Description

2,2'-Dithiosalicylic Acid is a specialized organosulfur compound featuring a disulfide bridge between two salicylic acid moieties. This unique structure makes it a valuable intermediate and analytical reagent in advanced chemical synthesis and research. It is primarily sought by manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and material science sectors. Its utility stems from its role as a precursor for metal-chelating agents and its application in studying thiol-disulfide exchange reactions.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those requiring metal-chelating or disulfide-based functional groups.
• Analytical Chemistry Reagent: Serves as a standard or derivatization agent in the analysis of thiols and disulfides via chromatographic or spectroscopic methods.
• Agrochemical Synthesis: Acts as a key building block for developing certain fungicides and plant growth regulators that incorporate disulfide linkages.
• Polymer & Material Science: Employed as a cross-linking agent or monomer in the development of specialty polymers with specific redox-active properties.
• Research & Development: Utilized in biochemical studies to investigate protein thiol modification, antioxidant mechanisms, and redox biology.
• Coordination Chemistry: Functions as a ligand for the preparation of metal complexes with potential catalytic or magnetic applications.

Basic Information

Product Name	2,2'-Dithiosalicylic Acid
CAS No.	119-80-2
Molecular Formula	C14H10O4S2
Molecular Weight	306.36 g/mol
Synonyms	2,2'-Disulfanediyldibenzoic Acid; 2-Carboxyphenyl Disulfide; Bis(2-carboxyphenyl) Disulfide; Dithiodisalicylic Acid; 2,2'-Dithiobis(benzoic Acid); Dithiosalicylic Acid; DTSA; Dithiodibenzoic Acid
EINECS	204-355-4

Quality Control

Our 2,2'-Dithiosalicylic Acid is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identity confirmation by FT-IR and purity determination by HPLC, to ensure it meets stringent specifications for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance.

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 and bases. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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