Description

N,N’-Bis(4-aminophenyl)terephthalamide (CAS No. 34066-75-6) is a high-purity aromatic diamine derivative with the molecular formula C₂₀H₁₈N₄O₂. This compound features a terephthalic core flanked by two 4-aminophenyl groups, making it a valuable intermediate for advanced polymer synthesis, particularly in the production of high-performance polyamides and polyimides. Its rigid, symmetrical structure contributes to exceptional thermal stability and mechanical strength in engineered materials. Ideal for research and industrial applications requiring precise molecular architecture, this product is supplied with comprehensive analytical documentation (HPLC, NMR) to ensure batch-to-batch consistency. Store under inert conditions to preserve reactivity.

Properties

• CAS Number: 34066-75-6
• Complexity: 430
• IUPAC Name: N1,N4-bis(4-aminophenyl)terephthalamide
• InChI: InChI=1S/C20H18N4O2/c21-15-5-9-17(10-6-15)23-19(25)13-1-2-14(4-3-13)20(26)24-18-11-7-16(22)8-12-18/h1-12H,21-22H2,(H,23,25)(H,24,26)
• InChI Key: RPOHXHHHVSGUMN-UHFFFAOYSA-N
• Exact Mass: 346.14297583
• Molecular Formula: C20H18N4O2
• Molecular Weight: 346.4
• SMILES: C1=CC(=CC=C1C(=O)NC2=CC=C(C=C2)N)C(=O)NC3=CC=C(C=C3)N
• Topological: 110
• Monoisotopic Mass: 346.14297583
• Synonyms: n,n’-bis(4-aminophenyl)terephthalamide, 34066-75-6, N,N’-bis(4-aminophenyl)benzene-1,4-dicarboxamide, 1-N,4-N-bis(4-aminophenyl)benzene-1,4-dicarboxamide, MLS000737301, N1,N4-BIS(4-AMINOPHENYL)BENZENE-1,4-DICARBOXAMIDE, N1,N4-bis(4-aminophenyl)terephthalamide, NSC55152, CBChromo1_000057, NCIOpen2_007525, Oprea1_336488, Oprea1_343778, CBDivE_007383, 1,4-Benzenedicarboxamide, N,N’-bis(4-aminophenyl)-, SCHEMBL1353478, CHEMBL1401801, DTXSID40288269, NSC-55152, STK366639, AKOS005443301, AS-63502, SMR000528255, DS-011729, CS-0327680, ST50889618, A51239, AB00075320-01, N,n-bis(4-aminophenyl)benzene-1,4-dicarboxamide, SR-01000198638, SR-01000198638-1, N-(4-aminophenyl){4-[N-(4-aminophenyl)carbamoyl]phenyl}carboxamide, N,N inverted exclamation mark -bis(4-aminophenyl)benzene-1,4-dicarboxamide

This compound serves as a critical monomer in the synthesis of heat-resistant polyimides for aerospace and electronics applications. Researchers utilize it to develop liquid crystal polymers (LCPs) with anisotropic properties. The dual amine functionality enables crosslinking in epoxy resin formulations, enhancing composite material performance. Pharmaceutical studies explore its potential as a scaffold for kinase inhibitors due to the planar aromatic structure.

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