1,2,4,9-Tetrahydro-carbazol-3-one
Also known as: 4,9-Dihydro-1H-carbazol-3(2H)-one, 1,2,4,9-Tetrahydro-3H-carbazol-3-one, 1,2,4,9-tetrahydrocarbazol-3-one, 3H-Carbazol-3-one, 1,2,4,9-tetrahydro-
1,2,4,9-Tetrahydro-carbazol-3-one (CAS 51145-61-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H11NO and a molecular weight of 185.222 g/mol. Key properties include a boiling point of 388.8±42.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 196.0±35.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51145-61-0
- Jingsj CID
- J-995642-7
- Molecular Formula
- C12H11NO
- Molecular Weight
- 185.222 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 388.8±42.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 196.0±35.3 °C |
| Exact Mass | 185.084061 |
| PSA | 32.86000 |
| LogP | 1.65 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.689 |
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 1,2,4,9-Tetrahydro-carbazol-3-one?
The CAS number of 1,2,4,9-Tetrahydro-carbazol-3-one is 51145-61-0.
What are the molecular formula and molecular weight of 1,2,4,9-Tetrahydro-carbazol-3-one?
1,2,4,9-Tetrahydro-carbazol-3-one has molecular formula C12H11NO and molecular weight 185.222 g/mol.
What are the upstream and downstream products of 1,2,4,9-Tetrahydro-carbazol-3-one?
For 1,2,4,9-Tetrahydro-carbazol-3-one, Upstream Products: 1,4-Dioxaspiro[4.5]decan-8-one, 4-(Benzoyloxy)cyclohexanone, Phenylhydrazine; Downstream Products: 3-Amino-1,2,3,4-tetrahydrocarbazole, Ramatroban.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,4,9-Tetrahydro-carbazol-3-one (CAS 51145-61-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-995642-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.