6-chloro-1,4-dihydroquinoxaline-2,3-dione
Also known as: 2,3-dihydroxy-6-chloroquinoxaline, 6-chloroquinoxaline-2,3-diol, 6-chloro-2,3-dioxo-1,2,3,4-tetrahydroquinoxaline, 6-chloro-1,4-dihydro-2,3-quinoxalinedione, 6-chloro-1,2,3,4-tetrahydroquinoxaline-2,3-dione, 6-chloro-1,4-dihydro-3-quinoxalinedione, 6-chloroquinoxazalone, 6-chloro-2,3-quinoxalinediol
6-chloro-1,4-dihydroquinoxaline-2,3-dione (CAS 6639-79-8) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H5ClN2O2 and a molecular weight of 196.590 g/mol. Key properties include a melting point of 250ºC, a boiling point of 497.5±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 254.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 6639-79-8
- Jingsj CID
- J-26152-9
- Molecular Formula
- C8H5ClN2O2
- Molecular Weight
- 196.590 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 250ºC |
|---|---|
| Boiling Point | 497.5±40.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 254.7±27.3 °C |
| Exact Mass | 196.003952 |
| PSA | 66.24000 |
| LogP | 3.43 |
| Vapor Pressure | 0.0±1.3 mmHg at 25°C |
| Refractive Index | 1.761 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 6-chloro-1,4-dihydroquinoxaline-2,3-dione?
The CAS number of 6-chloro-1,4-dihydroquinoxaline-2,3-dione is 6639-79-8.
What are the molecular formula and molecular weight of 6-chloro-1,4-dihydroquinoxaline-2,3-dione?
6-chloro-1,4-dihydroquinoxaline-2,3-dione has molecular formula C8H5ClN2O2 and molecular weight 196.590 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "6-chloro-1,4-dihydroquinoxaline-2,3-dione (CAS 6639-79-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26152-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.