2(1H)-Quinoxalinone
Also known as: 1,2-Dihydroquinoxalin-2-one, 2-(1H)-Quinoxalinone, 2-Hydroxyquinoxaline, 2-Quinoxalinol, 2-Quinoxalinone, 2-Quinoxalone, 3-Quinoxalinone, Quinoxalin-2(1H)-one, Quinoxalin-2-ol, Quinoxalinone, quinoxalin-2-ol
2(1H)-Quinoxalinone (CAS 1196-57-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6N2O and a molecular weight of 146.146 g/mol. Key properties include a melting point of 271-272°C, a boiling point of 363.4±22.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 173.6±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1196-57-2
- Jingsj CID
- J-34506-2
- Molecular Formula
- C8H6N2O
- Molecular Weight
- 146.146 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 271-272°C |
|---|---|
| Boiling Point | 363.4±22.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 173.6±22.3 °C |
| Exact Mass | 146.048019 |
| PSA | 46.01000 |
| LogP | 1.89 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.705 |
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 2(1H)-Quinoxalinone?
The CAS number of 2(1H)-Quinoxalinone is 1196-57-2.
What are the molecular formula and molecular weight of 2(1H)-Quinoxalinone?
2(1H)-Quinoxalinone has molecular formula C8H6N2O and molecular weight 146.146 g/mol.
What are the upstream and downstream products of 2(1H)-Quinoxalinone?
For 2(1H)-Quinoxalinone, Upstream Products: Ethyl glyoxylate, o-Phenylenediamine, Glyoxylic acid; Downstream Products: 3,4-dihydroquinoxalin-2(1H)-one, 6-Bromoquinoxalin-2(1H)-one, 6-Bromo-2-chloroquinoxaline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2(1H)-Quinoxalinone (CAS 1196-57-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34506-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.