Chlorendic acid

Chlorendic acid
Names
	IUPAC name 1,4,5,6,7,7-hexachlorobicyclo[2.2.1]-hept-5-ene-2,3-dicarboxylic acid
	Other names Chlorendic acid, HET acid, hexachloroendomethylenetetrahydrophthalic acid
Identifiers
CAS Number	115-28-6 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:76603 ;
ChemSpider	7968 ;
ECHA InfoCard	100.003.708
KEGG	C19204 ;
PubChem CID	8266;
UNII	IAC1H0N39L ;
CompTox Dashboard (EPA)	DTXSID2020268 ;
	InChI InChI=1S/C9H4Cl6O4/c10-3-4(11)8(13)2(6(18)19)1(5(16)17)7(3,12)9(8,14)15/h1-2H,(H,16,17)(H,18,19) Key: DJKGDNKYTKCJKD-UHFFFAOYSA-N ;
	SMILES C1(C(C2(C(=C(C1(C2(Cl)Cl)Cl)Cl)Cl)Cl)C(=O)O)C(=O)O;
Properties
Chemical formula	C9H4Cl6O4
Molar mass	388.84366
Melting point	232 °C (450 °F; 505 K)
	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

Chlorendic acid, or 1,4,5,6,7,7-hexachlorobicyclo[2.2.1]-hept-5-ene-2,3-dicarboxylic acid, is a chlorinated carboxylic acid used in the synthesis of some flame retardants and polymers. It is a common breakdown product of several organochlorine insecticides.