Phenyl ethenesulfonate

乙烯磺酸苯酯

Also known as: Phenyl vinylsulfonate, Phenyl ethylenesulfonate, Vinylsulfonic acid phenyl ester, Ethenesulfonic acid phenyl ester, Ethene-1-sulfonic acid phenyl ester, Phenyl ethene-1-sulfonate, MFCD00012206

Phenyl ethenesulfonate (CAS 1562-34-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O3S and a molecular weight of 184.212 g/mol. It is also known as Phenyl vinylsulfonate, Phenyl ethylenesulfonate and Vinylsulfonic acid phenyl ester. Key properties include a melting point of 38-42ºC(lit.), a boiling point of 196.4±9.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 72.6±18.7 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1562-34-1
Jingsj CID
J-5069-0
Molecular Formula
C8H8O3S
Chinese Name
乙烯磺酸苯酯
Molecular Weight
184.212 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point38-42ºC(lit.)
Boiling Point196.4±9.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point72.6±18.7 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Phenyl ethenesulfonate?

The CAS number of Phenyl ethenesulfonate is 1562-34-1.

What are the molecular formula and molecular weight of Phenyl ethenesulfonate?

Phenyl ethenesulfonate has molecular formula C8H8O3S and molecular weight 184.212 g/mol.

Is Phenyl ethenesulfonate hazardous?

Phenyl ethenesulfonate has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Phenyl ethenesulfonate (CAS 1562-34-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5069-0 (accessed 2026-10-23).

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