Acetic formic anhydride

Acetic formic anhydride
Names
	Preferred IUPAC name Acetic formic anhydride
	Other names Acetyloxymethanone[citation needed]; Formyl acetate; Formic acetic anhydride, ethanoic methanoic anhydride
Identifiers
CAS Number	2258-42-6 ;
3D model (JSmol)	Interactive image;
ChemSpider	67812 ;
PubChem CID	75269;
CompTox Dashboard (EPA)	DTXSID80177103 ;
	InChI InChI=1S/C3H4O3/c1-3(5)6-2-4/h2H,1H3 Key: ORWKVZNEPHTCQE-UHFFFAOYSA-N ;
	SMILES CC(=O)OC=O;
Properties
Chemical formula	C3H4O3
Molar mass	88.062 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Acetic formic anhydride is an organic compound with the chemical formula C
₃H
₄O
₃ and a structural formula of H
₃C-(C=O)-O-(C=O)H. It can be viewed as the mixed anhydride of acetic acid and formic acid.

Preparation

Acetic formic anhydride can be produced by reacting sodium formate with acetyl chloride in anhydrous diethyl ether between 23–27 °C.^[2]

Acetic formic anhydride is a formylation agent for amines, amino acids, and alcohols. It is also a starting material for other compounds such as formyl fluoride.^[2]

An example of Acetic formic anhydride being used was in the synthesis of Quazodine (U.S. patent 3,248,292).

^ "Formyl acetate - PubChem Public Chemical Database". The PubChem Project. USA: National Center for Biotechnology Information.
^ ^a ^b Krimen, Lewis I. (1970). "Acetic Formic Anhydride". Organic Syntheses. 50: 1. doi:10.15227/orgsyn.050.0001.

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