Description

Pyromellitic Diimide is a high-purity, versatile organic intermediate derived from pyromellitic dianhydride. This compound matters for its role as a critical building block in the synthesis of advanced polymers and high-performance materials, offering excellent thermal stability and chemical resistance. It is essential for manufacturers in the polymer, electronics, and specialty chemical industries seeking to develop polyimides, epoxy curing agents, and other engineered materials.

Application

• Polyimide Synthesis: A key monomer for producing high-temperature, high-strength polyimide resins and films used in aerospace and electronics.
• Epoxy Curing Agents: Serves as a hardener for epoxy resins, enhancing their thermal and mechanical properties for advanced composites.
• Liquid Crystal Polymers (LCPs): Used as a comonomer in the production of LCPs for precision molded components.
• Organic Semiconductor Materials: Acts as a precursor for n-type semiconductor materials in organic electronic devices.
• Flame Retardant Additives: Incorporated into polymer formulations to improve flame retardancy.
• Chemical Research & Development: Employed as a versatile intermediate in organic synthesis and pharmaceutical research.

Basic Information

Product Name	Pyromellitic Diimide
CAS No.	2550-73-4
Molecular Formula	C10H4N2O4
Molecular Weight	216.15 g/mol
Synonyms	1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone; PMDI; Pyromellitic Bisimide; Pyromellitic Dianhydride Diimide; 1,2,4,5-Benzenetetracarboxylic Diimide; Benzo[1,2-c:4,5-c']difuran-1,3,5,7(3aH,7aH)-tetrone
EINECS	219-842-9

Quality Control

Our Pyromellitic Diimide is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise specifications for high-end industrial applications. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.