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BTDA

  Post Date: Dec 26,2021
  Expiry Date: Jun 24,2022
  Detailed Description: Cas No. :2421-28-5

Purity: 98%Min. / 99.5%Min.
Appearance: Light yellow powder / White powder
Packing size: 1kg/bag;20kg/drum ; 115kg/drum
Application: Polyimide foam, epoxy resin material, etc.

For details, please contact the Sales Manager:
Mr.Ye 18222275652; Ms. Cao 18222265956; Sales department: 022-83726202-8855

  CAS Registry Number:

2421-28-5

  Synonyms: ;BTDA;4,4-Carbonyldiphthalic anhydride;benzophenone-3,3:4,4-tetracarboxylic dianhydride;BTDA;3,3,4,4-Benzophenontetracarbonsaeuredianhydride;1,3-Isobenzofurandione, 5,5′-carbonylbis-;3,3′,4,4′-Benzophenonetetracarboxylic acid dianhydride;3,3′,4,4′-Tetracarboxybenzophenone dianhydride;3,3′,4,4′-benzophenonetetracarboxylicaciddianhydride;3-Isobenzofurandione,5,5′-carbonylbis-1;4,4′-Carbonylbis[phthalic anhydride];4,4′-Diphthalic anhydride ketone;5,5′-carbonylbis-3-isobenzofurandione;5,5′-carbonylbis(2-benzofuran-1,3-dione);3,3′,4,4′-Benzophenone tetracarboxylic dianhydride;Benzophenone-3,3′,4,4′-tetracarboxylic dianhydride;3,3,4,4-Benzophenonetetracarboxylic dianhydride;
  Molecular Formula: C17H6O7
  Molecular Weight: 322.2253
  Molecular Structure: 2421-28-5 3,3',4,4'-Benzophenonetetracarboxylic dianhydride

  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37:;
  Safety Description: S25:;

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