Sodium 4-vinylbenzenesulfonate
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. 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 25.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.
- CAS No.
- 2695-37-6
- Jingsj CID
- J-1062957-9
- Molecular Formula
- C8H7NaO3S
- Molecular Weight
- 206.194 g/mol
- Category
- Organic Acids
- Last updated
- 11/2/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 151-154 °C |
|---|---|
| Boiling Point | 111-112 °C |
| Density | 1.043 g/mL at 25 °C |
| Flash Point | 25.6 °C |
| Exact Mass | 206.001358 |
| PSA | 65.58000 |
| LogP | 2.31450 |
| Refractive Index | n20/D 1.387 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
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 and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of Sodium 4-vinylbenzenesulfonate?
For Sodium 4-vinylbenzenesulfonate, Downstream Products: 4-Vinylbenzenesulfonamide, Sodium 4-formylbenzenesulfonate, Benzenesulfonic acid, 4-ethyl-, sodium salt (1:1).
Data compiled from public chemical databases such as PubChem 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-1062957-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.