Ethyl chlorosulfonate

氯磺酸乙酯

Also known as: Chlorosulfuric acid ethyl ester, Chlorosulfuric acid,ethyl ester, Ethoxysulfonyl chloride, Ethyl chlorosulfate, Ethyl chlorosulphonate, Ethyl sulfurochloridate, Chloridosulfuric acid ethyl ester, Chloroschwefelsaeure-aethylester, Aethyl-chlorosulfat, Aethyl-chlorsulfonat, chlorosulfonic acid ethylester, chlorosulfonyloxyethane, Parecoxib Impurity 30, EINECS 210-874-7

Ethyl chlorosulfonate (CAS 625-01-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H5ClO3S and a molecular weight of 144.57700 g/mol. It is also known as Chlorosulfuric acid ethyl ester, Chlorosulfuric acid,ethyl ester and Ethoxysulfonyl chloride. Key properties include a boiling point of 152-153(分解) and a density of 1.38(0ºC). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
625-01-4
Jingsj CID
J-887237-5
Molecular Formula
C2H5ClO3S
Chinese Name
氯磺酸乙酯
Molecular Weight
144.57700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point152-153(分解)
Density1.38(0ºC)

Frequently Asked Questions

What is the CAS number of Ethyl chlorosulfonate?

The CAS number of Ethyl chlorosulfonate is 625-01-4.

What are the molecular formula and molecular weight of Ethyl chlorosulfonate?

Ethyl chlorosulfonate has molecular formula C2H5ClO3S and molecular weight 144.57700 g/mol.

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

Last updated:

How to cite: Jingsj. "Ethyl chlorosulfonate (CAS 625-01-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-887237-5 (accessed 2026-10-23).

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