3-Oxopropanoic acid

3-Oxopropanoic acid
Names
	Preferred IUPAC name 3-Oxopropanoic acid
	Other names malonic semialdehyde, formylacetic acid, 3-oxopropanoate
Identifiers
CAS Number	926-61-4 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	1741700
ChEBI	CHEBI:17960;
ChemSpider	845;
Gmelin Reference	164397
KEGG	C00222;
PubChem CID	868;
UNII	9K1T0U0R4C;
CompTox Dashboard (EPA)	DTXSID90239064;
	InChI InChI=1S/C3H3O3/c4-2-1-3(5)6/h1H2,(H,5,6)/q-1 Key: HBHVBGOPNWLCDZ-UHFFFAOYSA-N;
	SMILES C([C-]=O)C(=O)O;
Properties
Chemical formula	C3H4O3
Molar mass	88.062 g·mol−1
Density	1.258 g/cm3
Boiling point	237.3 °C (459.1 °F; 510.4 K)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Flash point	111.6 °C
Related compounds
Related compounds	2,3-dioxopropanoic acid; propanoic acid; 2-methylpropanoic acid;
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

3-Oxopropanoic acid (also malonic semialdehyde or formylacetic acid) is an organic chemical compound that carries both a carboxylic acid function and an aldehyde function.