Basic

CAS No.	4792-29-4
Product Name	5-Carboxyphthalide
Synonyms	1,3-dihydro-1-oxoisobenzofuran-5-carboxylic acid; 1-oxo-1,3-dihydro-2-benzofuran-5-carboxylic acid
Molecular Formula	C9H6O4
Molecular Weight	178.1415

Physical property

Density	1.502g/cm3
Boiling point	481.1°C at 760 mmHg
Flash point	206.3°C
Refractive index	1.635