1-ethyl-1H-indole-2,3-dione
Also known as: 1-ETHYL-1H-INDOLE-2,3-DIONE, 1-Ethylisatin, 1-ethyl-1,3-dihydro-2,3-dioxo-2H-indole, 1-ethyl-2,3-dihydro-1H-indole-2,3-dione, 1-ethylindole-2,3-dione, 1-ethylindoline-2,3-dione, N-Ethylisatin, 1H-indole-2,3-dione, 1-ethyl-, AKOS B029030, AKOS BBS-00001000, AKOS BC-1697, AURORA 1402, IFLAB-BB F0347-1871, TIMTEC-BB SBB006825, F0347-1871
1-ethyl-1H-indole-2,3-dione (CAS 4290-94-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H9NO2 and a molecular weight of 175.18400 g/mol. Key properties include a boiling point of 306.5ºC at 760mmHg, a density of 1.249g/cm3 and a flash point of 140ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4290-94-2
- Jingsj CID
- J-1002157-5
- Molecular Formula
- C10H9NO2
- Molecular Weight
- 175.18400 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 306.5ºC at 760mmHg |
|---|---|
| Density | 1.249g/cm3 |
| Flash Point | 140ºC |
| Exact Mass | 175.06300 |
| PSA | 37.38000 |
| LogP | 1.30080 |
| Refractive Index | 1.584 |
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 1-ethyl-1H-indole-2,3-dione?
The CAS number of 1-ethyl-1H-indole-2,3-dione is 4290-94-2.
What are the molecular formula and molecular weight of 1-ethyl-1H-indole-2,3-dione?
1-ethyl-1H-indole-2,3-dione has molecular formula C10H9NO2 and molecular weight 175.18400 g/mol.
What are the upstream and downstream products of 1-ethyl-1H-indole-2,3-dione?
For 1-ethyl-1H-indole-2,3-dione, Upstream Products: isatin, Iodoethane, Bromoethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-ethyl-1H-indole-2,3-dione (CAS 4290-94-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002157-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.