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2-(4-Pyridyl)ethanesulfonic Acid

2-(4-吡啶基)乙磺酸

Also known as: 4-Pyridineethanesulfonic acid, 2-(Pyridin-4-yl)ethane-1-sulphonic acid, 2-pyridin-4-ylethanesulfonic acid, 4-PYRIDYL-2-ETHYL SULFONIC ACID, 4PYESA, PESA, Pyridin-4-ylethanesulfonic acid, PYRIDIN-4-YLETHANESULPHONIC ACID, PYRID-4-YLETHYLSULFONIC ACID

2-(4-Pyridyl)ethanesulfonic Acid (CAS 53054-76-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO3S and a molecular weight of 187.21600 g/mol. It is also known as 4-Pyridineethanesulfonic acid, 2-(Pyridin-4-yl)ethane-1-sulphonic acid and 2-pyridin-4-ylethanesulfonic acid. Key properties include a melting point of 297-299 °C (dec.)(lit.) and a density of 1.397 g/cm3. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
53054-76-5
Jingsj CID
J-9743-3
Molecular Formula
C7H9NO3S
Chinese Name
2-(4-吡啶基)乙磺酸
Molecular Weight
187.21600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point297-299 °C (dec.)(lit.)
Density1.397 g/cm3

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-(4-Pyridyl)ethanesulfonic Acid?

The CAS number of 2-(4-Pyridyl)ethanesulfonic Acid is 53054-76-5.

What are the molecular formula and molecular weight of 2-(4-Pyridyl)ethanesulfonic Acid?

2-(4-Pyridyl)ethanesulfonic Acid has molecular formula C7H9NO3S and molecular weight 187.21600 g/mol.

Is 2-(4-Pyridyl)ethanesulfonic Acid hazardous?

2-(4-Pyridyl)ethanesulfonic Acid 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-(4-Pyridyl)ethanesulfonic Acid (CAS 53054-76-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9743-3 (accessed 2026-10-23).

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