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Postion:Product Catalog >Pharmaceutical intermediates>Heterocyclic compound>Thiophene compounds>Thiophene-3,4-Dicarboxylic Acid
Thiophene-3,4-Dicarboxylic Acid
  • Thiophene-3,4-Dicarboxylic Acid

Thiophene-3,4-Dicarboxylic Acid NEW

Price Get Latest Price
Package 1kg 25kg 100kg
Min. Order: 1kg
Supply Ability: 20Tons
Update Time: 2025-04-04

Product Details

Product Name: Thiophene-3,4-Dicarboxylic Acid CAS No.: 4282-29-5
Min. Order: 1kg Purity: 98%
Supply Ability: 20Tons Release date: 2025/04/04

Product information

THIOPHENE-3,4-DICARBOXYLIC ACID Basic information

Product Name:THIOPHENE-3,4-DICARBOXYLIC ACID
Synonyms:3,4-THIOPHENEDICARBOXYLIC ACID;THIOPHENE-3,4-DICARBOXYLIC ACID;3,4-Thiophenedicarboxylic acid,97%;3,4-Dicarboxythiophene;3,4-Thiophenedicarboxylic acid ,98%;THIOPHENE-3,4-DICARBOXYLATE;100G,500G,1KG,10KG;THIOPHENE-3,4-DICARBOXY
CAS:4282-29-5
MF:C6H4O4S
MW:172.16
EINECS:
Product Categories:Building Blocks;Carboxy;Acids and Derivatives;Heterocycles;API intermediates;Thiophene
Mol File:4282-29-5.mol
Article illustration


THIOPHENE-3,4-DICARBOXYLIC ACID Chemical Properties
Melting point 227-231 °C
Boiling point 272.46°C (rough estimate)
density 1.473 (estimate)
refractive index 1.5500 (estimate)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility soluble in Methanol
pka3.36±0.20(Predicted)
form Crystalline Powder
color Yellow to beige-pinkish or light brown
λmax240nm(H2O)(lit.)
InChIKeyZWWLLYJRPKYTDF-UHFFFAOYSA-N


Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 24/25
WGK Germany 3
HazardClass IRRITANT
HS Code 29349990
MSDS Information                            
ProviderLanguage
ACROS                                English

THIOPHENE-3,4-DICARBOXYLIC ACID Usage And Synthesis
Chemical Propertiesyellow to beige-pinkish or light brown crystalline
UsesThiophene-3,4-dicarboxylic Acid is used in preparation of dibromo thienofuran dione.
UsesSynthetic precursor for organic electronics materials.

THIOPHENE-3,4-DICARBOXYLIC ACID Preparation Products And Raw materials
Raw materialsN,N-Dimethylformamide-->Ferric chloride-->Copper(I) Cyanide-->3,4-Dibromothiophene-->2-Butenedioic acid, 2,3-dimethyl-, dimethyl ester, (2Z)--->diethyl 2-(diethoxymethyl)butanedioate-->2-(Diethoxymethyl)-3-formylbutanedioic acid diethyl ester-->3,4-Diiodothiophene-->3,4-Thiophenedicarboxylic acid, diMethyl ester-->DIETHYL FORMYLSUCCINATE-->2,3-Dimethylmaleic anhydride-->3,4-DICYANOTHIOPHENE,-->3,4-Thiophenedicarboxylic acid, diethyl ester-->3,4-Thiophenedicarboxylic acid, 2,5-dihydro-, dimethyl ester-->CARBON DIOXIDE
Preparation Products1,3-Dibromo-5-octyl-4H-thieno[3,4-c]pyrrole-4,6(5H)-dione-->4-BROMOTHIOPHENE-3-CARBOXYLIC ACID





Company Profile Introduction

Founded in 2014, Henan Aochuang Chemical Co., Ltd. is committed to the development of medical science and material chemistry technology. Based on the advanced technology for chemical and medical , it specializes in the research, development, and sales of pharmaceutical intermediates, electronic intermediates ,battery material intermediates, and other fine chemicals. The company has professionals who have been engaged in chemical production and sales for many years. It is a vigorous pharmaceutical chemical technology enterprise with professional background. 90% of the company's products are sold to Japan, South Korea, Europe and the United States. We have maintained good cooperative relations with many international well-known enterprises, and have been well received by all parties. ? Adhering to the principle of "quality first, customer first, integrity-based, mutual benefit", the company provides customers with high-quality products ranging from grams to tons, and comprehensive services from products to technology, and is willing to work together with all walks of life. , and jointly contribute to the development of the material and pharmaceutical industry!

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