552-30-7 1,2,4-benzenetricarboxylic anhydride

Product Name	1,2,4-Benzenetricarboxylic anhydride
CAS No.	552-30-7
Synonyms	Trimellitic anhydride; 4-Carboxyphthalic anhydride; 1,3-dioxo-1,3-dihydro-2-benzofuran-5-carboxylic acid
InChI	InChI=1/C9H4O5/c10-7(11)4-1-2-5-6(3-4)9(13)14-8(5)12/h1-3H,(H,10,11)
Molecular Formula	C9H4O5
Molecular Weight	192.1251
Density	1.669g/cm3
Melting point	164-169℃
Boiling point	470.6°C at 760 mmHg
Flash point	201.3°C
Water solubility	DECOMPOSES
Refractive index	1.662
Hazard Symbols	Xn:Harmful;
Risk Codes	R37:; R41:; R42/43:;
Safety	S22:; S26:; S36/37/39:;