Description

44Dicarboxydiphenylsulphide is a high-purity organic chemical intermediate characterized by its diphenyl sulfide core with carboxylic acid functional groups. This compound is valued for its role in synthesizing advanced materials and specialty chemicals, offering precise molecular architecture for demanding applications. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, polymer, and liquid crystal industries for the development of novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of active pharmaceutical ingredients (APIs) and novel drug candidates.
• Polymer & Resin Modifier: Used to introduce sulfide and carboxylic acid functionalities into polymer chains, enhancing properties like thermal stability and adhesion.
• Liquid Crystal & OLED Materials: Acts as a precursor for the development of advanced electronic display components and organic light-emitting diodes.
• Coordination Chemistry Ligand: Functions as a chelating agent for metal ions in catalyst design and metal-organic framework (MOF) synthesis.
• Crosslinking Agent: Employed in the production of specialty epoxy resins and high-performance coatings.
• Organic Synthesis Reagent: Utilized in research laboratories for constructing complex organic molecules and heterocyclic compounds.

Basic Information

Product Name	44Dicarboxydiphenylsulphide
CAS No.	4919-48-6
Molecular Formula	C14H10O4S
Molecular Weight	274.29 g/mol
Synonyms	4,4'-Dicarboxydiphenyl Sulfide; [1,1'-Biphenyl]-4,4'-dicarboxylic Acid, 2',3,5,6'-Tetrathia-; 4,4'-Thiobis(benzoic Acid); Bis(4-carboxyphenyl) Sulfide; 4-Carboxyphenyl Sulfide; p-Carboxyphenyl Sulfide; 4,4'-Sulfanediyldibenzoic Acid; 4,4'-Thiodibenzoic Acid
EINECS	225-545-7

Quality Control

Our 44Dicarboxydiphenylsulphide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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