Basic

CAS No.	703-59-3
Product Name	Homophthalic anhydride
Synonyms	1,3-Isochromandione; benzoglutaric anhydride; 1H-isochromene-1,3(4H)-dione; o-Carboxyphenylacetic acid cyclic anhydride~1,3-Isochromanedione
Molecular Formula	C9H6O3
Molecular Weight	162.1421

Physical property

Density	1.347g/cm3
Melting point	140-144℃
Boiling point	324.5°C at 760 mmHg
Flash point	159°C
Refractive index	1.584

Hazard Symbols	Xi:Irritant;
Risk Codes	R36/37/38:Irritating to eyes, respiratory system and skin.;
Safety Description	S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.; S37/39:Wear suitable gloves and eye/face protection.;