p-Toluenesulfonic acid monohydrate

对甲苯磺酸一水合物

Also known as: 4-Methylbenzenesulfonic acid monohydrate, Tosylic acid monohydrate, TsOH·H2O, p-Toluene sulfonic acid monohydrate, Benzenesulfonic acid, 4-methyl-, monohydrate, toluene-p-sulfonic acid monohydrate, UNII-3BTO78GAFF, MFCD00142137

p-Toluenesulfonic acid monohydrate (CAS 6192-52-5) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C7H10O4S and a molecular weight of 190.217 g/mol. It is also known as 4-Methylbenzenesulfonic acid monohydrate, Tosylic acid monohydrate and TsOH·H2O. Key properties include a melting point of 96-99 °C(lit.), a boiling point of 140°C 20mm, a density of 1,24 g/cm3 and a flash point of 180 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6192-52-5
Jingsj CID
J-45555-4
Molecular Formula
C7H10O4S
Chinese Name
对甲苯磺酸一水合物
Molecular Weight
190.217 g/mol
Category
Solvents
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point96-99 °C(lit.)
Boiling Point140°C 20mm
Density1,24 g/cm3
Flash Point180 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of p-Toluenesulfonic acid monohydrate?

The CAS number of p-Toluenesulfonic acid monohydrate is 6192-52-5.

What are the molecular formula and molecular weight of p-Toluenesulfonic acid monohydrate?

p-Toluenesulfonic acid monohydrate has molecular formula C7H10O4S and molecular weight 190.217 g/mol.

Is p-Toluenesulfonic acid monohydrate hazardous?

p-Toluenesulfonic acid monohydrate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "p-Toluenesulfonic acid monohydrate (CAS 6192-52-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45555-4 (accessed 2026-10-22).

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