Description

2,2'-Dithiobis(3-Methylbenzoic Acid) is a high-purity organic disulfide compound with a unique molecular structure, serving as a versatile intermediate and functional additive. Its core value proposition lies in its ability to act as a precursor for thiols, a cross-linking agent, or a source of controlled sulfur functionality in advanced synthesis. This product is essential for research and development chemists and process engineers in the pharmaceutical, polymer, and specialty chemical industries seeking reliable, high-quality building blocks for complex molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring disulfide or thiol functional groups.
• Polymer Chemistry: Used as a cross-linking agent or chain transfer agent in the production of specialty polymers and resins to modify mechanical properties.
• Bioconjugation & Protein Chemistry: Serves as a reagent for introducing disulfide bonds or for reversible modification of proteins and peptides in biochemical research.
• Organic Synthesis Building Block: Employed in the preparation of complex organic molecules, including ligands for catalysis and functional materials.
• Antioxidant Research: Investigated for its potential antioxidant properties due to its disulfide bond, which can participate in redox cycles.
• Material Science: Utilized in surface modification and the creation of self-assembled monolayers (SAMs) on metal surfaces.

Basic Information

Product Name	2,2'-Dithiobis(3-Methylbenzoic Acid)
CAS No.	13363-59-2
Molecular Formula	C16H14O4S2
Molecular Weight	334.41 g/mol
Synonyms	3,3'-Dithiobis(2-methylbenzoic Acid); Bis(2-methyl-3-carboxyphenyl) Disulfide; 2-Methyl-3,3'-dithiodibenzoic Acid; 2,2'-Dithiodi-m-toluic Acid; DTBA; 3-Carboxy-2-methylphenyl Disulfide
EINECS	Contact for details

Quality Control

Our 2,2'-Dithiobis(3-Methylbenzoic Acid) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

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). This compound is light-sensitive (store away from light) and may be hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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