Malondialdehyde

Malondialdehyde
Names
	IUPAC name propanedial
	Other names Malonic aldehyde; Malonodialdehyde; Propanedial; 1,3-Propanedial ; Malonaldehyde ; Malonyldialdehyde
Identifiers
CAS Number	542-78-9 ;
3D model (JSmol)	dialdehyde: Interactive image; enol: Interactive image;
Abbreviations	MDA
ChemSpider	10499 ;
KEGG	C19440 ;
PubChem CID	10964;
UNII	4Y8F71G49Q ;
CompTox Dashboard (EPA)	DTXSID90202556 ;
	InChI InChI=1S/C3H4O2/c4-2-1-3-5/h2-3H,1H2 Key: WSMYVTOQOOLQHP-UHFFFAOYSA-N ; InChI=1/C3H4O2/c4-2-1-3-5/h2-3H,1H2 Key: WSMYVTOQOOLQHP-UHFFFAOYAU;
	SMILES dialdehyde: O=CCC=O; enol: OC=CC=O;
Properties
Chemical formula	C3H4O2
Molar mass	72.063 g·mol−1
Appearance	Needle-like solid
Density	0.991 g/mL
Melting point	72 °C (162 °F; 345 K)
Boiling point	108 °C (226 °F; 381 K)
Hazards
	NIOSH (US health exposure limits):
PEL (Permissible)	none
REL (Recommended)	Ca
IDLH (Immediate danger)	Ca [N.D.]
Related compounds
Related alkenals	Glucic acid; 4-Hydroxynonenal
	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

Malondialdehyde belong to the class of β-dicarbonyls. A colorless solid, malondialdehyde is a highly reactive compound that occurs as the enol. It is a physiological metabolite, and a marker for oxidative stress.