Vinylsulfonic acid
Also known as: Ethenesulfonic acid, Ethylenesulfonic acid, vinylsulphonic acid, VSO, 1-Ethenesulfonic acid, ethylenesulphonic acid
Vinylsulfonic acid (CAS 1184-84-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H4O3S and a molecular weight of 108.11600 g/mol. Key properties include a boiling point of 125ºC, a density of 1.438 g/cm3 and a flash point of 159°C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1184-84-5
- Jingsj CID
- J-1138968-7
- Molecular Formula
- C2H4O3S
- Molecular Weight
- 108.11600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 125ºC |
|---|---|
| Density | 1.438 g/cm3 |
| Flash Point | 159°C(lit.) |
| Exact Mass | 107.98800 |
| PSA | 62.75000 |
| LogP | 1.09850 |
| Refractive Index | 1.4496 |
| Storage Conditions | 2-8°C |
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 Vinylsulfonic acid?
The CAS number of Vinylsulfonic acid is 1184-84-5.
What are the molecular formula and molecular weight of Vinylsulfonic acid?
Vinylsulfonic acid has molecular formula C2H4O3S and molecular weight 108.11600 g/mol.
What are the upstream and downstream products of Vinylsulfonic acid?
For Vinylsulfonic acid, Upstream Products: Sodium ethenesulfonate, Ethenesulfonyl chloride, Sodium isethionate; Downstream Products: Ethanesulfonic acid, 2-Hydroxyethanesulfonic acid, 1,2-Ethanedisulfonic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Vinylsulfonic acid (CAS 1184-84-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1138968-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.