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18503

Methyl trifluoromethanesulfonate

derivatization grade (GC derivatization), LiChropur™, 98.0%

Synonym(s):

Methyl triflate

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About This Item

Linear Formula:
CF3SO2OCH3
CAS Number:
333-27-7
Molecular Weight:
164.10
UNSPSC Code:
41116105
NACRES:
NA.22
PubChem Substance ID:
329751681
EC Number:
206-371-7
Beilstein/REAXYS Number:
774772
MDL number:
MFCD00000409
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grade

derivatization grade (GC derivatization)

Quality Segment

100

assay

≥98.0% (GC), 98.0%

form

liquid

quality

LiChropur™

reaction suitability

reagent type: derivatization reagent
reaction type: Acylations

technique(s)

gas chromatography (GC): suitable

refractive index

n20/D 1.326 (lit.), n20/D 1.327

bp

94-99 °C (lit.)

density

1.45 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

COS(=O)(=O)C(F)(F)F

InChI

1S/C2H3F3O3S/c1-8-9(6,7)2(3,4)5/h1H3

InChI key

OIRDBPQYVWXNSJ-UHFFFAOYSA-N

General description

Methyl trifluoromethanesulfonate (Methyl triflate) is a strong methylating agent. It is also a powerful alkylating agent and a strong irritant.
Shown to be the most effective monomethylating agent in reactions with potassium enolates.
Useful methylation reagent for the conversion of amines to methyl ammonium triflates.

Application

Methyl trifluoromethanesulfonate was used in the synthesis of 2-Benzyloxy-1-methylpyridinium trifluoromethanesulfonate.

Legal Information

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

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Danger

Hazard Classifications

Acute Tox. 1 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk

WGK 3

flash_point_f

100.4 °F - closed cup

flash_point_c

38 °C - closed cup

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