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703-59-3 Homophthalic anhydride

product Name Homophthalic anhydride
CAS No 703-59-3
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
InChI InChI=1/C9H6O3/c10-8-5-6-3-1-2-4-7(6)9(11)12-8/h1-4H,5H2
EINECS 211-873-4
Molecular Structure 703-59-3 Homophthalic anhydride
Density 1.347g/cm3
Melting point 140-144℃
Boiling point 324.5°C at 760 mmHg
Refractive index 1.584
Flash point 159°C
Vapour Pressur 0.000244mmHg at 25°C
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.;
MSDS Material Safety Data Sheet