Description

Mellitic Dianhydride is a high-purity, versatile aromatic dianhydride monomer essential for advanced polymer synthesis. Its rigid benzenehexacarboxylic acid core structure enables the creation of materials with exceptional thermal stability and mechanical properties. This compound is a critical building block for researchers and manufacturers in the high-performance polymer and specialty chemical sectors seeking to develop next-generation polyimides, epoxy curing agents, and other advanced materials.

Application

• Polyimide Synthesis: A key monomer for producing high-temperature, high-strength polyimide resins and films used in aerospace, electronics, and flexible circuitry.
• Epoxy Curing Agent: Functions as a high-performance hardener for epoxy resin systems, enhancing thermal resistance and mechanical strength in advanced composites and coatings.
• Specialty Polymer Additive: Imparts rigidity and thermal stability to various polymer backbones, improving performance in demanding environments.
• Chemical Intermediate: Serves as a precursor for synthesizing complex organic molecules, ligands, and metal-organic frameworks (MOFs) in research and development.
• Advanced Material Research: Used in academic and industrial R&D for developing new classes of heat-resistant polymers, adhesives, and insulating materials.

Basic Information

Product Name	Mellitic Dianhydride
CAS No.	38784-63-3
Molecular Formula	C12O9
Molecular Weight	288.12 g/mol
Synonyms	Benzene-1,2,3,4,5,6-hexacarboxylic dianhydride; Mellitic Acid Dianhydride; Benzenehexacarboxylic Dianhydride; 1,2,3,4,5,6-Benzenhexacarboxylic Acid Dianhydride; Hexahydroxybenzene Dianhydride (derivative); Benzenepolycarboxylic Acid Dianhydride
EINECS	Contact for details

Quality Control

Our Mellitic Dianhydride is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay (HPLC), identification (IR), and impurity profiling, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and amines.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	< 20 ppm

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