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5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione (Molecular Formula: C17H6O7)
Product Name: 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione
CAS Registry Number: 2421-28-5
EINECS: 219-348-1  
Synonyms: 5-(1,3-dioxo-2-benzofuran-5-carbonyl)-2-benzofuran-1,3-dione; 4,4'-Carbonyldiphthalic anhydride; 1,3-Isobenzofurandione; 5,5'-carbonylbis-;2421-28-5; Benzophenonetetracarboxylic acid dianhydride;
Molecular Structure:
Molecular Formula: C17H6O7
Molecular Weight: 322.22534
Density:  1.57
Boiling Point:  320°C 5mm
Melting Point:  219-226 ºC
Flash Point:  324 ºC
Refractive index:  1.699
Risk Codes:  S25
Safety Statements:  R36/37
Hazard Symbols:  Xi: Irritant;
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