Potassium 2-naphthalenesulfonate

萘-2-磺酸钾

Also known as: 2-Naphthalenesulfonic acid potassium salt, Potassium naphthalene-2-sulfonate, 2-Naphthyl sulfate potassium salt

Potassium 2-naphthalenesulfonate (CAS 21409-32-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7KO3S and a molecular weight of 246.32400 g/mol. It is also known as 2-Naphthalenesulfonic acid potassium salt, Potassium naphthalene-2-sulfonate and 2-Naphthyl sulfate potassium salt. Key property: a melting point of >300ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21409-32-5
Jingsj CID
J-43229-0
Molecular Formula
C10H7KO3S
Chinese Name
萘-2-磺酸钾
Molecular Weight
246.32400 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point>300ºC

Frequently Asked Questions

What is the CAS number of Potassium 2-naphthalenesulfonate?

The CAS number of Potassium 2-naphthalenesulfonate is 21409-32-5.

What are the molecular formula and molecular weight of Potassium 2-naphthalenesulfonate?

Potassium 2-naphthalenesulfonate has molecular formula C10H7KO3S and molecular weight 246.32400 g/mol.

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

Last updated:

How to cite: Jingsj. "Potassium 2-naphthalenesulfonate (CAS 21409-32-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43229-0 (accessed 2026-10-24).

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