What is formic acetic anhydride?

Formic acetic anhydride is a chemical compound with the molecular formula C4H6O3. It is also known as acetic formic anhydride or allyl-acylformate. It is a colorless, oily liquid that is soluble in most organic solvents.

Formic acetic anhydride is primarily used as a reagent in organic synthesis, particularly in the formation of esters and amides. It is also used as an intermediate in the production of pharmaceuticals and agrochemicals.

However, formic acetic anhydride is also highly reactive and potentially hazardous. It can cause severe skin and eye irritation and should be handled with care. It is also flammable and should be stored away from heat sources and open flames.