2,2,2-Trifluoroacetic acid
TFA is a intermediate of medicines, agricultural chemicals, and the acrylic resin. It also serves as the chemical reaction acylating agent, the heat pump fluid, and one kind of important solvent. Physical and chemical properties：
CASNo. |
76-05-1 |
Molecular Formula |
CF3COOH |
Molecular Weight |
114.03 |
Boiling Point （℃） |
72.4 |
Melting Point（℃） |
-15.4 |
Azeotropic with H20 Boiling Point(20.6% H20)（℃） |
105.5 |
N20D |
1.2850 |
Density 25℃（kg/m3） |
1.477 |
Evaporation enthalpy (KJ/mol) |
33.26 |
Formation enthalpy (KJ/mol) |
-1060土2 |
Analysis |
Requirement |
Purity (% by weight) |
99.5 min |
Water (% by weight) |
0.0400 max |
Fluoride (% by weight) |
0.005 max |
Chloride (% by weight) |
0.05 max |
Vitriol (% by weight) |
0.001 max |