4,5-Dicyano-1,3-dithiol-2-one
4,5-二氰基-1,3-二硫酚-2-酮
Also known as: 2-Oxo-1,3-dithiole-4,5-dicarbonitrile, 2-keto-1,3-dithiole-4,5-dicarbonitrile, 1,3-Dithiole-4,5-dicarbonitrile, 2-oxo-, 4,5-Dicyano-1,3-dithiolene-2-one
4,5-Dicyano-1,3-dithiol-2-one (CAS 934-31-6) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5N2OS2 and a molecular weight of 168.19600 g/mol. It is also known as 2-Oxo-1,3-dithiole-4,5-dicarbonitrile, 2-keto-1,3-dithiole-4,5-dicarbonitrile and 1,3-Dithiole-4,5-dicarbonitrile, 2-oxo-. Key properties include a melting point of 124ºC, a boiling point of 268.6ºC at 760 mmHg, a density of 1.7 g/cm3 and a flash point of 116.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 934-31-6
- Jingsj CID
- J-39533-3
- Molecular Formula
- C5N2OS2
- Chinese Name
- 4,5-二氰基-1,3-二硫酚-2-酮
- Molecular Weight
- 168.19600 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 124ºC |
|---|---|
| Boiling Point | 268.6ºC at 760 mmHg |
| Density | 1.7 g/cm3 |
| Flash Point | 116.2ºC |
Frequently Asked Questions
What is the CAS number of 4,5-Dicyano-1,3-dithiol-2-one?
The CAS number of 4,5-Dicyano-1,3-dithiol-2-one is 934-31-6.
What are the molecular formula and molecular weight of 4,5-Dicyano-1,3-dithiol-2-one?
4,5-Dicyano-1,3-dithiol-2-one has molecular formula C5N2OS2 and molecular weight 168.19600 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-Dicyano-1,3-dithiol-2-one (CAS 934-31-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39533-3 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.