Description

1,4-Butanedisulfonic Acid Disodium Salt is a high-purity, water-soluble organic sulfonate salt widely used as a key intermediate and reagent in advanced chemical synthesis. Its value lies in providing a stable, ionic sulfonate functionality for introducing hydrophilicity or creating specialized surfactants and polymers. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, specialty chemical, and material science sectors seeking reliable building blocks for innovative products.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs requiring sulfonate groups for enhanced solubility or biological activity.
• Specialty Surfactant & Detergent Precursor: Serves as a building block for creating anionic surfactants with specific chain lengths for industrial cleaners, emulsifiers, and personal care formulations.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the production of ion-exchange resins, hydrogels, and polyelectrolytes with tailored ionic properties.
• Chemical Synthesis Reagent: Employed as a stable sulfonation agent or counterion in various organic transformations and catalytic processes.
• Electroplating & Surface Treatment Additive: Functions as a brightener or stabilizing agent in electrolyte baths for metal finishing applications.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new chemical entities, biochemical probes, and functional materials.

Basic Information

Product Name	1,4-Butanedisulfonic Acid Disodium Salt
CAS No.	36589-61-4
Molecular Formula	C4H8Na2O6S2
Molecular Weight	262.20 g/mol
Synonyms	Disodium 1,4-Butanedisulfonate; Butane-1,4-disulfonic Acid Disodium Salt; 1,4-Butanedisulfonate Disodium Salt; Tetramethylene Disulfonate Disodium Salt; Disodium Tetramethylene Disulfonate; NSC 379244; Butanedisulfonic Acid, Disodium Salt
EINECS	Contact for details

Quality Control

Our 1,4-Butanedisulfonic Acid Disodium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for demanding applications. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are provided to guarantee batch-to-batch consistency and traceability.

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). Keep the container tightly sealed to prevent absorption of atmospheric moisture, which may affect product quality.

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.