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Identification number: 8634

Classification Name: Benzophenon-3,3':4,4'-tetracarbonsäuredianhydrid

benzophenone-3,3':4,4'-tetracarboxylic dianhydride
WGK 1
8/10/2017
There is no M-Factor stored in this Database. Please check ECHA for substances with WGK 2 and WGK 3, if an M-Factor has to be regarded.


Benzophenon-3,3':4,4'-tetracarbonsäuredianhydrid 2421-28-5 219-348-1
  • 1,3-Isobenzofurandione, 5,5'-carbonylbis-
  • 3,3',4,4'-Benzophenonetetracarboxylic acid dianhydride
  • 3,3',4,4'-Benzophenonetetracarboxylic anhydride
  • 3,3',4,4'-Benzophenonetetracarboxylic dianhydride
  • 3,3',4,4'-Benzophenontetracarbonsäuredianhydrid
  • 3,3',4,4'-Tetracarboxybenzophenone dianhydride
  • 3,4,3',4'-Benzophenonetetracarboxylic acid anhydride
  • 3,4,3',4'-Benzophenonetetracarboxylic dianhydride
  • 4,4'-Carbonylbis(phthalic anhydride)
  • 4,4'-Carbonyldiphthalic anhydride
  • 4,4'-Diphthalic anhydride ketone
  • 5,5'-Carbonylbis[1,3-isobenzofurandione]
  • Benzophenone-3,3',4,4'-tetracarboxylic acid anhydride
  • Benzophenonetetracarboxylic acid dianhydride
  • Benzophenonetetracarboxylic dianhydride
  • Phthalic anhydride, 4,4'-carbonyldi-
Data from 3/26/2026