Poly(4-styrenesulfonic acid) ammonium salt solution
Poly(4-styrenesulfonic acid) ammonium salt solution (CAS 29965-34-2) is an anionic polyelectrolyte supplied as a 30 wt. % aqueous solution. With a molecular weight of approximately 200,000 g/mol, this hydrophilic polymer exhibits a pH of 3-4 and a viscosity of around 200 cP. It is primarily utilised as an effective antistatic coating for specialty paper and synthetic films, leveraging its charged nature to dissipate static electricity.
- IUPAC
- PSS

Antistatic Coatings
Applied to specialty paper and synthetic films, this solution effectively prevents the build-up of static electricity, improving handling and reducing dust attraction.
Materials Science Research
Used in research and development for creating functional surfaces and materials, particularly where electrostatic control or specific surface interactions are required.
Polyelectrolyte Applications
Serves as a key component in studies and applications involving polyelectrolytes, including self-assembly and surface modification techniques like SAMS.
| Refractive index | n20/D ~1.3961 |
|---|---|
| pH | 3-4 (25 °C) |
| Concentration | 30 wt. % in H2O |
| Viscosity | ~200 cP(~25 °C, Brookfield)(20 rpm) |
| Application | Effective antistatic coating for specialty paper and synthetic films. |
| Mol Wt | Mw ~200,000 |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Poly(4-styrenesulfonic acid) ammonium salt solution used for?
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Poly(4-styrenesulfonic acid) ammonium salt solution is primarily used as an effective antistatic coating for specialty paper and synthetic films. It is also utilized in materials science research and other polyelectrolyte applications.
What are the CAS number and formula for Poly(4-styrenesulfonic acid) ammonium salt solution?
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The CAS number is 29965-34-2. The chemical formula is not explicitly provided but it is a polymer of 4-styrenesulfonic acid, ammonium salt.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Poly(4-styrenesulfonic acid) ammonium salt solution typically as a technical or research grade. We do not represent this product as USP, BP, EP, or any other pharmacopoeia standard unless explicitly stated in the product specifications.
What are the safety and handling considerations for this product?
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This product has a WGK Germany rating of 3, indicating it is hazardous to water. Appropriate personal protective equipment should be used, and contact with skin and eyes should be avoided. Refer to the Safety Data Sheet for detailed handling information.
How is this chemical packed and shipped?
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Tech Serve Solutions packages and exports chemicals following international shipping regulations to ensure safe transit and delivery worldwide.
How can I request a sample or quote?
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To request a sample or a quote for Poly(4-styrenesulfonic acid) ammonium salt solution, please contact our sales team through the website or by phone.
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