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
• Benzo[1,2-c:4,5-c′]difuran-1,3,5,7-tetraone
• Benzol-1,2:4,5-tetracarbonsaeuredianhydrid
• Dianhidrido Benceno-1,2:4,5-Tetracarboxilico
• Dianhydride benzene-1,2:4,5-tetracarboxylique
• Nsc 4798
• Pmda
• Pmda-M
• Pyromellitic 1,2:4,5-dianhydride
• Pyromellitic acid anhydride
• Pyromellitic acid dianhydride
• Pyromellitic anhydride

Pyromellitic Dianhydride (purified by sublimation)

CAS: 89-32-7

Formula: C₁₀H₂O₆

Purity: >99.0%(T)(HPLC)

Color and Shape: White to Almost white powder to crystal

Molecular weight: 218.12

Ref: 3B-P2103

Pyromellitic Dianhydride

CAS: 89-32-7

Formula: C₁₀H₂O₆

Purity: >98.0%(T)

Color and Shape: White to Light yellow powder to crystal

Molecular weight: 218.12

Ref: 3B-B0040

Pyromellitic dianhydride, 98%

CAS: 89-32-7

Pyromellitic dianhydride is used as a monomer in the preparation of polyimide polymers such as kapton; thermoplastics such as polyesters, polyethers, plasticizers, and expoxy resins. It is involved in the preparation of high performance coatings due to its mechanical, thermal and oxidative stability

Formula: C₁₀H₂O₆

Purity: 98%

Molecular weight: 218.12

Ref: 02-045788

Pyromellitic dianhydride, 97%

CAS: 89-32-7

Pyromellitic dianhydride is used as a monomer in the preparation of polyimide polymers such as kapton; thermoplastics such as polyesters, polyethers, plasticizers, and expoxy resins. It is involved in the preparation of high performance coatings due to its mechanical, thermal and oxidative stability

Formula: C₁₀H₂O₆

Purity: 97%

Color and Shape: Crystals or powder or crystalline powder, White to pale cream

Molecular weight: 218.12

Ref: 02-A12712

Benzene-1,2,4,5-tetracarboxylic acid dianhydride

CAS: 89-32-7

Benzene-1,2,4,5-tetracarboxylic acid dianhydride

Formula: C₁₀H₂O₆

Purity: 98%

Color and Shape: white to off white crystalline solid

Molecular weight: 218.11928g/mol

Ref: 54-OR4903

Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetraone

CAS: 89-32-7

Purity: 97.0%

Color and Shape: Solid, Crystalline Powder or Powder

Molecular weight: 218.1199951171875

Ref: 10-F211032

Pyromellitic Dianhydride (PMDA) extrapure, 98%

CAS: 89-32-7

Formula: C₁₀H₂O₆

Purity: min. 98%

Color and Shape: White to pale cream, Crystalline powder/ powder

Molecular weight: 218.12

Ref: SR-97079