Description

4,4'-Diamino-2,2'-Dinitrodiphenylmethane is a high-purity aromatic diamine derivative with a unique nitro-substituted structure. This compound serves as a critical intermediate in the synthesis of advanced polymers and specialty chemicals, offering precise reactivity for controlled molecular assembly. It is primarily required by manufacturers in the polymer, epoxy resin, and high-performance materials sectors for developing products with tailored thermal and mechanical properties.

Application

• Polymer Intermediate: A key monomer for synthesizing specialized polyimides, polyamides, and other high-temperature polymers.
• Epoxy Curing Agent: Used as a curing agent or hardener component in advanced epoxy resin systems, contributing to cross-linking density.
• Dye and Pigment Synthesis: Serves as a precursor in the manufacture of complex organic dyes and pigments.
• Pharmaceutical Intermediate: Employed in the research and development of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Liquid Crystal Polymers (LCPs): A building block in the production of monomers for liquid crystal polymers used in electronics.
• Adhesive and Composite Formulations: Incorporated into formulations for high-strength adhesives and composite materials.
• Corrosion Inhibitor Precursor: Used in the synthesis of compounds that function as corrosion inhibitors for industrial applications.
• Research & Development: Utilized in academic and industrial R&D for exploring new materials and chemical reactions.

Basic Information

Product Name	4,4'-Diamino-2,2'-Dinitrodiphenylmethane
CAS No.	26946-33-8
Molecular Formula	C13H12N4O4
Molecular Weight	288.26 g/mol
Synonyms	2,2'-Dinitro-4,4'-diaminodiphenylmethane; 4,4'-Methylenebis(2-nitroaniline); Bis(2-nitro-4-aminophenyl)methane; 4,4'-Diamino-2,2'-dinitrodiphenylmethane; DNMDA; MBNA; 2-Nitro-4-aminophenylmethane derivative; 4,4'-Diamino-2,2'-dinitro-diphenyl-methane
EINECS	Contact for details

Quality Control

Our 4,4'-Diamino-2,2'-Dinitrodiphenylmethane is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. Due to its chemical nature, it is recommended to handle and store this material under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Single Impurity (HPLC)	≤ 1.0%

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