Identification | ||
Name | 3,3',4,4'-Benzophenonetetracarboxylic dianhydride | |
Synonyms | Benzophenone-3,3',4,4'-tetracarboxylic dianhydride; 4,4'-Carbonyldiphthalic anhydride; BTDA | |
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Molecular Structure |
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Molecular Formula | C17H6O7 | |
Molecular Weight | 322.23 | |
CAS Registry Number | 2421-28-5 | |
EINECS | 219-348-1 | |
Properties | ||
Melting point | 219-226 ºC | |
Sublimation | 220-230 ºC | |
Flash point | 324 ºC |