164283
Methyl trifluoromethanesulfonate
≥98%
Synonym(s):
Methyl triflate
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About This Item
Linear Formula:
CF3SO2OCH3
CAS Number:
Molecular Weight:
164.10
Beilstein:
774772
EC Number:
MDL number:
UNSPSC Code:
12352108
PubChem Substance ID:
NACRES:
NA.22
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
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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.
Signal Word
Danger
Hazard Statements
Precautionary Statements
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 Code
3 - Flammable liquids
WGK
WGK 3
Flash Point(F)
100.4 °F - closed cup
Flash Point(C)
38 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
危险化学品
非剧毒-急性毒性1
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Couty F, et al.
European Journal of Organic Chemistry, 2006(18), 4214-4223 (2006)
Speciation of polysulfides and zerovalent sulfur in sulfide-rich water wells in southern and central Israel
Kamyshny A, et al.
Aquatic Geochemistry, 14(2), 171-192 (2008)
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)
Analytical Methods in Wood Chemistry, Pulping, and Papermaking (1998)
Purification of Laboratory Chemicals, 6 (2009)
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