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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

Technical parameters:

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