Pyridinium p-toluenesulfonate

4-甲基苯磺酸吡啶鎓

Also known as: 4-methylbenzenesulfonate,pyridin-1-ium, p-Toluenesulfonic acid pyridine salt, Pyridinium 4-toluenesulfonate, Pyridinium toluene-4-sulphonate, Pyridine p-toluenesulfonate, Pyridin-1-ium 4-methylbenzenesulfonate, PPTS, MFCD00013108, EINECS 246-002-7

Pyridinium p-toluenesulfonate (CAS 24057-28-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H13NO3S and a molecular weight of 251.301 g/mol. It is also known as 4-methylbenzenesulfonate,pyridin-1-ium, p-Toluenesulfonic acid pyridine salt and Pyridinium 4-toluenesulfonate. Key properties include a melting point of 117-120 °C and a boiling point of 442.7ºC at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
24057-28-1
Jingsj CID
J-1515844-8
Molecular Formula
C12H13NO3S
Chinese Name
4-甲基苯磺酸吡啶鎓
Molecular Weight
251.301 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point117-120 °C
Boiling Point442.7ºC at 760 mmHg

Frequently Asked Questions

What is the CAS number of Pyridinium p-toluenesulfonate?

The CAS number of Pyridinium p-toluenesulfonate is 24057-28-1.

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

Pyridinium p-toluenesulfonate has molecular formula C12H13NO3S and molecular weight 251.301 g/mol.

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

Last updated:

How to cite: Jingsj. "Pyridinium p-toluenesulfonate (CAS 24057-28-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515844-8 (accessed 2026-10-22).

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