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Difluoroacetic acid

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Difluoroacetic acid Basic information

Product Name:
Difluoroacetic acid
Synonyms:
  • 2,2-DIFLUOROACETIC ACID
  • 1,1-DIFLUOROACETIC ACID
  • VITAS-BB TBB000649
  • DIFLUOROACETIC ACID
  • Acetic acid, difluoro-
  • difluoro-aceticaci
  • DIFLUOROACETATE
  • Difluoroaceticacid98%
CAS:
381-73-7
MF:
C2H2F2O2
MW:
96.03
EINECS:
206-839-0
Product Categories:
  • Pharmaceutical Intermediates
  • Small molecule
  • Organic Fluorides
  • Fluorinated Building Blocks
  • Fluorinating Reagents & Building Blocks for Fluorinated Biochemical Compounds
  • Synthetic Organic Chemistry
  • Chemical Synthesis
  • Organic Acids
  • Synthetic Reagents
Mol File:
381-73-7.mol
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Difluoroacetic acid Chemical Properties

Melting point:
-1 °C (lit.)
Boiling point:
132-134 °C (lit.)
Density 
1.526 g/mL at 25 °C (lit.)
vapor pressure 
11.7hPa at 25℃
refractive index 
n20/D 1.344(lit.)
Flash point:
174 °F
storage temp. 
2-8°C
solubility 
540.54g/L in organic solvents at 20 ℃
form 
Liquid
pka
pK1:1.33 (25°C)
color 
Clear colorless to light brown
Specific Gravity
1.527 (20℃)
Water Solubility 
1000g/L at 37℃
BRN 
1098588
InChIKey
PBWZKZYHONABLN-UHFFFAOYSA-N
LogP
0.601 at 37℃
CAS DataBase Reference
381-73-7(CAS DataBase Reference)
NIST Chemistry Reference
Difluoroacetic acid(381-73-7)
EPA Substance Registry System
Acetic acid, difluoro- (381-73-7)
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Safety Information

Hazard Codes 
C
Risk Statements 
34-35
Safety Statements 
26-36/37/39-45
RIDADR 
UN 3265 8/PG 2
WGK Germany 
3
RTECS 
AG9900000
Hazard Note 
Corrosive
TSCA 
T
HazardClass 
8
PackingGroup 
II
HS Code 
29159080

MSDS

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Difluoroacetic acid Usage And Synthesis

Chemical Properties

clear colorless to light brown liquid

Uses

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

Definition

ChEBI: A monocarboxylic acid that is acetic acid in which two of the methyl hydrogens are substituted by fluorines.

Flammability and Explosibility

Non flammable

Purification Methods

Purify the acid by distilling over P2O5. The acid chloride is a fuming liquid b 25o/atm, and the amide has b 108.6o/35mm, m 52o (from *C6H6), and the anilide has b 90o/1mm, 114o/5mm, m 58o [Henne & Pelley J Am Chem Soc 74 1426 1952, Coffman et al. J Org Chem 14 749 1949, NMR: Meyer et al. J Am Chem Soc 75 4567 1953, pK: Wegscheider Z Phys Chem 69 614 1909]. [Beilstein 2 IV 455.]

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