Description

p-Pyromellitide is a high-purity, specialized organic compound derived from pyromellitic acid, serving as a critical intermediate in advanced polymer synthesis. Its rigid, aromatic structure is essential for imparting exceptional thermal stability and mechanical strength to high-performance materials. This product is primarily sought by manufacturers in the polymer and specialty chemical industries for developing polyimides, epoxy curing agents, and other high-temperature resins.

Application

• Polyimide Monomer: A key building block for the synthesis of high-performance polyimide resins and films, valued for their thermal and chemical resistance in aerospace and electronics.
• Epoxy Curing Agent/Modifier: Used to create advanced epoxy systems with enhanced heat resistance, rigidity, and durability for composite materials and coatings.
• Specialty Polymer Intermediate: Employed in the production of polyamides, polyesters, and other engineering plastics requiring high thermal stability.
• Chemical Synthesis: Acts as a versatile precursor or intermediate in organic synthesis for pharmaceuticals and agrochemicals.
• Research & Development: Utilized in academic and industrial R&D for developing new polymeric materials with tailored properties.

Basic Information

Product Name	p-Pyromellitide
CAS No.	16776-76-4
Molecular Formula	C10H4N2O4
Molecular Weight	216.15 g/mol
Synonyms	Pyromellitic Diimide; 1H,3H-Benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone; 1,2,4,5-Benzenetetracarboximide; Benzo[1,2-c:4,5-c']difuran-1,3,5,7(3aH,7aH)-tetrone; PMDI; Pyromellitimide
EINECS	240-826-5

Quality Control

Our p-Pyromellitide is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR spectroscopy, to ensure it meets exacting specifications for high-performance applications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to guarantee traceability and batch-to-batch consistency.

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 oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
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.