Butane-1,4-disulfonic acid
Butane-1,4-disulfonic acid (CAS: 27665-39-0) is a short-chain aliphatic disulfonic acid featuring two strongly acidic sulfonic acid groups separated by a flexible four-carbon spacer. This water-soluble compound serves as a versatile building block and functional additive in fine chemical synthesis, surfactant manufacturing, and specialty polymer applications. Its dual acidic functionality enables it to act as a cross-linking agent, ion-exchange precursor, or hydrophilic modifier for polymer backbones, significantly enhancing water dispersibility and ionic conductivity of modified materials. The compound also finds use as a catalyst in condensation reactions and as an electrolyte additive in electrochemical systems. Supplied as a high-purity solid or solution under controlled conditions, it ensures consistent reactivity and dependable performance in downstream processing. Users should verify assay, moisture content, and storage requirements before use, and pilot-scale validation is recommended to optimize reaction conditions for each specific application.
– Polymer Modification: Used as a hydrophilic cross-linker and ionic comonomer to introduce sulfonate functionality into resins, membranes, and coatings for improved water solubility and ion exchange capacity.
– Surfactant and Detergent Synthesis: Serves as a raw material for specialty anionic surfactants and dispersants requiring dual anionic charge for enhanced electrolyte tolerance.
– Chemical Catalysis: Applied as a strong organic acid catalyst in esterification, condensation, and alkylation reactions where mineral acids are unsuitable.
– Electrochemical Applications: Employed as an electrolyte additive or intermediate for ion-exchange materials in batteries and electrochemical processing systems.
Product Name: Butane-1,4-disulfonic acid
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