Polystyrene sulfonic acid ( PSS )
- CAS No. ：28210-41-5
- Molecular Formula：C8H8O3S
- Purity：
- Molecular Weight：184.21g/mol
Product Details
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| Chemical Properities of Polystyrene sulfonic acid ( PSS ) | |
|---|---|
| Molecular Formula: | (C₈H₈O₃S)ₙ |
| CAS: | 28210-41-5 |
| Appearance: | Light yellow liquid |
| Average Molecular Weight: | (7-8) × 10⁴ |
| Solid Content (wt %): | 27-34% |
Polystyrene sulfonic acid (PSS) is a high-molecular-weight polyelectrolyte containing sulfonic acid groups, giving it strong acidic properties. It is soluble in water, alcohols, and glycerol and typically appears as a light yellow to amber solution. Its acidic nature, with a pH around 1.55, makes it suitable for various industrial and medical applications.
Polystyrene sulfonic acid (PSS) acts as a cation-exchange resin. When administered orally or rectally, it binds potassium ions in the gastrointestinal tract and replaces them with sodium or calcium ions. This exchange helps to reduce excess potassium levels in the blood, making it useful in treating hyperkalemia (high potassium levels), particularly in patients with kidney problems. As a water-soluble polymer, PSS acts as a reactive emulsifier and helps in water treatment processes by aiding in the removal of unwanted ions or contaminants.
| Safety and Handling | |
|---|---|
| pH Consideration | The strongly acidic pH (0-2) means that PSS should be handled with care, using appropriate personal protective equipment to avoid skin or eye contact. |
| Package | Typically supplied in 25kg plastic drums to ensure safe and convenient storage and transportation. |
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