Description

Sodium 1,4-Dihydroxy-2-Butene-2-Sulphonate is a versatile organosulfur compound with significant utility as a reactive intermediate and functional additive. Its unique structure, featuring both hydroxyl and sulfonate groups, makes it valuable for introducing hydrophilic and anionic character into various chemical systems. This product is essential for manufacturers in the specialty chemical, pharmaceutical, and polymer industries seeking to modify solubility, enhance stability, or create specific ionic functionalities. We supply this material to meet the stringent quality and consistency requirements of global industrial and research applications.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly where sulfonate groups are required for solubility or biological activity.
• Polymer Modification: Acts as a functional monomer or cross-linking agent for producing water-soluble or ion-exchange resins, coatings, and hydrogels.
• Surfactant & Detergent Component: Serves as a building block for synthesizing specialized anionic surfactants with enhanced wetting, emulsifying, or dispersing properties.
• Chemical Synthesis Intermediate: A key reagent in organic synthesis for introducing the 1,4-dihydroxy-2-butene-2-sulphonate moiety into target molecules.
• Chelating Agent Precursor: Used in the production of ligands and chelating agents for metal ion sequestration in water treatment or industrial processes.
• Electroplating & Surface Treatment Additive: Functions as a brightener or stabilizing agent in electroplating baths and metal surface finishing solutions.

Basic Information

Product Name	Sodium 1,4-Dihydroxy-2-Butene-2-Sulphonate
CAS No.	4187-71-7
Molecular Formula	C4H7NaO6S
Molecular Weight	206.15 g/mol
Synonyms	1,4-Dihydroxy-2-butene-2-sulfonic acid sodium salt; 2-Butene-1,4-diol-2-sulfonic acid sodium salt; Sodium 1,4-dihydroxy-2-butene-2-sulfonate; 2-Butene-1,4-diol, 2-sulfonic acid, sodium salt; Sodium 2-sulfo-2-butene-1,4-diolate
EINECS	Contact for details

Quality Control

Our Sodium 1,4-Dihydroxy-2-Butene-2-Sulphonate is produced and tested under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets defined specifications for identity, purity, and composition. Certificates of Analysis (COA) documenting these results are provided with every shipment. We are committed to supplying material that is consistent and reliable for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
pH (10% 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.