Description

Toluene-3,4-Disulfonic Acid Dipotassium Salt is a high-purity, water-soluble organic salt derived from toluene disulfonic acid. This compound is valued for its role as a versatile intermediate and catalyst in specialized organic synthesis and industrial processes. It is primarily sought by manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for producing advanced molecules and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Catalyst & Ligand Precursor: Used in catalytic systems and as a precursor for ligands in transition metal catalysis.
• Agrochemical Synthesis: Employed in the manufacturing of advanced herbicides, fungicides, and plant growth regulators.
• Dye & Pigment Manufacturing: Serves as an intermediate for producing sulfonated dyes and specialty pigments.
• Polymer Modification: Used to introduce sulfonate groups into polymers to alter solubility and ionic properties.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways.
• Electroplating Additive: Functions as a brightening agent or additive in specific electroplating bath formulations.
• Ion-Exchange Resin Production: Acts as a monomer or cross-linking agent in the synthesis of specialty ion-exchange resins.

Basic Information

Item	Details
Product Name	Toluene-3,4-Disulfonic Acid Dipotassium Salt
CAS No.	40355-69-9
Molecular Formula	C7H6K2O6S2
Molecular Weight	328.36 g/mol
Synonyms	3,4-Disulfotoluene Dipotassium Salt; Dipotassium 3,4-Disulfobenzoate; Toluene-3,4-disulfonate Dipotassium; Benzoic acid, 3,4-disulfo-, dipotassium salt; 3,4-Toluenedisulfonic Acid Dipotassium Salt; 3,4-Bis(sulfopotassium)methylbenzene; KS 3,4-TDSA
EINECS	254-896-5

Quality Control

Our Toluene-3,4-Disulfonic Acid Dipotassium Salt is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical parameters are provided and available upon request.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of 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	≤ 0.1%
pH (5% Solution)	6.0 - 8.0

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