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3,3',4,4'-Benzophenonetetracarboxylic Dianhydride (purified by sublimation)
(CAS RN:2421-28-5 Product Number:B4260)


3,3',4,4'-Benzophenonetetracarboxylic Dianhydride
Synonym 4,4'-Carbonyldiphthalic Anhydride (purified by sublimation)

General Information

Product Number B4260 化審法:(4)-150

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Purity/Analysis Method >98.0%(GC)
Storage Temperature
M.F. / M.W. C17H6O7=322.23
CAS RN 2421-28-5
Related CAS RN
MDL Number MFCD00005923
Packaging and Container
  • Product Details
  • Safety & Regulations
  • Reference & Application


Purity(GC) min. 98.0 %
Purity(Morpholine Method) min. 96.0 %
Melting point 225.0 to 229.0 deg-C

Data of Reference

λmax 580(CH3CN)(lit.)


Reaxys-RN 761777
PubChem SID 253661496


Signal Word Warning
Hazard Statements
  • H319
  • :Causes serious eye irritation.
  • H335
  • :May cause respiratory irritation.
Precautionary Statements
  • P261
  • :Avoid breathing dust, fume, mist, vapors or spray.
  • P264
  • :Wash hands and face thoroughly after handling.
  • P271
  • :Use only outdoors or in a well-ventilated area.
  • P280
  • :Wear eye protection.
  • P304+P340+P312
  • :If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a poison center or doctor if you feel unwell.
  • P305+P351+P338+P337+P313
  • :If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.
  • P403+P233
  • :Store in a well-ventilated place. Keep container tightly closed.
  • P405
  • :Store locked up.
  • P501
  • :Dispose of contents and container in accordance with local, regional, national regulations (e.g. US: 40 CFR Part 261, EU:91/156/EEC, JP: Waste Disposal and Cleaning Act, etc.).

Compliance with laws, Regulations

ENCS (4)-150


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