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4,6-Dinitro-1,3-benzenedicarboxylic acid, also known as 4,6-Dinitrophthalic acid, is a yellow crystalline solid with the molecular formula C8H4N2O8. It is a derivative of phthalic acid, featuring two nitro groups at the 4 and 6 positions on the benzene ring. This chemical compound possesses strong acidic properties and is widely used in various industries due to its unique characteristics.

1872-40-8

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1872-40-8 Usage

Uses

Used in Dye and Pigment Manufacturing:
4,6-Dinitro-1,3-benzenedicarboxylic acid is used as a key intermediate in the production of dyes and pigments. Its chemical structure allows for the creation of a wide range of colorants with diverse properties, making it a valuable component in this industry.
Used in Fluorescent Dye and Optical Brightener Production:
Due to its strong acidic properties and ability to form stable complexes with metal ions, 4,6-Dinitro-1,3-benzenedicarboxylic acid is used as a raw material in the synthesis of fluorescent dyes and optical brighteners. These products are utilized in various applications, such as enhancing the whiteness and brightness of fabrics, paper, and other materials.
Used in Pharmaceutical and Agrochemical Synthesis:
4,6-Dinitro-1,3-benzenedicarboxylic acid is employed as a building block in the synthesis of pharmaceuticals and agrochemicals. Its ability to form stable complexes with metal ions makes it a useful component in the development of drugs and pesticides with improved efficacy and stability.
Used in Electronics and Semiconductor Industries:
4,6-Dinitro-1,3-benzenedicarboxylic acid has potential applications in the electronics and semiconductor industries due to its conductivity properties. It can be used in the development of materials for electronic devices, such as sensors, transistors, and other components, contributing to advancements in technology and innovation.

Check Digit Verification of cas no

The CAS Registry Mumber 1872-40-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,7 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1872-40:
(6*1)+(5*8)+(4*7)+(3*2)+(2*4)+(1*0)=88
88 % 10 = 8
So 1872-40-8 is a valid CAS Registry Number.
InChI:InChI=1/C8H4N2O8/c11-7(12)3-1-4(8(13)14)6(10(17)18)2-5(3)9(15)16/h1-2H,(H,11,12)(H,13,14)

1872-40-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 16, 2017

Revision Date: Aug 16, 2017

1.Identification

1.1 GHS Product identifier

Product name 4,6-dinitrobenzene-1,3-dicarboxylic acid

1.2 Other means of identification

Product number -
Other names 4,6-dinitro-isophthalic 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:1872-40-8 SDS

1872-40-8Relevant academic research and scientific papers

Synthesis and Electronic Properties of Novel 5,7-Diazapentacene Derivatives

Lunchev, Andrey V.,Morris, Samuel A.,Ganguly, Rakesh,Grimsdale, Andrew C.

, p. 1819 - 1823 (2019/01/14)

A route to the synthesis of novel 5,7-diazapentacenes and some preliminary studies on their properties is reported. A single crystal X-ray diffraction study of the dihexyl derivative showed it had formed a dimer during the analysis. The materials possess lower lying frontier orbitals than pentacene and may have potential applications in organic electronic devices. This synthetic method may be applicable to the synthesis of other azaacenes.

Studies on the synthesis and properties of polynitro compounds based on esteryl backbones

Xu, Zhen,Yang, Hongwei,Cheng, Guangbin

, p. 9936 - 9944 (2016/12/07)

Four esteryl-bridged energetic compounds have been derived from 2,2,2-trinitroethanol with polynitro benzoic acids and characterized via IR, multinuclear NMR spectroscopy, elemental analysis and differential scanning calorimetry (DSC). The structures of 2,2,2-trinitroethyl-2,4,6-trinitrobenzoate (5), bis(2,2,2-trinitroethyl)-4,6-dinitroisophthalate (6), bis(2,2,2-trinitroethyl)-2,5-dinitroterephthalate (7) and bis(2,2,2-trinitroethyl)-2,4,6-trinitroisophthalate (8) were further confirmed by X-ray diffraction studies, which show favorable densities (1.804-1.850 g cm-3). Interestingly, most of the polynitro esters decompose at temperatures over 180 °C (except for 6: 171.6 °C), which thus exhibit good thermal stability. In addition, performance calculations give detonation pressures and velocities for the ester derivatives in the range of 30.4-32.9 GPa and 8267-8559 m s-1, respectively. The esteryl-bridged compounds possess acceptable impact sensitivities (14-22 J), friction sensitivities (240-360 N), and electrostatic sensitivities (0.20-0.32 J). These values indicate that polynitro esters can be candidates as promising energetic materials.

Aromatic oligoureas: Enforced folding and assisted cyclization

Zhang, Aimin,Han, Yaohua,Yamato, Kazuhiro,Zeng, Xiao Cheng,Gong, Bing

, p. 803 - 806 (2007/10/03)

Aromatic oligoureas are forced into well-defined conformation by incorporated intramolecular hydrogen bonds. Shape-persistent tetraureas macrocycles were obtained in a one-step [2 + 2] reaction in good yields.

Overcoming regioselectivity issues inherent in bis-Troeger's base preparation

Havlik, Martin,Kral, Vladimir,Dolensky, Bohumil

, p. 4867 - 4870 (2007/10/03)

(Figure Presented) Bis-Troeger's base derivatives are a new family of molecular tweezers. A major drawback to their study is a lack of commercially available precursors, ortho-nitrocarboxylic acids. A reverse synthetic strategy starting from known dinitrodicarboxylic acids, which circumvents this problem, is presented. Via this methodology regioisomeric bis-TB derivatives can be prepared selectively, using only common aromatic amines that are typically commercially available.

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