CAS · 21799-87-1
Product Overview
Potassium 2,5-dihydroxybenzenesulfonate is a high-purity pharmaceutical-intermediates supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance: | White to almost white crystalline powder |
|---|---|
| Assay: | 99% min |
| Heavy Metals: | 10ppm max |
| Melting Point: | 250℃ |
Applications
1.1 Dye and Pigment Industry
Used as an intermediate or additive in the manufacture of dyes and pigments, especially sulfonated phenolic compounds.
Its sulfonate and hydroxyl groups improve water solubility and binding affinity to fibers, enhancing dye performance.
1.2 Corrosion Inhibitors
Serves as a corrosion inhibitor for metals such as steel and copper in industrial cooling water systems.
The sulfonate group facilitates adsorption on metal surfaces, forming protective layers that reduce corrosion rates.
1.3 Chelating Agent and Antioxidant
Acts as a mild chelating agent for metal ions in chemical formulations.
The dihydroxy groups confer antioxidant properties, scavenging free radicals and protecting products from oxidation.
1.4 Pharmaceutical and Cosmetic Industry
Utilized in formulations requiring water-soluble phenolic sulfonates.
Its antioxidant and chelating abilities can help stabilize cosmetic products and pharmaceuticals.
1.5 Analytical Chemistry
Used in some analytical reagents or buffer formulations due to its buffering capacity and ionic properties.
Benefits
2.1 Excellent Water Solubility
The potassium salt form offers high aqueous solubility, enabling its use in water-based systems and formulations.
2.2 Enhanced Stability and Performance
The presence of sulfonate and hydroxyl groups contributes to chemical stability, improving product shelf life and performance.
2.3 Versatility
Its multifunctional groups make it suitable for diverse applications ranging from industrial to cosmetic formulations.
2.4 Environmentally Friendly Profile
Generally considered to have a low environmental impact and is compatible with many eco-friendly formulations.
Conclusion
Potassium 2,5-dihydroxybenzenesulfonate (CAS 21799-87-1) is a valuable chemical intermediate and additive widely employed in dye manufacturing, corrosion inhibition, and antioxidant applications. Its excellent water solubility and multifunctional chemical groups enable enhanced performance in industrial, pharmaceutical, and cosmetic formulations. Coupled with its environmentally friendly profile, it remains an important compound for diverse uses in modern chemical processes and products.
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