Dinonylnaphthalenesulfonic acid

二壬基萘磺酸

Also known as: DNNSA, dinonylnaphthalenesulfonic acid sol., Dinonylnaphthalene sulfonic acid, Naphthalenesulfonic acid, dinonyl-, dinonylnaphthalenesulphonic acid, 4,5-dinonylnaphthalene-2-sulfonic acid, 2,3-dinonylnaphthalene-1-sulfonic acid

Dinonylnaphthalenesulfonic acid (CAS 25322-17-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C28H44O3S and a molecular weight of 460.71200 g/mol. It is also known as DNNSA, dinonylnaphthalenesulfonic acid sol. and Dinonylnaphthalene sulfonic acid. Key properties include a melting point of 259.5ºC, a boiling point of 94-99 °C, a density of 0.852 g/mL at 25 °C and a flash point of 30 °F. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25322-17-2
Jingsj CID
J-42051-2
Molecular Formula
C28H44O3S
Chinese Name
二壬基萘磺酸
Molecular Weight
460.71200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point259.5ºC
Boiling Point94-99 °C
Density0.852 g/mL at 25 °C
Flash Point30 °F

Frequently Asked Questions

What is the CAS number of Dinonylnaphthalenesulfonic acid?

The CAS number of Dinonylnaphthalenesulfonic acid is 25322-17-2.

What are the molecular formula and molecular weight of Dinonylnaphthalenesulfonic acid?

Dinonylnaphthalenesulfonic acid has molecular formula C28H44O3S and molecular weight 460.71200 g/mol.

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

Last updated:

How to cite: Jingsj. "Dinonylnaphthalenesulfonic acid (CAS 25322-17-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42051-2 (accessed 2026-10-24).

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