(E)-2-phenylethenesulfonyl chloride

β-苯乙烯磺酰氯

Also known as: beta-styrene sulfonyl chloride, 2-phenylethenesulfonyl chloride, styrene sulfonyl chloride, styrylsulfonyl chloride, TRANS-BETA-STYRENESULFONYL CHLORIDE, BETA-VINYLBENZENESULFONYL CHLORIDE, 2-phenyl-aethensulfonylchlorid, 2-phenyl-aethensulfonsaeure, 2-phenylethenesulfonic acid chloride, 2-phenylethenesulfonic acid, Ethenesulfonic acid,2-phenyl, [(2-phenylethene)sulfonyl]chloranuide, Einecs 223-833-3

(E)-2-phenylethenesulfonyl chloride (CAS 4091-26-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO2S and a molecular weight of 202.65800 g/mol. It is also known as beta-styrene sulfonyl chloride, 2-phenylethenesulfonyl chloride and styrene sulfonyl chloride. Key properties include a melting point of 85-88 °C(lit.), a boiling point of 322.3ºC at 760 mmHg, a density of 1.385g/cm3 and a flash point of 148.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4091-26-3
Jingsj CID
J-955596-9
Molecular Formula
C8H7ClO2S
Chinese Name
β-苯乙烯磺酰氯
Molecular Weight
202.65800 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point85-88 °C(lit.)
Boiling Point322.3ºC at 760 mmHg
Density1.385g/cm3
Flash Point148.7ºC

Frequently Asked Questions

What is the CAS number of (E)-2-phenylethenesulfonyl chloride?

The CAS number of (E)-2-phenylethenesulfonyl chloride is 4091-26-3.

What are the molecular formula and molecular weight of (E)-2-phenylethenesulfonyl chloride?

(E)-2-phenylethenesulfonyl chloride has molecular formula C8H7ClO2S and molecular weight 202.65800 g/mol.

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

Last updated:

How to cite: Jingsj. "(E)-2-phenylethenesulfonyl chloride (CAS 4091-26-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-955596-9 (accessed 2026-10-22).

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