Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

279471

Sigma-Aldrich

Triethylsilyl trifluoromethanesulfonate

99%

Synonym(s):

TES triflate, Trifluoromethanesulfonic acid triethylsilylester

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
CF3SO3Si(C2H5)3
CAS Number:
79271-56-0
Molecular Weight:
264.34
Beilstein:
3590541
EC Number:
279-124-4
MDL number:
MFCD00000407
UNSPSC Code:
12352001
PubChem Substance ID:
24856890
NACRES:
NA.22

Assay

99%

form

liquid

refractive index

n20/D 1.389 (lit.)

bp

85-86 °C/12 mmHg (lit.)

density

1.169 g/mL at 25 °C (lit.)

functional group

fluoro
triflate

SMILES string

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

InChI

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

InChI key

STMPXDBGVJZCEX-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

Triethylsilylating agent.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

150.8 °F - closed cup

Flash Point(C)

66 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
SHBL3396
SHBF8908V
SHBF8675V
SHBC3362V
51096MKV

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Synthesis, 1-1 (1982)
Aldrichimica Acta, 17, 72-72 (1984)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service