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680-15-9 - Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 97% - H52745 - Alfa Aesar

H52745 Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 97%

CAS Number
680-15-9
Synonyms

Size Price ($) Quantity Availability
5g 36.12
25g 174.00
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Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate, 97%

MDL
MFCD00144316

Chemical Properties

Formula
C3H3F3O4S
Formula Weight
192.11
Boiling Point
117-118°
Flash Point
47°(117°F)
Density
1.509
Refractive Index
1.351

Applications

Methyl 2,2-difluoro-2-(fluorosulfonyl)acetate is a useful reagent for the trifluoromethylation of alkyl halides. It is also broadly applicable reagent for perfluoroalkylations for aryl iodides and bromides.

Notes

Stable under recommended storage conditions. Incompatible with oxidizing agents and bases.

Literature References

Charles S.Thomoson; Henry Martinez; William R.Dolbier Jr. The use of methyl 2,2-difluoro-2-(fluorosulfonyl)acetate as the difluorocarbene source to generate an in situ source of difluoromethylene triphenylphosphonium ylide. Journal of Fluorine Chemistry. 2013, 150, 53-59

 

Steffen Eusterwiemann; Henry Martinez; William R.Dolbier Jr. Methyl 2,2-Difluoro-2-(fluorosulfonyl)acetate, a difluorocarbene reagent with reactivity comparable to that of trimethylsilyl 2,2-difluoro-2-(fluorosulfonyl)acetate (TFDA). J. Org. Chem. 2012, 77, (12),5461-5464

GHS Hazard and Precautionary Statements

Hazard Statements: H314-H318-H226

Causes severe skin burns and eye damage. Causes serious eye damage. Flammable liquid and vapour.

Precautionary Statements: P210-P260-P280-P303+P361+P353-P305+P351+P338-P301+P330+P331-P304+P340-P310-P405-P501a

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not breathe dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Immediately call a POISON CENTER or doctor/physician. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Beilstein
1812896
Hazard Class
8
Packing Group
II
Harmonized Tariff Code
2915.90
TSCA
No

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