2,2-Difluoro-2-(fluorosulfonyl)acetic acid

ALDRICH/531413 - 97%

Synonym: (Fluorosulfonyl)difluoroacetic acid

CAS Number: 1717-59-5
Empirical Formula (Hill Notation): C₂HF₃O₄S
Molecular Weight: 178.09
MDL Number: MFCD01320807
Linear Formula: FSO₂CF₂CO₂H
Product Type: Chemical

Catalog Number	PKG Qty.	Price	Quantity


45-531413-25G	25 g	$196.00 1/EA		Add To Favorites

Properties
Descriptions
Safety Info.
Basic Data

assay	97%
bp	153 °C (lit.)
density	1.723 g/mL at 25 °C (lit.)
InChI	1S/C2HF3O4S/c3-2(4,1(6)7)10(5,8)9/h(H,6,7)
InChI key	VYDQUABHDFWIIX-UHFFFAOYSA-N
reaction suitability	reaction type: click chemistry
refractive index	n20/D 1.36 (lit.)
SMILES string	OC(=O)C(F)(F)S(F)(=O)=O

Application:	2,2-Difluoro-2-(fluorosulfonyl)acetic acid may be used in the following processes: • Preparation of 1-difluoromethyl-2-oxo-1,2-dihydropyridine analogs by reacting with the corresponding 2-chloropyridines. • Prepration of silyl fluorosulfonyldifluoroacetate as new highly efficient difluorocarbene reagent for cyclopropanation of alkenes. • Regio- and stereoselective free radical fluoroalkylation of terminal alkenes and alkynes with iododifluoromethanesulfonamides.
General description:	2,2-Difluoro-2-(fluorosulfonyl)acetic acid reagent is employed as a difluorocarbene source for difluoromethylation of phenolic hydroxyl groups.
Packaging:	25 g in glass bottle

Symbol	GHS05,GHS06
Signal word	Danger
Hazard statements	H300 + H310 - H314
Precautionary statements	P270 - P280 - P301 + P330 + P331 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
Hazard Codes	T+,C
Risk Statements	27/28-35
Safety Statements	28-36/37/39-45
RIDADR	UN 2927 8(6.1) / PGI
WGK Germany	WGK 3
Flash Point(F)	230.0 °F - closed cup
Flash Point(C)	110 °C - closed cup

Purity	97%
bp	153 °C (lit.)
Density	1.723 g/mL at 25 °C (lit.)
Refractive Index	n20/D 1.36 (lit.)
UNSPSC	12352100

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