ChemNet > CAS > 2421-28-5 3,3',4,4'-Benzophenonetetracarboxylic dianhydride

2421-28-5 3,3',4,4'-Benzophenonetetracarboxylic dianhydride

product Name	3,3',4,4'-Benzophenonetetracarboxylic dianhydride
CAS No	2421-28-5
Synonyms	BTDA; 4,4-Carbonyldiphthalic anhydride; benzophenone-3,3:4,4-tetracarboxylic dianhydride; BTDA; 3,3,4,4-Benzophenontetracarbonsaeuredianhydride; 1,3-Isobenzofurandione, 5,5'-carbonylbis-; 3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride; 3,3',4,4'-Tetracarboxybenzophenone dianhydride; 3,3',4,4'-benzophenonetetracarboxylicaciddianhydride; 3-Isobenzofurandione,5,5'-carbonylbis-1; 4,4'-Carbonylbis[phthalic anhydride]; 4,4'-Diphthalic anhydride ketone; 5,5'-carbonylbis-3-isobenzofurandione; 5,5'-carbonylbis(2-benzofuran-1,3-dione); 3,3',4,4'-Benzophenone tetracarboxylic dianhydride; Benzophenone-3,3',4,4'-tetracarboxylic dianhydride; 3,3,4,4-Benzophenonetetracarboxylic dianhydride
Molecular Formula	C₁₇H₆O₇
Molecular Weight	322.2253
InChI	InChI=1/C17H6O7/c18-13(7-1-3-9-11(5-7)16(21)23-14(9)19)8-2-4-10-12(6-8)17(22)24-15(10)20/h1-6H
EINECS	219-348-1
Molecular Structure
Density	1.662g/cm³
Melting point	219-226℃
Boiling point	638.8°C at 760 mmHg
Refractive index	1.699
Flash point	286.1°C
Water solubility	REACTS
Vapour Pressur	3.25E-16mmHg at 25°C
Hazard Symbols	Xi:Irritant;
Risk Codes	R36/37:;
Safety Description	S25:;
MSDS	Material Safety Data Sheet

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