Description

5,5'-Thiodisalicylic Acid is an organic sulfur-containing compound that serves as a versatile intermediate and building block in advanced chemical synthesis. Its unique structure, featuring two salicylic acid moieties linked by a thioether bridge, makes it valuable for creating complex molecules with specific functional properties. This product is essential for research and development laboratories, pharmaceutical manufacturers, and specialty chemical producers requiring high-purity intermediates.

Application

• Pharmaceutical Intermediate: Key starting material or building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring a sulfur-linked aromatic scaffold.
• Ligand Synthesis: Used in the preparation of chelating agents and ligands for metal catalysis and coordination chemistry applications.
• Polymer Modification: Acts as a monomer or cross-linking agent for creating specialty polymers with enhanced thermal or chemical resistance properties.
• Analytical Chemistry: Employed as a standard or reagent in chromatographic methods and other analytical techniques for method development and validation.
• Material Science Research: Investigated for use in the development of organic electronic materials, metal-organic frameworks (MOFs), and other advanced functional materials.
• Bioconjugation: Potential use in the development of linkers for antibody-drug conjugates (ADCs) or other bioconjugation strategies due to its reactive carboxylic acid groups.

Basic Information

Item	Details
Product Name	5,5'-Thiodisalicylic Acid
CAS No.	1820-99-1
Molecular Formula	C14H10O6S
Molecular Weight	306.29 g/mol
Synonyms	5,5'-Dithiodisalicylic Acid; 4,4'-Dihydroxydiphenyl sulfide-3,3'-dicarboxylic acid; 2,2'-Sulfanediyldibenzoic acid; Thiodisalicylic Acid; Bis(3-carboxy-4-hydroxyphenyl) sulfide; 3,3'-Dicarboxy-4,4'-dihydroxydiphenyl sulfide; TDA
EINECS	217-340-6

Quality Control

Our 5,5'-Thiodisalicylic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes results from HPLC, IR spectroscopy, and other relevant tests. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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