Poly CAS 25704-18-1, Poly, CAS 25704-18-1
CAS Number: 25704-18-1,Molecular formula: (C₈H₇NaO₃S)ₙ,Molecular weight: Average molecular weight (Mw) 70,000-1,000,000 (Common specifications: 70,000, 750,000, 1,000,000)
25704-18-1
C10H13NaO3S
236.26319
607-780-7
| CAS | 25704-18-1 |
| Molecular formula | C10H13NaO3S |
| Molecular weight | 236.26319 |
| EIENCS | 607-780-7 |
| Form | powder |
| Melting point | 460 °C |
| boling point | 100°C |
| Density | 1.163 g/mL at 25 °C |
| Solubility | water and lower glycols: soluble |
| PKA | / |
| Color | White to tan |
| Storage temp | / |
Chemical Name: Poly(sodium 4-styrenesulfonate)
CAS Number: 25704-18-1
Molecular formula: (C₈H₇NaO₃S)ₙ
Molecular weight: Average molecular weight (Mw) 70,000-1,000,000 (Common specifications: 70,000, 750,000, 1,000,000)
Appearance: Light yellow to light amber transparent liquid (liquid) or white powder (solid)
Solubility: Readily soluble in water and lower alcohols (such as ethylene glycol), insoluble in organic solvents (benzene, petroleum ether)
1. Water treatment technology
Dispersant/flocculant: Increase the concentration of water-coal slurry by 2%, reduce viscosity by more than 15%, and effectively remove suspended particles.
Circulating water system: Inhibits scaling and enhances the efficiency of industrial water treatment
2. Biomedical
Drug carrier: The drug loading capacity is 1.2-1.5%, and the cumulative drug release rate within 3 hours reaches 52.1%.
Cell tracker: Near-infrared fluorescent labeling (RB-PSS) is used for in vivo imaging, with a cell survival rate of over 95%
3. Membrane Materials and New Energy
Forward osmosis membrane modification: A 5% doping amount increases water flux by 1.26 times and salt retention rate by 90.5% (enhanced hydrophilicity and reduced contact Angle by 12°).
Fuel cell electrolyte: Combined with Nafion to enhance the conductivity of bismuth membrane electrodes
4. Industrial and Electronic Materials
Reactive emulsifiers: used in water-based coatings and polymer emulsions;
Semiconductor/imaging film: Anti-static coating, conductive resin substrate;
Cosmetics: Film-forming agents, viscosity regulators (shampoo, nail polish, etc.)
5. Regulation of natural gas hydrates
Thermodynamic accelerator: Adding 0.2% increases the conversion rate of ethylene hydrate to 80%, and the critical formation pressure error is only 1.1%
Risk identification: Xn (Hazardous substance), irritating eyes/skin/respiratory system (R36/37/38);
Storage conditions: Keep sealed, away from light, in a cool and dry place (temperature <30°C), avoiding oxidation and polymerization.
Transport Code: China Customs HS Code 3903.9000 (Value-added tax rate 13%).
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