Sodium di-n-octyl sulfosuccinate
磺基琥珀酸二正辛酯钠盐
Also known as: Sodium 1,4-bis(octyloxy)-1,4-dioxobutane-2-sulfonate, di-n-octyl 2-sulfosuccinate sodium salt, Penetrant T, Sulfonated aliphatic polyester, Dioctyl sodium sulfosuccinate (ambiguous, primarily 577-11-7), Sodium dioctyl sulfosuccinate (ambiguous)
Sodium di-n-octyl sulfosuccinate (CAS 1639-66-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C20H37NaO7S and a molecular weight of 444.55800 g/mol. It is also known as Sodium 1,4-bis(octyloxy)-1,4-dioxobutane-2-sulfonate, di-n-octyl 2-sulfosuccinate sodium salt and Penetrant T. Key property: a density of 1.098 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1639-66-3
- Jingsj CID
- J-28539-7
- Molecular Formula
- C20H37NaO7S
- Chinese Name
- 磺基琥珀酸二正辛酯钠盐
- Molecular Weight
- 444.55800 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.098 g/cm3 |
|---|---|
| Exact Mass | 444.21600 |
| PSA | 118.18000 |
| LogP | 5.17850 |
| Refractive Index | 1.477 |
Customs & Trade Information
| HS Code | 2914509090 |
|---|---|
| Summary | HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Sodium di-n-octyl sulfosuccinate?
The CAS number of Sodium di-n-octyl sulfosuccinate is 1639-66-3.
What are the molecular formula and molecular weight of Sodium di-n-octyl sulfosuccinate?
Sodium di-n-octyl sulfosuccinate has molecular formula C20H37NaO7S and molecular weight 444.55800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Sodium di-n-octyl sulfosuccinate (CAS 1639-66-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28539-7 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.