Description

N,N'-Bis(4-Aminophenyl)Benzene-1,4-Dicarboxamide is a high-purity aromatic diamine derivative with a rigid, symmetrical molecular structure. This compound is a critical building block in the synthesis of advanced polymers, particularly high-performance polyimides and polyamides. It is essential for manufacturers in the electronics, aerospace, and specialty coatings industries seeking to develop materials with exceptional thermal stability and mechanical strength.

Application

• High-Performance Polyimide Synthesis: Serves as a key diamine monomer for producing polyimide films and resins used in flexible printed circuits (FPCs), semiconductor coatings, and high-temperature adhesives.
• Advanced Polyamide Production: Used in the creation of aromatic polyamides (aramids) for applications requiring high tensile strength and thermal resistance.
• Liquid Crystal Polymers (LCPs): Acts as a monomeric unit in the production of LCPs for precision molded components in electronics and automotive sectors.
• Epoxy Curing Agent & Modifier: Functions as a curing agent or additive for epoxy resin systems to enhance their thermal and chemical resistance properties.
• Chemical Intermediate for Dyes & Pigments: Utilized in the synthesis of complex organic dyes and pigments, particularly for high-stability colorants.
• Research & Development: Employed in academic and industrial R&D for developing novel polymeric materials and organic compounds.

Basic Information

Product Name	N,N'-Bis(4-Aminophenyl)Benzene-1,4-Dicarboxamide
CAS No.	34066-75-6
Molecular Formula	C20H18N4O2
Molecular Weight	346.39 g/mol
Synonyms	1,4-Benzenedicarboxamide, N,N'-bis(4-aminophenyl)-; 4,4'-Diaminobenzanilide terephthalamide; N,N'-Bis(4-aminophenyl)terephthalamide; Terephthaloyl-bis(4-aminobenzamide); 4-Aminophenyl Terephthalamide; Bis(4-aminophenyl) Terephthalamide; p-Aminophenyl Terephthalamide; Terephthalic Acid Bis(4-aminophenylamide)
EINECS	Contact for details

Quality Control

Our N,N'-Bis(4-Aminophenyl)Benzene-1,4-Dicarboxamide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for polymer-grade applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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