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Specifications
| Appearance | White crystalline powder |
| Assay (on the dried basis) | 95.0% - 101.0% |
| Water | 3% max. |
| Loss on drying | 5% max. |
| Solubility (1.0M aqueous) | Colourless and clear |
| pH | 4.0 - 7.0 |
| Heavy metals (Pb) | 5 ppm max. |
| Ultraviolet absorbance at 260 nm | 0.05% max. |
| Ultraviolet absorbance at 280 nm | 0.03% max. |
Applications
This compound is widely used in industrial and chemical applications as a reactive intermediate in the synthesis of surfactants, polymers, and specialty chemicals. It serves as a precursor for the production of zwitterionic and anionic surfactants, which are applied in detergents, personal care products, and textile processing for their mildness and high foaming properties. In polymer chemistry, it is employed to introduce sulfonate groups into polymer chains, improving water solubility, charge density, and dispersibility in formulations such as coatings, paints, and water treatment polymers. Additionally, it is utilized in research laboratories for studying substitution reactions, sulfonation processes, and the development of functionalized small molecules for pharmaceuticals and industrial applications.
Benefits
The main benefits of sodium 3-chloro-2-hydroxypropanesulphonate hemihydrate include its high water solubility, reactivity, and compatibility with various organic and aqueous systems. Its chloro and hydroxy groups enable selective chemical modification, while the sulfonate moiety imparts strong ionic character, enhancing dispersibility, emulsification, and surface activity in final products. The compound is chemically stable, easy to handle, and effective at low concentrations, making it cost-efficient for industrial applications. Its multifunctional nature allows for use in diverse formulations, improving performance in detergents, polymers, and specialty chemicals.
Conclusion
Sodium 3-chloro-2-hydroxypropanesulphonate hemihydrate is a versatile organosulfonate intermediate widely used in surfactant production, polymer modification, and specialty chemical synthesis. Its water solubility, reactivity, and multifunctional groups make it an essential ingredient for enhancing solubility, dispersibility, and performance in industrial and chemical applications. As demand grows for functionalized intermediates in modern formulations, this compound continues to play a significant role in chemical manufacturing and research.
