Chemical formula: C₄F₆O₃
Molecular weight: ~210.02 g/mol
Appearance: Colorless to pale yellow liquid
Odor: Pungent, corrosive
Boiling point: ~39–40 °C
Density: ~1.49 g/cm³ (20 °C)
Reactivity: Strong acylating agent; reacts violently with water
Key Applications
Powerful trifluoroacetylation reagent
Used in pharmaceutical and fine chemical synthesis
Activation of carboxylic acids and alcohols
Intermediate for fluorinated compounds