Description

2,2'-Dithiobis[5-Methylbenzenesulfonic Acid Chloride] is a specialized sulfonyl chloride derivative featuring a disulfide bridge, making it a valuable bifunctional reagent for introducing sulfonate ester groups and cleavable linkages. This compound matters for its role as a key intermediate in the synthesis of advanced materials and bioactive molecules, where controlled reactivity and specific functionalization are required. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and polymer industries for creating novel compounds, cross-linking agents, and functionalized surfaces.

Application

• As a key sulfonating agent in the synthesis of pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• For the preparation of functionalized polymers and specialty resins, where the disulfide bond can act as a cleavable cross-linker.
• In the development of advanced agrochemicals, serving as a building block for novel herbicides or fungicides with specific modes of action.
• As a reagent for surface modification and the creation of self-assembled monolayers (SAMs) on various substrates for sensor applications.
• In bioconjugation chemistry for attaching sulfonate groups or creating reversible linkages to biomolecules like proteins or peptides.
• For the synthesis of dyes and pigments with enhanced solubility or specific ionic characteristics.
• As a research chemical in academic and industrial laboratories exploring new organic transformations and catalytic processes.

Basic Information

Product Name	2,2'-Dithiobis[5-Methylbenzenesulfonic Acid Chloride]
CAS No.	63468-81-5
Molecular Formula	C14H12Cl2O6S4
Molecular Weight	491.40 g/mol
Synonyms	5,5'-Dithiobis(2-methylbenzenesulfonyl chloride); Bis(5-chlorosulfonyl-2-methylphenyl) disulfide; 2-Methyl-5-[(2-methyl-5-sulfonylchloridophenyl)disulfanyl]benzenesulfonyl chloride; 2,2'-Disulfanediyldi(4-methylbenzene-1-sulfonyl chloride); DTSA-Cl; 2-Methylbenzenesulfonic acid, 5,5'-dithiobis-, dichloride
EINECS	Contact for details

Quality Control

Our 2,2'-Dithiobis[5-Methylbenzenesulfonic Acid Chloride] is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques such as HPLC, NMR, and titration to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent decomposition. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details

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