4,5-Methylenedithio-1,3-dithiol-2-one
4,5-甲二硫基-1,3-二硫醇-2-酮
Also known as: [1,3]Dithiolo[4,5-d][1,3]dithiol-2-one, 4,5-Methylenedithio-1,3-dithiol-2-one, 4,5-Methylenedithio-1,3-dithiol-2-one (ketone)
4,5-Methylenedithio-1,3-dithiol-2-one (CAS 85720-62-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C4H2OS4 and a molecular weight of 194.31800 g/mol. It is also known as [1,3]Dithiolo[4,5-d][1,3]dithiol-2-one and 4,5-Methylenedithio-1,3-dithiol-2-one (ketone). Key properties include a boiling point of 398.8ºC at 760 mmHg, a density of 1.86g/cm3 and a flash point of 198.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 85720-62-3
- Jingsj CID
- J-37063-9
- Molecular Formula
- C4H2OS4
- Chinese Name
- 4,5-甲二硫基-1,3-二硫醇-2-酮
- Molecular Weight
- 194.31800 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 398.8ºC at 760 mmHg |
|---|---|
| Density | 1.86g/cm3 |
| Flash Point | 198.6ºC |
Frequently Asked Questions
What is the CAS number of 4,5-Methylenedithio-1,3-dithiol-2-one?
The CAS number of 4,5-Methylenedithio-1,3-dithiol-2-one is 85720-62-3.
What are the molecular formula and molecular weight of 4,5-Methylenedithio-1,3-dithiol-2-one?
4,5-Methylenedithio-1,3-dithiol-2-one has molecular formula C4H2OS4 and molecular weight 194.31800 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5-Methylenedithio-1,3-dithiol-2-one (CAS 85720-62-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37063-9 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.