Description

4,4′-(Piperazine-1,4-diyl)dianiline (CAS No. 7479-12-1) is a high-purity aromatic amine compound with the molecular formula C₁₆H₂₀N₄. This bifunctional organic intermediate features a central piperazine ring symmetrically substituted with para-aminophenyl groups, offering unique electronic and steric properties for advanced synthetic applications. The compound presents as a light-colored crystalline powder with excellent solubility in polar organic solvents such as DMF, DMSO, and dichloromethane. With a molecular weight of 268.36 g/mol, this building block is particularly valuable in pharmaceutical research, polymer chemistry, and materials science. Our product is rigorously characterized by HPLC, NMR, and mass spectrometry to ensure >98% purity, making it suitable for sensitive coupling reactions and as a precursor for polyimide synthesis. Proper storage under inert atmosphere at 2-8°C is recommended to maintain stability.

Properties

• CAS Number: 7479-12-1
• Complexity: 255
• IUPAC Name: 4-[4-(4-aminophenyl)piperazin-1-yl]aniline
• InChI: InChI=1S/C16H20N4/c17-13-1-5-15(6-2-13)19-9-11-20(12-10-19)16-7-3-14(18)4-8-16/h1-8H,9-12,17-18H2
• InChI Key: NRHZAVJNUJCQRL-UHFFFAOYSA-N
• Exact Mass: 268.16879665
• Molecular Formula: C16H20N4
• Molecular Weight: 268.36
• SMILES: C1CN(CCN1C2=CC=C(C=C2)N)C3=CC=C(C=C3)N
• Topological: 58.5
• Monoisotopic Mass: 268.16879665
• Synonyms: 4,4′-(Piperazine-1,4-diyl)dianiline, 985-276-9, 7479-12-1, 4-[4-(4-aminophenyl)piperazin-1-yl]aniline, NSC-401585, 1,4-Bis(4-aminophenyl)-1,4-diazacyclohexane, C16H20N4, NSC401585, FJ4QJV3C4P, Benzenamine, 4,4′-(1,4-piperazinediyl)bis-, YSZC434, SCHEMBL7043679, CHEMBL1946712, DTXSID90322586, 1,4-Bis(p-aminophenyl)piperazine, NRHZAVJNUJCQRL-UHFFFAOYSA-N, 1,4-bis(4-aminophenyl)piperazine, N,N’-Bis(4-aminophenyl)piperazine, MFCD18429867, Piperazine, 1,4-bis(p-aminophenyl)-, DB-184560, 4,4′-(1,4-piperazinediyl)-bisbenzeneamine, 4,4′-(1,4-Piperazinediyl)bis[benzenamine], CS-0170775, F74282, 4-[4-(4-aminophenyl)-1-piperazinyl]phenylamine, Benzenamine, 4,?4′-?(1,?4-?piperazinediyl)?bis-

Application

This compound serves as a versatile intermediate in the synthesis of high-performance polyimides and other thermally stable polymers. Researchers utilize it as a diamine monomer for creating advanced materials with exceptional mechanical and dielectric properties. The bifunctional nature makes it valuable in pharmaceutical research for developing novel drug candidates, particularly in CNS-targeted therapies. Additionally, it finds application in the preparation of dyes and pigments due to its conjugated aromatic system.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]

Precautionary Statements

• P264, P270, P301+P317, P330, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)

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