2,3-Dihydrobenzo[b][1,4]dioxine-2-sulfonyl chloride

2,3-二氢-1,4-苯并二氧六环-2-磺酰氯

Also known as: 2,3-dihydro-1,4-benzodioxine-2-sulfonyl chloride, 1,4-Benzodioxin-2-sulfonyl chloride, 2,3-dihydro-, 2,3-Dihydro-1,4-benzodioxine-2-sulfonyl chloride, 2,3-dihydrobenzo[b][1,4]dioxine-2-sulfonylchloride

2,3-Dihydrobenzo[b][1,4]dioxine-2-sulfonyl chloride (CAS 499770-80-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO4S and a molecular weight of 234.65700 g/mol. It is also known as 2,3-dihydro-1,4-benzodioxine-2-sulfonyl chloride, 1,4-Benzodioxin-2-sulfonyl chloride, 2,3-dihydro- and 2,3-Dihydro-1,4-benzodioxine-2-sulfonyl chloride. Key properties include a melting point of 112.7ºC, a boiling point of 354.993ºC at 760 mmHg, a density of 1.582g/cm3 and a flash point of 168.494ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
499770-80-8
Jingsj CID
J-1312505-7
Molecular Formula
C8H7ClO4S
Chinese Name
2,3-二氢-1,4-苯并二氧六环-2-磺酰氯
Molecular Weight
234.65700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point112.7ºC
Boiling Point354.993ºC at 760 mmHg
Density1.582g/cm3
Flash Point168.494ºC

Frequently Asked Questions

What is the CAS number of 2,3-Dihydrobenzo[b][1,4]dioxine-2-sulfonyl chloride?

The CAS number of 2,3-Dihydrobenzo[b][1,4]dioxine-2-sulfonyl chloride is 499770-80-8.

What are the molecular formula and molecular weight of 2,3-Dihydrobenzo[b][1,4]dioxine-2-sulfonyl chloride?

2,3-Dihydrobenzo[b][1,4]dioxine-2-sulfonyl chloride has molecular formula C8H7ClO4S and molecular weight 234.65700 g/mol.

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

Last updated:

How to cite: Jingsj. "2,3-Dihydrobenzo[b][1,4]dioxine-2-sulfonyl chloride (CAS 499770-80-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1312505-7 (accessed 2026-10-25).

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