Overview
2-Methyl-1,3-butadiene-1-sulfonic acid sodium salt (CAS 39513-26-3) is a specialized chemical compound primarily used as a monomer in polymerization reactions. Its sulfonate group enhances reactivity, making it valuable in producing polymers with specific properties. The compound is typically supplied as a white to off-white crystalline powder, soluble in water, and requires careful handling due to its reactive nature. This chemical is niche but significant in industries requiring tailored polymer solutions. Its applications range from specialty surfactants to advanced material synthesis. B2B buyers should prioritize suppliers with strict quality control measures to ensure consistency in performance.
Physical and Chemical Properties
The molecular formula of 2-methyl-1,3-butadiene-1-sulfonic acid sodium salt is C5H7NaO3S, with a molecular weight of 170.16 g/mol. It appears as a white to off-white crystalline powder and is readily soluble in water, which facilitates its use in aqueous polymerization systems. The sulfonate group in its structure provides ionic character, enhancing its utility in creating charged polymers. Key reactivity includes participation in free-radical polymerization, often copolymerized with other monomers to introduce sulfonate functionality. Stability under normal storage conditions is adequate, but exposure to strong oxidizers should be avoided to prevent decomposition or hazardous reactions.
Main Applications
This compound is primarily employed in polymerization processes, where it acts as a monomer to incorporate sulfonate groups into polymer chains. Such polymers are used in water treatment, coatings, and adhesives due to their ionic properties. Additionally, it serves as an intermediate in synthesizing specialty surfactants with enhanced solubility or emulsifying capabilities. In niche applications, it contributes to advanced material development, such as ion-exchange resins or conductive polymers. Its versatility in modifying polymer characteristics makes it valuable for R&D-focused industries, though commercial use is limited to specific high-performance requirements.
Safety and Storage
Handling 2-methyl-1,3-butadiene-1-sulfonic acid sodium salt requires standard laboratory precautions: use gloves, goggles, and adequate ventilation to avoid inhalation or skin contact. Although not highly toxic, its reactive nature warrants care to prevent accidental exposure. Storage should be in a cool, dry environment, sealed tightly to minimize moisture absorption. Incompatible materials include strong oxidizers, which may cause hazardous reactions. Spills should be contained and cleaned promptly with appropriate absorbents. Always refer to the Safety Data Sheet (SDS) for detailed emergency procedures and disposal guidelines compliant with local regulations.
B2B Procurement Guide
When procuring this chemical, prioritize suppliers with documented quality control processes, as purity and batch consistency are critical for polymerization performance. Certifications like ISO or GMP compliance add reliability. Pricing varies ($50-$200/kg) based on purity (e.g., 95% vs. 98%) and order volume; bulk purchases may reduce costs. Request samples for testing if the application is sensitive. Logistics should ensure proper packaging to prevent moisture damage. For international shipments, verify regulatory compliance (e.g., REACH, TSCA) to avoid delays. Long-term partnerships with suppliers can secure stable supply chains for recurring needs.
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