Description

m-Benzenedisulfonic Acid, Sodium Salt is a high-purity, water-soluble aromatic sulfonate salt with the CAS number 14306-50-4. This compound serves as a versatile and critical intermediate in advanced organic synthesis and industrial manufacturing processes. It is essential for industries requiring precise chemical building blocks for dyes, surfactants, and specialty polymers.

Application

• Chemical Intermediate: A key precursor in the synthesis of dyes, pigments, and optical brighteners.
• Surfactant & Detergent Industry: Used in the production of specialized anionic surfactants and detergent formulations.
• Polymer & Resin Production: Acts as a monomer or additive in the manufacture of ion-exchange resins and specialty polymers.
• Pharmaceutical Synthesis: Employed as a building block in the synthesis of certain active pharmaceutical ingredients (APIs).
• Electroplating & Metal Treatment: Functions as an additive in electroplating baths and surface treatment solutions.
• Research & Development: Utilized in academic and industrial R&D for exploring new synthetic pathways and material properties.

Basic Information

Product Name	m-Benzenedisulfonic Acid, Sodium Salt
CAS No.	14306-50-4
Molecular Formula	C6H4Na2O6S2
Molecular Weight	322.19 g/mol
Synonyms	1,3-Benzenedisulfonic Acid, Disodium Salt; Sodium m-Benzenedisulfonate; Benzene-1,3-disulfonic Acid Disodium Salt; m-Phenylenedisulfonic Acid Disodium Salt; Disodium 1,3-Benzenedisulfonate; 3-Sulfobenzenesulfonic Acid Disodium Salt; Meta-Benzenedisulfonate Sodium Salt
EINECS	238-257-3

Quality Control

Our m-Benzenedisulfonic Acid, Sodium Salt is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and composition. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and batch-to-batch 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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
pH (5% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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