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Trifluoroacetic anhydride (TFAA) is the acid anhydride of trifluoroacetic acid. It is the perfluorinated derivative of acetic anhydride. Like many acid anhydrides, it may be used to introduce the corresponding trifluoroacetyl group. The corresponding acyl chloride, trifluoroacetyl chloride, is a gas, making it inconvenient to work with. Trifluoroacetic anhydride is the recommended desiccant for trifluoroacetic acid.
Appearance & Physical State	colourless liquid
Density	1.641
Melting Point	-63.5ºC
Boiling Point	38-40ºC
Flash Point	-26ºC
Refractive Index	1.269
Water Solubility	Hydrolysis
Stability	Stable, but moisture sensitive. Reacts with water to liberate hydrogen (flammable). Incompatible with water, strong oxidizing agents.
Storage Condition	2-8ºC
Vapor Pressure	6.28 psi ( 20 °C)

Appearance	Colorless liquid Colorless liquid
Purity	≥ 99.0%

Appearance: Colorless liquid Colorless liquid | Purity: ≥ 99.0% | Package: 50kg

Molecular Formula: C4F6O3
Molecular Weight: 210.03
Hazard Symbols: C,T
UN Number: UN 3265 8/PG 1
WGKGermany: 2
PackingGroup: I
HS Code: 29159080

Assay: ≧99.0%
Appearance: Colorless liquid
Packaging: 250 Kg/drum

MDL: MFCD00000416
MF: C4F6O3
MW: 210,03