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
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 259.5ºC |
|---|---|
| Boiling Point | 94-99 °C |
| Density | 0.852 g/mL at 25 °C |
| Flash Point | 30 °F |
| Exact Mass | 460.30100 |
| PSA | 62.75000 |
| LogP | 9.75350 |
| Refractive Index | n20/D 1.465 |
| Additional Property | H2O: insoluble |
Customs & Trade Information
| HS Code | 2904100000 |
|---|---|
| Summary | 2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
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 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.