2-Chloroethyl p-toluenesulfonate

2-氯乙基对甲苯磺酸酯

Also known as: β-Chloroethyl p-toluenesulfonate, 2-Chloroethyl 4-methylbenzenesulfonate, 2-(p-Toluenesulfonyloxy)ethyl chloride, p-Toluenesulfonic acid 2-chloroethyl ester, 2-Chloroethyl tosylate, Ethanol, 2-chloro-, 4-methylbenzenesulfonate, NSC 6079

2-Chloroethyl p-toluenesulfonate (CAS 80-41-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C9H11ClO3S and a molecular weight of 234.700 g/mol. It is also known as β-Chloroethyl p-toluenesulfonate, 2-Chloroethyl 4-methylbenzenesulfonate and 2-(p-Toluenesulfonyloxy)ethyl chloride. Key properties include a melting point of 157-161ºC, a boiling point of 393.3±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 185.5±20.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
80-41-1
Jingsj CID
J-40842-8
Molecular Formula
C9H11ClO3S
Chinese Name
2-氯乙基对甲苯磺酸酯
Molecular Weight
234.700 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Melting Point157-161ºC
Boiling Point393.3±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point185.5±20.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Chloroethyl p-toluenesulfonate?

The CAS number of 2-Chloroethyl p-toluenesulfonate is 80-41-1.

What are the molecular formula and molecular weight of 2-Chloroethyl p-toluenesulfonate?

2-Chloroethyl p-toluenesulfonate has molecular formula C9H11ClO3S and molecular weight 234.700 g/mol.

Is 2-Chloroethyl p-toluenesulfonate hazardous?

2-Chloroethyl p-toluenesulfonate 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. "2-Chloroethyl p-toluenesulfonate (CAS 80-41-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40842-8 (accessed 2026-10-22).

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