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1,2,4,5-Benzenetetracarboxylic dianhydride

  Post Date: Oct 18,2019
  Expiry Date: Apr 15,2020
  Detailed Description: Cas No. :89-32-7

Product performance

Crude Pyromellitic dianhydride (crude PMDA) is mainly used in the manufacture of polyimide resin, which is used as raw material for high temperature electrical insulating paint. It is also used to prepare epoxy resin curing agent and plasticizer, urea-formaldehyde resin stabilizer, phthalocyanine blue fuel, corrosion inhibitor, instant binder, electronic photography toner, etc.

Product quality index

Purity: ≥ 98.5%

Moisture and impurities:≤ 1.5%

Melting point: ≥ 260 ℃

Packaging and transportation

Packaging: double deck packaging, plastic film for inner layer, and special woven bag for outer layer. It can be measured and packed according to customer needs, and the default net weight is 25kg.

Storage: The product is stored in volume, ventilation warehouse, away from fire, heat source, should be stored separately from oxidants and alkalis, and should be handled lightly to prevent packaging damage.

  CAS Registry Number:


  Synonyms: ;Pyromellitic dianhydride;1,2,4,5-Benzenetetracarboxylic dianhydride;benzene-1,2:4,5-tetracarboxylic dianhydride;PMDA;1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone;Pyromellitic Dianhydride;
  Molecular Formula: C10H2O6
  Molecular Weight: 218.1193
  Molecular Structure: 89-32-7 1,2,4,5-Benzenetetracarboxylic anhydride
  Hazard Symbols:  Xn:Harmful;
  Risk Codes: R41:;
  Safety Description: S22:;

  Company: Puyang Long De Young New Material Co., Ltd.     [ China ]          
  Contact: Manager Zhao
  Tel: 086-393-3267711
  Fax: 086-393-3267711
  Email: Adam.zhao@pyldy.com
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