3,6-Dichlorophthalic anhydride

About This Item

Molecular Formula	C₈H₂Cl₂O₃
CAS Number	4466-59-5

FC-0680736

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Properties

Chemical Identifiers

IUPAC Name	4,7-dichloro-2-benzofuran-1,3-dione
SMILES	C1=CC(=C2C(=C1Cl)C(=O)OC2=O)Cl
InChI Key	HEGLMCPFDADCAQ-UHFFFAOYSA-N
InChI	InChI=1S/C8H2Cl2O3/c9-3-1-2-4(10)6-5(3)7(11)13-8(6)12/h1-2H

Physical Properties

Boiling Point	339.0±22.0 °C at 760 mmHg
Melting Point	188-190 °C(lit.)
Flash Point	159.3±21.3 °C
Density	1.7±0.1 g/cm3

Safety Information

Hazard Class

Warning

Flash Point

159.3±21.3 °C

Please refer to the Safety Data Sheet (SDS) for complete handling, storage, and disposal instructions. Follow all applicable regulations when working with this chemical reagent.