Sodium 4-vinylbenzenesulfonate

对苯乙烯磺酸钠

Also known as: Sodium p-styrenesulfonate, 4-Vinylbenzenesulfonic acid sodium salt, Styrene-4-sulfonic acid sodium salt, p-Vinylbenzenesulphonic acid sodium salt, Sodium 4-ethenylbenzenesulfonate, Sodium p-styrenesulfonate hydrate, 4-Styrenesulfonic acid sodium salt, Sodium styrene sulfonate, SSS, p-Sodium styrenesulfonate

Sodium 4-vinylbenzenesulfonate (CAS 2695-37-6) 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. It is also known as Sodium p-styrenesulfonate, 4-Vinylbenzenesulfonic acid sodium salt and Styrene-4-sulfonic acid sodium salt. Key properties include a melting point of 151-154 °C, a boiling point of 111-112 °C, a density of 1.043 g/mL at 25 °C and a flash point of 78 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2695-37-6
Jingsj CID
J-1062957-0
Molecular Formula
C8H7NaO3S
Chinese Name
对苯乙烯磺酸钠
Molecular Weight
206.194 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point151-154 °C
Boiling Point111-112 °C
Density1.043 g/mL at 25 °C
Flash Point78 °F

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Sodium 4-vinylbenzenesulfonate?

The CAS number of Sodium 4-vinylbenzenesulfonate is 2695-37-6.

What are the molecular formula and molecular weight of Sodium 4-vinylbenzenesulfonate?

Sodium 4-vinylbenzenesulfonate has molecular formula C8H7NaO3S and molecular weight 206.194 g/mol.

Is Sodium 4-vinylbenzenesulfonate hazardous?

Sodium 4-vinylbenzenesulfonate has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Sodium 4-vinylbenzenesulfonate (CAS 2695-37-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1062957-0 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.