1-benzofuran-2-sulfonyl chloride

1-苯并呋喃-2-磺酰氯

Also known as: benzofuran-2-sulfonyl chloride, 2-benzofuransulfonyl chloride, benzo[b]furan-2-sulfonyl chloride, benzo[b]furan-2-ylsulfonyl chloride, benzo[d]furan-2-ylchlorosulfone, 1-benzofuran-2-sulphonyl chloride, 1-benzofuran-2-ylsulphonyl chloride

1-benzofuran-2-sulfonyl chloride (CAS 17070-58-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H5ClO3S and a molecular weight of 216.641 g/mol. It is also known as benzofuran-2-sulfonyl chloride, 2-benzofuransulfonyl chloride and benzo[b]furan-2-sulfonyl chloride. Key properties include a melting point of 78-80ºC, a boiling point of 322.5±15.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 148.8±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17070-58-5
Jingsj CID: J-1422892-8
Molecular Formula: C₈H₅ClO₃S
Chinese Name: 1-苯并呋喃-2-磺酰氯
Molecular Weight: 216.641 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	78-80ºC
Boiling Point	322.5±15.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	148.8±20.4 °C

Frequently Asked Questions

What is the CAS number of 1-benzofuran-2-sulfonyl chloride?

The CAS number of 1-benzofuran-2-sulfonyl chloride is 17070-58-5.

What are the molecular formula and molecular weight of 1-benzofuran-2-sulfonyl chloride?

1-benzofuran-2-sulfonyl chloride has molecular formula C8H5ClO3S and molecular weight 216.641 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-benzofuran-2-sulfonyl chloride (CAS 17070-58-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422892-8 (accessed 2026-10-24).

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