Description

3,3′-(Biphenyl-4,4′-diylbis(oxy))dianiline (CAS No. 105112-76-3) is a high-purity aromatic diamine compound with the molecular formula C₂₄H₂₀N₂O₂. This specialized chemical features a biphenyl core symmetrically substituted with oxy-linked aniline groups, making it a valuable building block for advanced polymer synthesis and material science applications. The compound’s rigid biphenyl structure combined with reactive amine termini enables its use as a monomer for high-performance polyimides, epoxy resins, and other thermally stable polymers. With a molecular weight of 368.43 g/mol, this off-white to light yellow crystalline powder is characterized by excellent thermal stability and solubility in common organic solvents. Our product is rigorously tested to ensure ≥98% purity (HPLC) and is supplied with full analytical documentation including ¹H NMR, HPLC chromatograms, and mass spectrometry data. Suitable for research scale applications and specialty chemical synthesis, each batch is carefully packaged under inert atmosphere to ensure stability and longevity.

Properties

• CAS Number: 105112-76-3
• Complexity: 416
• IUPAC Name: 3-[4-[4-(3-aminophenoxy)phenyl]phenoxy]aniline
• InChI: InChI=1S/C24H20N2O2/c25-19-3-1-5-23(15-19)27-21-11-7-17(8-12-21)18-9-13-22(14-10-18)28-24-6-2-4-20(26)16-24/h1-16H,25-26H2
• InChI Key: UCQABCHSIIXVOY-UHFFFAOYSA-N
• Exact Mass: 368.152477885
• Molecular Formula: C24H20N2O2
• Molecular Weight: 368.4
• SMILES: C1=CC(=CC(=C1)OC2=CC=C(C=C2)C3=CC=C(C=C3)OC4=CC=CC(=C4)N)N
• Topological: 70.5
• Monoisotopic Mass: 368.152477885
• Synonyms: 3,3′-(Biphenyl-4,4′-diylbis(oxy))dianiline, EC 700-102-1, 3,3′-[biphenyl-4,4′-diylbis(oxy)]dianiline, 700-102-1, 105112-76-3, 4,4′-BIS(3-AMINOPHENOXY)BIPHENYL, 3,3′-([1,1′-Biphenyl]-4,4′-diylbis(oxy))dianiline, 3-[4-[4-(3-aminophenoxy)phenyl]phenoxy]aniline, 4,4-BIS(3-AMINOPHENOXY)BIPHENYL(43BAPOBP), 4,4-BIS(3-AMINOPHENOXY)BIPHENYL (BAPB-M), 3-{4-[4-(3-aminophenoxy)phenyl]phenoxy}aniline, SCHEMBL203512, DTXSID70668237, MFCD00357502, AKOS025311131, AS-11797, CS-0378037, E79398, 3,3′-[[1,1′-biphenyl]-4,4′-diyl-bis-(oxy)]-bis-benzeneamine, 3,3a(2)-[[1,1a(2)-Biphenyl]-4,4a(2)-diylbis(oxy)]bis[benzenamine]

Application

This bifunctional aromatic amine serves as a key monomer in the synthesis of high-temperature resistant polyimides for aerospace and electronics applications. The compound’s rigid biphenyl structure contributes to enhanced thermal stability in resulting polymers, making it valuable for flexible printed circuit boards and advanced composite materials. Researchers utilize this diamine for developing novel epoxy curing agents that improve mechanical properties in high-performance adhesives. The symmetrical structure also makes it suitable for creating liquid crystalline polymers with unique optical properties.

Safety and Hazards

GHS Hazard Statements

• H315 (50%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (50%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H413 (50%): May cause long lasting harmful effects to aquatic life [Hazardous to the aquatic environment, long-term hazard]

Precautionary Statements

• P264, P264+P265, P273, P280, P302+P352, P305+P351+P338, P321, P332+P317, P337+P317, P362+P364, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (50%)
• Eye Irrit. 2 (50%)
• Aquatic Chronic 4 (50%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.