3,3',4,4'-Benzophenonetetracarboxylic dianhydride 97+%

Supplier: Thermo Scientific
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Synonyms: Benzophenone-3,3',4,4'-tetracarboxylic dianhydride

401935000 401930025
ACRO401935000EA 67.2 GBP
ACRO401935000 ACRO401930025
3,3',4,4'-Benzophenonetetracarboxylic dianhydride 97+%
3,3',4,4'-Benzophenonetetracarboxylic dianhydride
Formula: C₁₇H₆O₇
MW: 322.23 g/mol
Melting Pt: 219…226 °C
Storage Temperature: Ambient
MDL Number: MFCD00005923
CAS Number: 2421-28-5
EINECS: 219-348-1

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Specification Test Results

Appearance Yellow to tan Powder
Infrared spectrum Conforms
Melting point 220 to 229 °C
Free acid ≤2.2 %
Titration by coupling ≥97.0 %

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