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Shanghai Rui Yun Chemical Technology Co., Ltd >> Other Intermediate
¡¡¡¡NAME£º3,3',4,4'-Benzophenonetetracarboxylic dianhydride£¨BTDA£©
 CAS NO.2421-28-5
 
CAS
2421-28-5
Structure
Molecular Formula
C17H6O7
Molecular Weight
322.23
Purity(HPLC)
98%
MP£¨¡æ£©
219-226
Appearance
 
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