Description

3,3',4,4'-Tetraaminodiphenylmethane (TADM) is a high-purity aromatic tetraamine monomer of significant industrial importance. Its primary value lies in its role as a critical building block for the synthesis of high-performance polymers, particularly polyimides and polybenzimidazoles. This compound is essential for manufacturers in the advanced materials, electronics, and aerospace sectors seeking to produce resins and films with exceptional thermal stability and mechanical strength. The product is supplied with rigorous quality control to ensure batch-to-batch consistency for demanding synthesis processes.

Application

• Polyimide Precursor: A key monomer for the production of high-temperature, high-strength polyimide resins and films used in flexible printed circuits (FPC), semiconductors, and aerospace components.
• Polybenzimidazole (PBI) Synthesis: Essential for manufacturing PBI, a polymer known for extreme thermal and chemical resistance, used in protective apparel and high-performance filtration.
• Epoxy Curing Agent: Functions as a high-performance curing agent for epoxy resin systems, enhancing their thermal and mechanical properties for advanced composites.
• Crosslinking Agent: Used in the production of specialized adhesives, coatings, and elastomers that require enhanced durability and heat resistance.
• Chemical Intermediate: Serves as a versatile intermediate in organic synthesis for pharmaceuticals, agrochemicals, and dyes.
• Research & Development: Utilized in academic and industrial R&D for developing novel polymeric materials and specialty chemicals.

Basic Information

Product Name	3,3',4,4'-Tetraaminodiphenylmethane (TADM)
CAS No.	1779-05-1
Molecular Formula	C13H16N4
Molecular Weight	228.29 g/mol
Synonyms	4,4'-Methylenebis(1,2-benzenediamine); 4,4'-Methylenebis(o-phenylenediamine); 3,3'-Diaminobenzidine; TADM; TADPA; MBOPD; Tetraaminodiphenylmethane; Bis(3,4-diaminophenyl)methane
EINECS	217-218-5

Quality Control

Our 3,3',4,4'-Tetraaminodiphenylmethane is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for polymer synthesis. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, color, and impurity profiles. We are committed to supply chain reliability and consistent product quality to support your critical manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and easily oxidized; for long-term storage, consider using an inert atmosphere (e.g., nitrogen or argon) to maintain purity and prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light brown to purple crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	175 - 185 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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