CAS:2421-28-5 |3,3′,4,4′-Benzophenonetetracarboxylic dianhydride
Synonyms:
3,3’,4,4’---二苯酮四酸二酐 (BTDA);3-Isobenzofurandione,5,5’-carbonylbis-1;4,4'-Carbonylbis[phthalic anhydride];4,4'-Diphthalic anhydride ketone;5,5’-carbonylbis-3-isobenzofurandione;Benzophenonetetracarboxylic acid anhydride;Benzophenonetetracarboxylic anhydride;NOTAVAILABLE
Canonical SMILES: C1=CC2=C(C=C1C(=O)C3=CC4=C(C=C3)C(=O)OC4=O)C(=O)OC2=O
HS Code: 29183000
Density:1,57g/cm3
Boiling Point:320°C5mm
Refractive Index:1.6380(estimate)
Flash Point: 324°C
Melting Point: 218-222 °C(lit.)
Appearance: NeedlesorCrystallinePowder
Hazard Codes: Xi
Risk Statements: 36/37
Safety Statements: 25
WGK Germany: 1
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