Description

Sodium Toluene-4-Thiosulphonate is an organosulfur compound with the CAS number 3753-27-3, serving as a versatile intermediate and reagent in organic synthesis. Its core value lies in its ability to act as a sulfenylating agent and a source of the tosylthio group, facilitating the introduction of sulfur-containing functionalities. This chemical is particularly needed by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the production of active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring specific sulfur-based molecular architectures.
• Agrochemical Synthesis: Serves as a key building block in the production of herbicides, fungicides, and other crop protection agents.
• Polymer Modification: Employed as a functionalization agent to introduce thiosulfonate groups into polymer chains, altering material properties.
• Organic Synthesis Reagent: Acts as a sulfenylating agent in various organic transformations, including nucleophilic substitution and addition reactions.
• Crosslinking Agent: Utilized in the vulcanization processes for certain elastomers or as a crosslinker in polymer networks.
• Bioconjugation Chemistry: Applied in the modification of proteins, peptides, and other biomolecules for research and diagnostic purposes.
• Ligand Precursor: Used in coordination chemistry for the preparation of metal complexes with sulfur-based ligands.

Basic Information

Product Name	Sodium Toluene-4-Thiosulphonate
CAS No.	3753-27-3
Molecular Formula	C7H7NaO3S2
Molecular Weight	226.24 g/mol
Synonyms	Sodium p-Toluenethiosulfonate; Sodium 4-Methylbenzenethiosulfonate; p-Toluenesulfonothioic Acid Sodium Salt; Sodium Tosylthiolate; 4-Methylbenzenesulfonothioic Acid Sodium Salt; STTS; Toluene-4-thiosulfonic Acid Sodium Salt
EINECS	223-158-4

Quality Control

Our Sodium Toluene-4-Thiosulphonate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthesis and industrial applications. A comprehensive Certificate of Analysis (COA), detailing parameters such as assay, identity, and impurity profiles, 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, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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