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xi-nan fine chemical co.ltd.
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xi-nan fine chemical co.ltd.
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    3, 3' , 4, 4' - benzophenonetetracarboxylic dianhydride
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    3, 3' , 4, 4' - benzophenonetetracarboxylic dianhydride

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    3, 3' , 4, 4' - Benzophenonetetracarboxylic dianhydride Nomenclature: BTDA Molecular Formula C17H6O7 Molecular Weight 322.23 CAS Registry Number: 2421- 28- 5 purity 99% Melting point 219- 226 Sublimation 220- 230 Flash point 324 Water solubility REACTS MSN chemscu@ hotmail.com E- Mail scienceonline@ 163.com http: / / chemscu.en.ecplaza.net
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