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(E)-Azobenzene-4,4'-dicarboxylic acid, with the molecular formula C14H8N2O4, is a yellow to orange solid that is insoluble in water but soluble in organic solvents. It is a derivative of azobenzene, characterized by the presence of an azo group (-N=N-) in its structure. (E)-Azobenzene-4,4'-dicarboxylic acid is known for its unique chemical and structural properties, which make it a versatile building block in various applications.

71987-42-3

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71987-42-3 Usage

Uses

Used in Organic Synthesis:
(E)-Azobenzene-4,4'-dicarboxylic acid is used as a building block for the synthesis of various organic compounds. Its unique azo group allows for the creation of a wide range of chemical structures, making it a valuable component in the development of new molecules with specific properties.
Used in Dye and Pigment Production:
Due to its color properties, (E)-Azobenzene-4,4'-dicarboxylic acid is utilized in the production of dyes and pigments. Its ability to produce vibrant colors makes it a suitable candidate for use in the coloring of various materials, including textiles and plastics.
Used in Materials Science:
(E)-Azobenzene-4,4'-dicarboxylic acid's unique chemical and structural properties also make it a promising candidate for applications in materials science. Its potential use in the development of new materials with specific characteristics, such as improved strength or optical properties, is an area of ongoing research.
Used in Pharmaceutical Research:
(E)-Azobenzene-4,4'-dicarboxylic acid's structural properties also make it a candidate for pharmaceutical research. It may be used in the development of new drugs or drug delivery systems, taking advantage of its solubility in organic solvents and its potential for chemical modification.

Check Digit Verification of cas no

The CAS Registry Mumber 71987-42-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,9,8 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 71987-42:
(7*7)+(6*1)+(5*9)+(4*8)+(3*7)+(2*4)+(1*2)=163
163 % 10 = 3
So 71987-42-3 is a valid CAS Registry Number.

71987-42-3SDS

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 (E)-azobenzene-4,4'-dicarboxylic acid

1.2 Other means of identification

Product number -
Other names (E)-4,4'-(diazene-1,2-diyl)dibenzoic acid

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:71987-42-3 SDS

71987-42-3Relevant academic research and scientific papers

Synthesis and mercury ion recognition of a novel azobenzene derivative bearing naphthalene units

Wanga, Wei,Jiang, Xiaoyu,Zhang, Qiang,Li, Mingzhu,Yu, Xiaolong,Wang, Junwu,Gaob, Yan

, p. 662 - 664 (2013)

A fluorescent probe for selective detection of mercury based on an azobenzene derivative bearing naphthalene units has been synthesised and its cation recognition abilities examined by UV-Vis and fluorescence spectroscopy. The fluorescent probe exhibits a

Light-controlled out-of-equilibrium assembly of cyclodextrins in an enzyme-mediated dynamic system

Larsen, Dennis,Bjerre, Philip M.,Beeren, Sophie R.

, p. 15037 - 15040 (2019/12/27)

We show that the selective enzymatic synthesis of specific cyclodextrins can be modulated using light. We use enzyme-mediated dynamic combinatorial chemistry to generate a mixture of interconverting linear and cyclic α-1,4-glucans, and employ an azobenzene photoswitch as a template. Using UV or blue light to switch between photostationary states with different azobenzene cis/trans isomeric ratios, we can promote the out-of-equilibrium assembly of either α-cyclodextrin or β-cyclodextrin.

Supramolecular detection of geometrical differences of azobenzene carboxylates

Ulatowski, Filip,D?browa, Kajetan,Jurczak, Janusz

supporting information, p. 1820 - 1824 (2016/04/05)

In dynamic combinatorial chemistry, the geometry of a template can be translated into the composition of a library of interchanging components. In this study, such a dynamic combinatorial library was used for the first time to detect and evaluate differences in the geometry of isomers of photoswitchable azobenzene based templates.

Synthesis, crystal structure and Cu2+ recognition of novel azobenzene derivatives

Wang, Wei,Li, Mingzhu,Yu, Xiaolong,Zhang, Qiang,Jiang, Xiaoyu,Wang, Junwu,Gao, Yan

, p. 98 - 101 (2014/03/21)

Three novel azobenzene derivatives have been synthesised from (E)-4,4′-bischloroformyl azobenzene and arylamines. The crystal structure of (E)-[{diazene-1,2-diylbis(4,1-phenylene)}bis{(3,5-dimethyl-1H-pyrazol-1-yl) methanone}] has been obtained The UV-Vis

Photochemical behavior in azobenzene having acidic groups. Preparation of magnetic photoresponsive gels

Abellán, Gonzalo,García, Hermenegildo,Gómez-García, Carlos J.,Ribera, Antonio

body text, p. 157 - 163 (2011/10/08)

The photochemistry of three azobenzenes representing contrasting photochemical behaviors is described in the present work. Thus, Methyl Orange (MO, 4-[[(4-dimethylamino)phenyl]-azo]benzenesulfonic acid sodium salt, hereinafter (1) and 4-hydroxyazobenzene-

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