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MilliporeSigma

142859

Sigma-Aldrich

Difluoroacetic acid

98%

Sinónimos:

1,1-Difluoroacetic acid, 2,2-Difluoroacetic acid

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About This Item

Fórmula lineal:
F2CHCO2H
Número de CAS:
Peso molecular:
96.03
Beilstein/REAXYS Number:
1098588
EC Number:
MDL number:
UNSPSC Code:
12352106
PubChem Substance ID:
NACRES:
NA.22

assay

98%

form

liquid

refractive index

n20/D 1.344 (lit.)

bp

132-134 °C (lit.)

mp

−1 °C (lit.)

density

1.526 g/mL at 25 °C (lit.)

SMILES string

OC(=O)C(F)F

InChI

1S/C2H2F2O2/c3-1(4)2(5)6/h1H,(H,5,6)

InChI key

PBWZKZYHONABLN-UHFFFAOYSA-N

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General description

Difluoroaceticacid is a monocarboxylic acid and an organofluorine compound. Difluoroaceticacid is easy-to-handle reagent, useful for obtaining difluoromethyl substituents. Difluoroacetic acid can be used asdifluoromethylating reagent for the direct C−H difluoromethylation ofheteroaromatic compounds.

Application

Used in the preparation of 2-difluoromethylbenzimidazoles, -oxazoles and -thiazoles from ortho-substituted anilines mediated by triphenylphoshine.

pictograms

CorrosionExclamation mark

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1A

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

172.4 °F - closed cup

flash_point_c

78 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter


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Tetrahedron Letters, 48, 3251-3251 (2007)
Brian M Wagner et al.
Journal of chromatography. A, 1489, 75-85 (2017-02-19)
To facilitate mass transport and column efficiency, solutes must have free access to particle pores to facilitate interactions with the stationary phase. To ensure this feature, particles should be used for HPLC separations which have pores sufficiently large to accommodate
N Illy et al.
Comptes rendus des seances de la Societe de biologie et de ses filiales, 175(2), 242-246 (1981-01-01)
Our experiments were carried out in normal and streptozotocin-diabetic rats. The effects of sodium difluoroacetate (DFA) at the dose of 40 mg/kg daily were studied on the blood and retinal lactate levels; these effects were compared to those of an
The direct C--H difluoromethylation of heteroarenes based on the photolysis of hypervalent iodine (III) reagents that contain difluoroacetoxy ligands
Sakamoto R. et al.
Organic Letters, 19(19), 5126-5129 (2017)
Difluoroacetic acid as a new reagent for direct C- H difluoromethylation of heteroaromatic compounds
Tung TT, et al.
Chemistry?A European Journal , 23(72), 18125-18128 (2017)

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