Description

2,4-Butanesultone is a versatile sulfonic acid derivative and a key sultone intermediate used in the synthesis of specialized surfactants and functional polymers. Its reactive lactone structure makes it a valuable building block for introducing sulfonate groups, which impart water solubility, thermal stability, and anti-static properties to final products. This compound is essential for R&D and production in industries such as specialty chemicals, advanced materials, and pharmaceuticals, where precise molecular modification is required.

Application

• Sulfobetaine Surfactant Synthesis: A crucial precursor for manufacturing zwitterionic surfactants (sulfobetaines) used in personal care, cosmetics, and enhanced oil recovery formulations.
• Polymer Modification: Used to introduce anionic sulfonate groups into polymer backbones, enhancing hydrophilicity, dyeability, and antistatic properties for fibers and plastics.
• Pharmaceutical Intermediates: Serves as a building block in the synthesis of drug candidates and biologically active molecules containing sulfonate moieties.
• Electrolyte Additives: Investigated for use in lithium-ion battery electrolytes to improve interfacial stability and cycle life.
• Specialty Chemical Synthesis: Employed in the production of sulfonated dyes, pigments, and other performance chemicals requiring ionic functionality.
• Research & Development: A valuable reagent in academic and industrial labs for exploring new materials and organic synthesis pathways.

Basic Information

Product Name	2,4-Butanesultone
CAS No.	1121-03-5
Molecular Formula	C4H8O3S
Molecular Weight	136.17 g/mol
Synonyms	1,3-Propane sultone, 3-Hydroxy-1-propanesulfonic acid γ-sultone, 3-Hydroxypropane-1-sulfonic acid sultone, 3-Hydroxy-1-propanesulfonic acid sultone, γ-Propane sultone, 1,2-Oxathiolane 2,2-dioxide, 3-Hydroxypropanesulfonic acid sultone, Propane-1,3-sultone
EINECS	214-317-9

Quality Control

Our 2,4-Butanesultone is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our industrial and research clients. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and quality assurance.

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). Keep away from heat, sparks, and open flames. Due to its reactive lactone nature, it should be stored separately from strong bases, amines, and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.470 - 1.476
Density (g/mL, 20°C)	1.390 - 1.410

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