164283
Methyl trifluoromethanesulfonate
≥98%
Synonym(s):
Methyl triflate
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About This Item
Linear Formula:
CF3SO2OCH3
CAS Number:
Molecular Weight:
164.10
UNSPSC Code:
12352108
NACRES:
NA.22
PubChem Substance ID:
EC Number:
206-371-7
Beilstein/REAXYS Number:
774772
MDL number:
Assay:
≥98%
Form:
liquid
Quality Level
assay
≥98%
form
liquid
refractive index
n20/D 1.326 (lit.)
bp
94-99 °C (lit.)
density
1.45 g/mL at 25 °C (lit.)
functional group
fluoro, triflate
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 is a strong methylating reagent, commonly used for the pre-methylation of polysaccharides under mild basic conditions.
Application
Methyl trifluoromethanesulfonate can be used as a methylation reagent:
- In the determination of polysulfides, zerovalent sulfur in sulfide-rich water wells, and polysulfide species in electrolyte of a lithium–sulfur battery using chromatography-based techniques.
- In reactions with potassium enolates.
- For the conversion of amines to methyl ammonium triflates.
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signalword
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
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
非剧毒-急性毒性1
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Oliver Schuster et al.
Inorganic chemistry, 45(20), 7997-7999 (2006-09-27)
Two cationic carbene complexes with no heteroatom in the ring containing the carbene carbon, trans-bromo(2-methyl-2,6-dihydroisoquinolin-6-ylidene)bis(triphenylphosphine)palladium(II) triflate (3) and trans-chloro(1,2-dimethyl-1,7-dihydroquinolin-7-ylidene)bis(triphenylphosphine)palladium(II) triflate (4), were synthesized by oxidative substitution of Pd(PPh3)4 with N-methylated 6-bromoisoquinolinium and 7-chloro-2-methylquinolinium cations, respectively. Compound 3 was also prepared
Ring Expansions of 2-Alkenylazetidinium Salts-a New Route to Pyrrolidines and Azepanes
Couty F, et al.
European Journal of Organic Chemistry, 2006(18), 4214-4223 (2006)
Quantitative and Qualitative Determination of Polysulfide Species in the Electrolyte of a Lithium?Sulfur Battery using HPLC ESI/MS with One?Step Derivatization
Zheng D, et al.
Advanced Energy Materials, 5(16) (2015)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 164283-50G | 04061838748058 |
| 164283-250G | 04061833397930 |
| 164283-10G | 04061838748041 |