Description

Barium Di(Toluene-4-Sulphonate) CAS NO 2090-08-6 is an organometallic salt derived from p-toluenesulfonic acid, valued for its role as a catalyst and reagent in specialized organic synthesis. Its primary commercial importance lies in facilitating specific coupling and esterification reactions where a barium cation is required. This compound is essential for R&D laboratories and production facilities in the pharmaceutical, agrochemical, and fine chemical industries seeking reliable, high-purity intermediates.

Application

• Catalyst in Organic Synthesis: Employed as a Lewis acid catalyst in Friedel-Crafts alkylation and acylation reactions.
• Reagent for Esterification: Used to promote the formation of esters, particularly in sensitive or complex molecular assemblies.
• Precursor for Materials Science: Serves as a starting material for the preparation of other barium-containing compounds or functional materials.
• Research & Development: A key intermediate in pharmaceutical and agrochemical research for constructing novel molecular entities.
• Cross-Coupling Reactions: May be utilized in specific metal-mediated cross-coupling protocols to form carbon-carbon bonds.
• Polymerization Aid: Can act as a co-catalyst or stabilizer in certain polymerization processes.

Basic Information

Product Name	Barium Di(Toluene-4-Sulphonate)
CAS No.	2090-08-6
Molecular Formula	C14H14BaO6S2
Molecular Weight	467.68 g/mol
Synonyms	Barium p-Toluenesulfonate; Barium Tosylate; Barium Ditosylate; Barium Bis(4-methylbenzenesulfonate); Barium Bis(p-toluenesulfonate); Ditoluene-4-sulfonic Acid Barium Salt; 4-Methylbenzenesulfonic Acid Barium Salt; Barium(2+) Di(4-methylbenzenesulfonate)
EINECS	218-228-5

Quality Control

Our Barium Di(Toluene-4-Sulphonate) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

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 product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation and clumping.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm
Chloride (Cl)	≤ 0.1 %
Sulfate (SO4)	≤ 0.1 %

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