CymitQuimica logo

CAS 89-32-7

:

Pyromellitic dianhydride

Description:
Pyromellitic dianhydride (PMDA) is a chemical compound characterized by its structure as a cyclic anhydride derived from pyromellitic acid. It is a white to light yellow crystalline solid at room temperature and is known for its high melting point and low solubility in water. PMDA is primarily used as a precursor in the synthesis of polyimides, which are high-performance polymers with excellent thermal stability, mechanical strength, and chemical resistance. The compound is also utilized in the production of various resins, adhesives, and coatings. PMDA exhibits reactivity due to its anhydride functional groups, allowing it to undergo various chemical reactions, including esterification and amidation. It is important to handle PMDA with care, as it can be a skin and respiratory irritant. Additionally, it is classified as a hazardous substance, necessitating appropriate safety measures during its use and storage. Overall, PMDA plays a significant role in advanced materials science and engineering applications.
Formula:C10H2O6
InChI:InChI=1S/C10H2O6/c11-7-3-1-4-6(10(14)16-8(4)12)2-5(3)9(13)15-7/h1-2H
InChI key:InChIKey=ANSXAPJVJOKRDJ-UHFFFAOYSA-N
SMILES:O=C1C=2C(=CC3=C(C2)C(=O)OC3=O)C(=O)O1
Synonyms:
  • 1, 2, 4, 5-Benzenetetracarboxylic acid anhydride
  • 1,2,4,5-Benzenetetracarboxylic 1,2:4,5-dianhydride
  • 1,2,4,5-Benzenetetracarboxylic acid 1,2:4,5-dianhydride
  • 1,2,4,5-Benzenetetracarboxylic acid dianhydride
  • 1,2,4,5-Benzenetetracarboxylic dianhydride
  • 1,2:4,5-Benzenetetracarboxylic dianhydride
  • 1H,3H-Benzol(1,2-C:4,5-C')Difuran-1,3,5,7-Tetrone
  • 1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone
  • Benzene, 1,2,4,5-Tetracarboxylic Dianhydride
  • Benzene-1,2:4,5-Tetracarboxylic Dianhydride
  • See more synonyms
Found 8 products.