesulfonic Acid Triethylsilyl Ester
EN300-159832
STMPXDBGVJZCEX-UHFFFAOYSA-
Triethylsilyl trifluromethanesulfonate
TESOTf
Triethylsilyl trifluoromethanesulfonate
SCHEMBL36993
T1689
S17625
TES triflate
triethylsilyl trifluoromethane-sulfonate
Triethylsilyl trifluoromethanesulfonate, 99%
Triethylsilyltriflate
C7H15F3O3SSi
triethylsilyl tris(fluoranyl)methanesulfonate
Triethylsilyl trifluoromethanesulphonate
Methanesulfonic acid, trifluoro-, triethylsilyl ester
AKOS015856666
NS00060547
EINECS 279-124-4
triethylsilyltrifluoromethanesulfonate
DTXSID00229597
Triethylsilyl Trifluoromethanesulfonate, 98%

MDL Number

MFCD00000407

FAQ

What is Triethylsilyl Trifluoromethanesulfonate (CAS: 79271-56-0)?

Triethylsilyl Trifluoromethanesulfonate is a chemical compound with the CAS number 79271-56-0. It is an organosilicon compound that serves as a silylating agent and is commonly used in organic synthesis. Its chemical formula is C9H21F3OSi, and it is a colorless liquid with a pungent odor. It is known for its stability and reactivity in various chemical reactions, particularly in the protection of alcohol groups in molecules.

What are the main uses of Triethylsilyl Trifluoromethanesulfonate (CAS: 79271-56-0)?

Triethylsilyl Trifluoromethanesulfonate is widely used in pharmaceutical research for the synthesis of complex organic molecules. It also finds applications in the chemical industry as a reagent for silylation reactions. In research settings, it is employed in the protection of functional groups and as a source of trifluoromethanesulfonate groups. Its versatility makes it valuable in developing new drugs and materials.

Is Triethylsilyl Trifluoromethanesulfonate (CAS: 79271-56-0) safe?

Triethylsilyl Trifluoromethanesulfonate is considered hazardous and requires careful handling. It is toxic if inhaled or ingested and may cause skin and eye irritation. Safety standards recommend using appropriate personal protective equipment (PPE) and working in a well-ventilated area. While it is commonly used in controlled environments, proper training and adherence to safety protocols are essential to minimize risks.

How should Triethylsilyl Trifluoromethanesulfonate (CAS: 79271-56-0) be stored?

Triethylsilyl Trifluoromethanesulfonate should be stored in a cool, dry, and well-ventilated area, away from heat and direct light. It is best kept in a sealed container at a temperature below 25°C to maintain stability. Due to its reactivity, it should be stored in a flammable and corrosive material-safe location, and kept away from incompatible substances to ensure safety and longevity.