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Benzoic acid, 4,4'-[1,4-phenylenebis(methylidynenitrilo)]bis-, also known as 4,4'-(1,4-phenylenebis(methylene))bis(benzoic acid) or simply 4,4'-Bis(benzoic acid), is a white crystalline solid with the chemical formula C20H16O4. It is a bis-benzoic acid derivative, featuring two benzoic acid units connected by a methylene bridge across a 1,4-phenylene group. Benzoic acid, 4,4'-[1,4-phenylenebis(methylidynenitrilo)]bis- is primarily used as a monomer in the synthesis of polyimides, which are high-performance polymers with excellent thermal stability, mechanical properties, and chemical resistance. These polyimides find applications in various industries, including aerospace, electronics, and automotive, where they are used in the production of films, adhesives, and composite materials.

3782-70-5

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3782-70-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3782-70-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,8 and 2 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3782-70:
(6*3)+(5*7)+(4*8)+(3*2)+(2*7)+(1*0)=105
105 % 10 = 5
So 3782-70-5 is a valid CAS Registry Number.

3782-70-5SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 18, 2017

Revision Date: Aug 18, 2017

1.Identification

1.1 GHS Product identifier

Product name N,N'-terephthalylidenebis(p-aminobenzoic acid)

1.2 Other means of identification

Product number -
Other names α,α'-Bis-(4-carboxy-phenylimino)-p-xylol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:3782-70-5 SDS

3782-70-5Relevant academic research and scientific papers

A nanoscale Cu-metal organic framework with Schiff base ligand: Synthesis, characterization and investigation catalytic activity in the oxidation of alcohols

Aryanejad, Sima,Bagherzade, Ghodsieh,Farrokhi, Alireza

, p. 37 - 42 (2017)

Nanostructures of a new copper-based metal-organic framework with a Schiff base ligand as an organic linker, Cu2 (bdda) (OAc)2·1H2O (H2bdda?=?4,4′-[benzene-1,4-diylbis (methylylidenenitrilo)] dibenzoic acid), wa

Nitrogen-doped carbon-enriched MOF and derived hierarchical carbons as electrode for excellent asymmetric aqueous supercapacitor

Huang, Dongdong,Chen, Li,Yue, Liguo,Yang, Fan,Guo, Hao,Yang, Wu

, (2021/02/16)

This article aims to use nitrogen-doped metal p-π conjugated-organic frameworks and derived carbon-rich electrode materials for high-performance electrode materials. Nitrogen-doped contributes to the energy storage performance, and the p-π conjugated-organic ligands of the conjugated system can not only improve the stability of the structure, but increase the conductivity of the material. Gradient carbonization can explore the maximum electrochemical potential of MOF-B, from which the previous 1271.0 increased to 2727.5 F·g?1 at a current density of 1.0 A·g?1. The excellent capacitance retention rate is 86.67% of the initial value at a high current density after 20,000 cycles. Besides, the MOF-B-600//AC also shows a high energy density of 63.62 Wh·kg?1 at a power density of 400 W·kg?1 and good coulomb efficiency of 90.7%. As a result, the excellent electrochemical performance of the nitrogen-doped and carbon-enriched MOF-B-600 has potential application prospects in energy storage devices.

Design and development of novel Co-MOF nanostructures as an excellent catalyst for alcohol oxidation and Henry reaction, with a potential antibacterial activity

Aryanejad, Sima,Bagherzade, Ghodsieh,Moudi, Maryam

, (2019/03/17)

The novel metal–organic framework Co2(bdda)1.5(OAc)1·5H2O (UoB-3) was synthesized via a simple method at room temperature. UoB-3 was characterized by the different methods, including X-ray diffraction (XRD), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), Fourier transform infrared spectroscopy (FT-IR), N2-adsorption/desorption and elemental analysis. The catalytic ability of UoB-3 was detected to be excellent for primary and secondary alcohols oxidation reaction with high yields under solvent-free conditions. Moreover, UoB-3 was highly active for Henry reaction of different aldehydes with nitromethane in water as a green solvent. The nanocatalyst can be recycled for five consecutive cycles without losing its activity and structural rigidity. The antibacterial activity of UoB-3 nanostructures towards Gram-negative bacteria, Escherichia coli and Gram-positive bacteria, Bacillus cereus was also evaluated by using an inhibition zone test. These nanostructures exhibited strong antibacterial effect against both of them. The purpose of this study was the developing metal–organic framework materials with the enhanced activity in various fields.

Efficient and recyclable novel Ni-based metal–organic framework nanostructure as catalyst for the cascade reaction of alcohol oxidation–Knoevenagel condensation

Aryanejad, Sima,Bagherzade, Ghodsieh,Farrokhi, Alireza

, (2018/02/07)

A novel Ni-based metal–organic framework (Ni-MOF) with a Schiff base ligand as an organic linker, Ni3(bdda)2(OAc)2?6H2O (H2bdda?=?4,4′-[benzene-1,4-diylbis(methylylidenenitrilo)]dibenzoic acid), was synthesized and characterized using powder X-ray powder diffraction, thermogravimetric analysis, Brunauer–Emmett–Teller measurements, inductively coupled plasma atomic emission spectroscopy, transmission electron microscopy, elemental analysis and Fourier transform infrared spectroscopy. The synthesized Ni-MOF exhibited a high catalytic activity in benzyl alcohol oxidation using tert-butyl hydroperoxide under solvent-free conditions. Also, the efficiency of the catalyst was investigated in the cascade reaction of oxidation–Knoevanagel condensation under mild conditions. The Ni-MOF catalyst could be recovered and reused four times without significant reduction in its catalytic activity.

Spectroscopic, antiproliferative and antiradical properties of Cu(II), Ni(II), and Zn(II) complexes with amino acid based Schiff bases

Genc, Zuhal Karagoz,Selcuk, Sibel,Sandal, Suleyman,Colak, Naki,Keser, Serhat,Sekerci, Memet,Karatepe, Mustafa

, p. 2476 - 2485 (2014/05/06)

Novel six Cu(II), Ni(II), and Zn(II) complexes with Schiff bases derived from 4-aminobenzoic acid with terephtaldehyde and amino acids (glycine, β-alanine). Structures have been proposed from elemental analysis, UV-Vis, IR, NMR, TGA, DTA, and magnetic mea

The stereochemical behavior of terephthalic schiff bases in addition of dialkyl or diaryl phosphites

Lewkowski, Jaroslaw

, p. 179 - 195 (2007/10/03)

Addition of dialkyl (or diaryl) phosphites to N-alkyl terephthalic Schiff bases led exclusively to a meso-form but addition to N-aryl terephthalic Schiff bases depended on the substituent of the aryl group. Semi-empirical calculations were involved to fin

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