Description

Benzenamine, 4,4′-[1,3-phenylenebis(oxy)]bis- (CAS No. 2479-46-1) is a high-purity aromatic diamine compound with the molecular formula C₁₈H₁₆N₂O₂. Also known as 1,3-Bis(4-aminophenoxy)benzene or 4,4′-(m-Phenylenedioxy)dianiline, this specialized chemical is widely utilized in advanced polymer synthesis, particularly for high-performance polyimides and epoxy resins. Its unique structure, featuring two amine-terminated phenoxy groups linked via a meta-substituted benzene ring, enables exceptional thermal stability and mechanical properties in engineered materials. This product is supplied as a crystalline solid with ≥98% purity (HPLC), ensuring consistency for research and industrial applications. Ideal for use in aerospace composites, electronic encapsulants, and adhesives requiring high-temperature resistance.

Properties

• CAS Number: 2479-46-1
• Complexity: 293
• IUPAC Name: 4-[3-(4-aminophenoxy)phenoxy]aniline
• InChI: InChI=1S/C18H16N2O2/c19-13-4-8-15(9-5-13)21-17-2-1-3-18(12-17)22-16-10-6-14(20)7-11-16/h1-12H,19-20H2
• InChI Key: WUPRYUDHUFLKFL-UHFFFAOYSA-N
• Exact Mass: 292.121177757
• Molecular Formula: C18H16N2O2
• Molecular Weight: 292.3
• SMILES: C1=CC(=CC(=C1)OC2=CC=C(C=C2)N)OC3=CC=C(C=C3)N
• Topological: 70.5
• Monoisotopic Mass: 292.121177757
• Synonyms: 1,3-Bis(4-aminophenoxy)benzene, 2479-46-1, Benzenamine, 4,4′-[1,3-phenylenebis(oxy)]bis-, Resorcinol oxydianiline, 4,4′-(m-Phenylenedioxy)dianiline, 1,3-Phenylene-di-4-aminophenyl ether, CCRIS 6684, ANILINE, p,p’-(m-PHENYLENEDIOXY)DI-, BRN 0423316, Benzenamine, 4,4′-(1,3-phenylenebis(oxy))bis-, 628-902-5, 4,4′-(1,3-Phenylenedioxy)dianiline, 4-[3-(4-aminophenoxy)phenoxy]aniline, RODA, 1,3-Phenylenedi(4-aminophenyl ether), Resorcinol Bis(4-aminophenyl) Ether, MFCD00039154, 1,3-Bis(4-aminophenoxy)benzene(TPE-R), MLS000719868, DTXSID8051914, SMR000304397, 4,4′-(1,3-Phenylenedioxy)dianiline, 98%, 4,4-(1,3-phenylenedioxy)dianiline, Maybridge3_000438, ChemDiv2_000189, Cambridge id 5128045, Oprea1_569946, SCHEMBL63594, CBDivE_002807, YSWG194, cid_17201, 1,3-bis(p-aminophenoxy)benzene, CHEMBL1332684, DTXCID3030476, BDBM54332, HMS1369I13, HMS1432D20, Tox21_303941, CCG-49444, STK286018, AKOS001483293, AC-7484, CS-W012180, FB62666, 4-[3-(4-azanylphenoxy)phenoxy]aniline, IDI1_011825, NCGC00245802-01, NCGC00357178-01, BS-16766, SY036265, 1,3-Bis(4-aminophenoxy)benzene (TPE-R), 4-[3-(4-Aminophenoxy)phenoxy]phenylamine, CAS-2479-46-1, DB-046547, ST4012787, [4-[3-(4-aminophenoxy)phenoxy]phenyl]amine, 4,4′-[benzene-1,3-diylbis(oxy)]dianiline, 4-[3-(4-Aminophenoxy)phenoxy]phenylamine #, B1680, NS00126471, F10211, SR-01000389385, SR-01000389385-1, SR-01000389385-2, BRD-K79389499-001-12-1, 4,4 inverted exclamation mark -(1,3-Phenylenedioxy)dianiline

Application

This compound serves as a critical monomer in the synthesis of thermally stable polyimides for flexible printed circuits and high-temperature adhesives. Its bifunctional reactivity enables crosslinking in epoxy formulations, enhancing mechanical strength in composite materials. Researchers also employ it as a building block for advanced polymer architectures in optoelectronic applications.

Safety and Hazards

GHS Hazard Statements

• H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
• H315 (98.1%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (98.1%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (98.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (100%)
• Skin Irrit. 2 (98.1%)
• Eye Irrit. 2 (98.1%)
• STOT SE 3 (98.1%)

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