2479-46-1

Basic information

• Product Name: 4,4'-(1,3-Phenylenedioxy)dianiline
• Synonyms: 4,4-(1,3-PHENEDIOXY)DIANILINE;Benzenamine, 4,4'-[1,3-phenylenebis(oxy)]bis-;4,4'-[1,3-phenylenebis(oxy)]dianiline;4,4'-(m-Phenylenebisoxy)bis(aniline);4,4'-(m-Phenylenebisoxy)dianiline;4,4'-(m-Phenylenedioxy)bisaniline;4,4'-[1,3-Phenylenebis(oxy)]bisaniline;1,3'-Bis(4-aminophenoxyl)benzene (1,3,4-APB,TPE-R)
• CAS NO: 2479-46-1
• Molecular Formula: C₁₈H₁₆N₂O₂
• Molecular Weight: 292.33
• EINECS: 1308068-626-2
• Product Categories: Electronic Chemicals;Miscellaneous;Diphenyl Ethers (for High-Performance Polymer Research);Functional Materials;Reagent for High-Performance Polymer Research;Amine Monomers;Monomers;Primary Amines
• Mol File: 2479-46-1.mol
• Article Data: 7

Chemical Properties

• Melting Point: 115-118 °C(lit.)
• Boiling Point: 434.27°C (rough estimate)
• Flash Point: 270.9 °C
• Appearance: /
• Density: 1.1925 (rough estimate)
• Refractive Index: 1.5700 (estimate)
• Storage Temp.: Keep in dark place,Inert atmosphere,Room temperature
• Solubility: very faint turbidity in Acetonitrile
• PKA: 5.06±0.10(Predicted)
• CAS DataBase Reference: 4,4'-(1,3-Phenylenedioxy)dianiline(CAS DataBase Reference)
• NIST Chemistry Reference: 4,4'-(1,3-Phenylenedioxy)dianiline(2479-46-1)
• EPA Substance Registry System: 4,4'-(1,3-Phenylenedioxy)dianiline(2479-46-1)

Safety Data

• Hazard Codes: Xn
• Statements: 22-36/37/38
• Safety Statements: 26-36
• WGK Germany: 3
• RTECS: BY8236000
• Hazardous Substances Data: 2479-46-1(Hazardous Substances Data)

Usage

Chemical Properties

Light yellow powder

Uses

1,3-Bis(4'-aminophenoxyl)benzene be used for the preparation of a polyimide material.

Upstream product

• 350-46-9 4-Fluoronitrobenzene 
• 13118-94-0 resorcinol-bis(4-nitrophenyl)ether 
• 100-00-5 4-chlorobenzonitrile 
• 108-46-3 recorcinol 

Downstream Products

• 115341-26-9 1,3-bis(4-maleimidophenoxy)-benzene 
• 1418356-69-0 2,8-dioxa-14,17,23,26-tetraoxo-13,16,24,27-tetraazapentacyclo[26.2.2.2^9,12.1^3,7.1^18,22]pentatriacont-3,5,7,9,11,18,20,22,28,30,31,33-dodecaene 
• 1418356-65-6 C₃₂H₃₈N₄O₈ 
• 339004-55-6 C₃₀H₂₂N₄O₂ 

Relevant articles and documents

Novel diisocyano-based dinuclear gold(I) complexes with aggregation-induced emission and mechanochromism characteristics

A series of constitutional isomers containing dinuclear gold(I) units were designed, synthesized and characterized using IR spectrometry, NMR spectroscopy and elemental analysis. The aggregation-induced emission (AIE) characteristics of the complexes were investigated by photoluminescence (PL) and UV/Vis spectroscopy. The results indicated that gold(I) complexes 1-3 exhibited significant AIE phenomena. PL spectroscopy, used to probe their solid-state mechanochromic properties, suggested ortho-isomer luminogen 1 exhibited reversible mechanochromic fluorescence, whereas meta-isomer luminogen 2 showed switchable mechanical force-induced luminescence enhancement behavior. No mechanochromism behavior was observed for para-isomer luminogen 3. Powder X-ray diffraction indicated that the morphology phase conversion between crystalline and amorphous states is responsible for the mechanochromism or mechanical force-induced emission enhancement characteristics.

Synthesis and characterization of macrocyclic compounds with a hydroxyl functional group

A novel [1+1] Schiff-base macrocyclic compound 3 has been synthesized from precursor 1, 1,3-bis(2′-formylphenoxy)-2-propanol, and precursor 2, resorcinol-bis(4-aminophenyl)ether, via condensation and cyclizaction using Ba2+ as template. The macrocycle 3 was further reduced giving saturated macrocycle 4. The structures of 3 and 4 were characterized by elemental analysis, 1H NMR, IR, and MS spectra, and their structures were determined via single crystal X-ray diffraction studies. X-ray diffraction analysis revealed that the macrocyclic compound 3 has a folded conformation, and the corresponding reduced product 4 adopts a twisted and folded conformation due to its flexible nature.

CRYSTALLINE POLYIMIDE FOR MELT MOLDING WITH SATISFACTORY THERMAL STABILITY

A thermoplastic polyimide having good thermal stability, comprising a repeating unit represented by the chemical formula (1), a molecular terminal being composed of the chemical formula (2) and/or chemical formula (3), characterized in that:a melt viscosity ratio calculated by the numerical formula (1) and/or the numerical formula (3) is within a numerical range shown in the numerical formula (2) and/or the numerical formula (4) and 1,3-bis(4-aminophenoxy)benzene represented by the chemical formula (3) for production of the above polyimide, characterized in that the content of an azo compound is from 0.0 to 0.2%. The thermoplastic polyimide of the present invention has excellent characteristics 1○ to 4○ described below. 1○ It is superior in thermal stability on melting. That is, the degree of lowering of the fluidity on melting with a lapse of time is small and it is possible to apply to conventional melt molding. 2○ It has high heat resistance.3○ It is superior in productivity. 4○ It is superior in dimensional accuracy.