Description

Dithioterephthalic Acid CAS NO 1076-98-8 is a specialized sulfur-containing derivative of terephthalic acid, serving as a critical building block and ligand precursor in advanced chemical synthesis. This compound matters for its unique ability to introduce disulfide or thiol functionalities into polymers and coordination complexes, enabling the development of materials with tailored redox properties and metal-binding capabilities. It is primarily needed by researchers and manufacturers in the pharmaceutical, polymer science, and materials chemistry sectors for creating novel drug candidates, functional polymers, and metal-organic frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting diseases where disulfide bond formation or metal chelation is a therapeutic mechanism.
• Polymer Modification: Used to incorporate disulfide linkages or thiol groups into polymer backbones, enabling the production of stimuli-responsive (e.g., redox-sensitive) plastics, resins, and smart materials.
• Ligand for Metal Complexes: Acts as a chelating agent in coordination chemistry for the preparation of catalysts or metal-organic frameworks (MOFs) with specific catalytic or adsorption properties.
• Crosslinking Agent: Employed in the formulation of specialty rubbers, adhesives, and coatings where reversible or dynamic crosslinking based on disulfide chemistry is desired.
• Analytical Reagent: Utilized in research laboratories as a standard or reagent for developing analytical methods related to sulfur chemistry or for studying thiol-disulfide exchange reactions.
• Material Science Research: Fundamental building block in academic and industrial R&D for exploring new organic electronic materials or advanced composites with unique electrical or mechanical properties.

Basic Information

Product Name	Dithioterephthalic Acid
CAS No.	1076-98-8
Molecular Formula	C8H6O4S2
Molecular Weight	230.26 g/mol
Synonyms	1,4-Benzenedicarbodithioic Acid; Terephthalic Acid Dithioic Acid; Dithioterephthalic Acid; p-Phenylenedicarbodithioic Acid; 1,4-Dicarboxydithiobenzoic Acid; DTPA (Dithioterephthalic Acid); 4,4'-Dithiodibenzoic Acid (related isomer); Benzene-1,4-dicarbodithioic Acid
EINECS	Contact for details

Quality Control

Our Dithioterephthalic Acid is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay (by HPLC), impurity profile, and physical characteristics are available upon request. We are committed to meeting the precise specifications required for research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of heat. Due to the potential sensitivity of the dithioacid groups, prolonged exposure to air and moisture should be minimized.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.