Sodium allylsulfonate CAS#2495-39-8
High Reactivity for Efficient Polymerization: Contains active α and β double bonds, offering excellent reactivity for acrylic fiber copolymerization processes.
Enhanced Fiber Performance: Significantly improves heat resistance, elasticity, and spinnability of acrylic fibers for better processing results.
Superior Dyeing Efficiency: Promotes faster color absorption and more uniform dye uptake, improving overall production efficiency.
Brighter and Longer-Lasting Colors: Provides stronger colorfastness and brighter shades, enhancing the final appearance and durability of dyed fibers.
Products Description of Sodium allylsulfonate CAS#2495-39-8
Sodium allyl sulfonate, with the molecular formula C3H5SO3Na and a molecular weight of 144.1, is a white granular powder. It contains double bonds at the α and β positions, making it highly reactive. Used as the third monomer for acrylic fibers, it improves the fibers' heat resistance, elasticity, spinnability, and dyeing properties, resulting in faster color absorption, stronger colorfastness, and brighter colors.
Sodium allylsulfonate Chemical Properties
| Melting point | 242 °C (decomp) |
| Density | 1.206 |
| Vapor pressure | 0Pa at 25℃ |
| Storage temp. | Inert atmosphere,Room Temperature |
| Solubility | soluble in Alcohol, Dimethylformamide |
| Form | Powder |
| Specific Gravity | 1.25 |
| Color | White |
| Water Solubility | 4 g/100 mL |
| Hydrolytic Sensitivity | 0: forms stable aqueous solutions |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| InChIKey | DIKJULDDNQFCJG-UHFFFAOYSA-M |
| LogP | -3.5 at 20℃ |
| CAS DataBase Reference | 2495-39-8(CAS DataBase Reference) |
| EPA Substance Registry System | 2-Propene-1-sulfonic acid, sodium salt (2495-39-8) |
| Hazard Codes | Xi,N |
| Risk Statements | 36/37/38-50/53-41 |
| Safety Statements | 24/25-61-60-39-26 |
| TSCA | Yes |
| HS Code | 29041000 |
| Hazardous Substances Data | 2495-39-8(Hazardous Substances Data) |
Product Application of Sodium Allylsulfonate CAS# 2495-39-8
Sodium allylsulfonate is used as a third monomer in acrylic fiber production to enhance the fiber’s dyeing performance. It can also be applied as an electroplating brightener, a water stabilizer, and a mud additive in various industrial processes.




