Description

Benzenedisulphonic Acid CAS NO 30496-93-6 is a versatile and highly reactive aromatic sulfonic acid derivative, serving as a critical intermediate in advanced organic synthesis. Its dual sulfonic acid groups make it a powerful precursor for creating surfactants, dyes, and specialized polymers. This compound is essential for manufacturers in the chemical, pharmaceutical, and agrochemical industries seeking to develop high-performance products with specific functional properties.

Application

• Chemical Intermediate: A key building block for synthesizing dyes, pigments, and optical brighteners.
• Surfactant & Detergent Production: Used in the manufacture of specialized anionic surfactants and emulsifiers.
• Polymer & Resin Modification: Acts as a monomer or cross-linking agent to introduce sulfonate groups into polymers for ion-exchange resins or water-soluble materials.
• Pharmaceutical Synthesis: Serves as an intermediate in the production of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Catalysis & Electroplating: Employed in electroplating baths and as a catalyst or catalyst component in organic reactions.
• Agrochemical Formulations: Used in the synthesis of certain herbicides and pesticides.

Basic Information

Product Name	Benzenedisulphonic Acid
CAS No.	30496-93-6
Molecular Formula	C6H6O6S2
Molecular Weight	238.24 g/mol
Synonyms	Benzene-1,3-disulfonic Acid; m-Benzenedisulfonic Acid; 1,3-Benzenedisulfonic Acid; Benzene-m-disulfonic Acid; 3-Sulfobenzenesulfonic Acid; NSC 403124; Benzenedisulfonic Acid (mixed isomers)
EINECS	Contact for details

Quality Control

Our Benzenedisulphonic Acid is produced under stringent quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Due to its nature as a strong acid/organic solvent, containers should be kept tightly sealed to prevent moisture absorption and contamination. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content	≤ 2.0%
Sulfate (as SO4)	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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