Diethyl maleate

Diethyl maleate
Names
	Preferred IUPAC name Diethyl (2Z)-but-2-enedioate
Identifiers
CAS Number	141-05-9;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:68508;
ChemSpider	4436353;
ECHA InfoCard	100.004.957
EC Number	205-451-9;
PubChem CID	5271566;
UNII	G81WQB56OL;
CompTox Dashboard (EPA)	DTXSID8020464 ;
	InChI InChI=1S/C8H12O4/c1-3-11-7(9)5-6-8(10)12-4-2/h5-6H,3-4H2,1-2H3/b6-5- Key: IEPRKVQEAMIZSS-WAYWQWQTSA-N;
	SMILES CCOC(=O)/C=C\C(=O)OCC;
Properties
Chemical formula	C8H12O4
Molar mass	172.180 g·mol−1
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H317, H319, H412
Precautionary statements	P261, P264, P272, P273, P280, P302+P352, P305+P351+P338, P321, P333+P313, P337+P313, P363, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Diethyl maleate is an organic compound with the CAS Registry number 141-05-9. It is chemically a maleate ester with the formula C₈H₁₂O₄. It is a colorless liquid at room temperature. It has the IUPAC name of diethyl (Z)-but-2-enedioate.