3,7-Dithia-1,9-nonanedithiol

3,7-二硫杂-1,9-壬二硫醇

Also known as: 1,3-Bis(2-mercaptoethylthio)propane, 2,2'-(Trimethylenedithio)diethanethiol, 1,4,8,11-Tetrathiaundecane, 1,9-Dimercapto-3,7-dithianonane, 2-[3-(2-Sulfanylethylsulfanyl)propylsulfanyl]ethanethiol, Ethanethiol, 2,2'-[1,3-propanediylbis(thio)]bis-, 3,7-Dithianonane-1,9-dithiol

3,7-Dithia-1,9-nonanedithiol (CAS 25676-62-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C7H16S4 and a molecular weight of 228.46200 g/mol. It is also known as 1,3-Bis(2-mercaptoethylthio)propane, 2,2'-(Trimethylenedithio)diethanethiol and 1,4,8,11-Tetrathiaundecane. Key properties include a boiling point of 350.1ºC at 760 mmHg, a density of 1.18 and a flash point of 165.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 25676-62-4
Jingsj CID: J-1500436-9
Molecular Formula: C₇H₁₆S₄
Chinese Name: 3,7-二硫杂-1,9-壬二硫醇
Molecular Weight: 228.46200 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	350.1ºC at 760 mmHg
Density	1.18
Flash Point	165.5ºC

Frequently Asked Questions

What is the CAS number of 3,7-Dithia-1,9-nonanedithiol?

The CAS number of 3,7-Dithia-1,9-nonanedithiol is 25676-62-4.

What are the molecular formula and molecular weight of 3,7-Dithia-1,9-nonanedithiol?

3,7-Dithia-1,9-nonanedithiol has molecular formula C7H16S4 and molecular weight 228.46200 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,7-Dithia-1,9-nonanedithiol (CAS 25676-62-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500436-9 (accessed 2026-10-23).

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