Poly(sodium 4-styrenesulfonate)
Also known as: Poly(styrenesulfonic acid) sodium salt, Poly(4-styrenesulfonic acid) sodium salt, PSS, Sodium poly(styrenesulfonate), Poly(sodium 4-styrenesulfonate) (M.W. ca. 70,000), Poly(sodium 4-vinylbenzenesulfonate)
Poly(sodium 4-styrenesulfonate) (CAS 25704-18-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7NaO3S and a molecular weight of 206.194 g/mol. Key properties include a melting point of 460 °C (dec.), a boiling point of 100 °C and a density of 1.163 g/mL at 25 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 25704-18-1
- Jingsj CID
- J-35492-3
- Molecular Formula
- C8H7NaO3S
- Molecular Weight
- 206.194 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 460 °C (dec.) |
|---|---|
| Boiling Point | 100 °C |
| Density | 1.163 g/mL at 25 °C |
| Exact Mass | 206.001358 |
| PSA | 65.58000 |
| LogP | 2.32500 |
| Appearance | powder |
| Refractive Index | n20/D 1.395 |
| Additional Property | water and lower glycols: soluble | SOLUBLE |
Frequently Asked Questions
What is the CAS number of Poly(sodium 4-styrenesulfonate)?
The CAS number of Poly(sodium 4-styrenesulfonate) is 25704-18-1.
What are the molecular formula and molecular weight of Poly(sodium 4-styrenesulfonate)?
Poly(sodium 4-styrenesulfonate) has molecular formula C8H7NaO3S and molecular weight 206.194 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Poly(sodium 4-styrenesulfonate) (CAS 25704-18-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35492-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.