1,8-Diazafluoren-9-one
Also known as: DFO, 1,8-Diazafluoran-9-one, Cyclopenta[1,2-b:4,3-b']dipyridin-9-one, 9H-Cyclopenta[1,2-b:4,3-b']dipyridin-9-one, 9H-Pyrido[3',2':3,4]cyclopenta[1,2-b]pyridin-9-one, 1,8-Diaza-9H-fluoren-9-one, 4-5-Diazafluorenone-0
1,8-Diazafluoren-9-one (CAS 54078-29-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H6N2O and a molecular weight of 182.178 g/mol. Key properties include a melting point of 229-233ºC, a boiling point of 396.3±17.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 196.1±27.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 54078-29-4
- Jingsj CID
- J-1963396-7
- Molecular Formula
- C11H6N2O
- Molecular Weight
- 182.178 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 229-233ºC |
|---|---|
| Boiling Point | 396.3±17.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 196.1±27.4 °C |
| Exact Mass | 182.048019 |
| PSA | 42.85000 |
| LogP | 0.98 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.689 |
| Storage Conditions | 2-8°C |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Additional Property | acetic acid: 10 mg/mL, clear |
Activity & Biological Data
| Additional Information | [1]. D'Elia V, et al. Evaluation and comparison of 1,2-indanedione and 1,8-diazafluoren-9-one solutions for the enhancement of latent fingerprints on porous surfaces. Forensic Sci Int. 2015 Sep;254:205-14. |
|---|
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 1,8-Diazafluoren-9-one?
The CAS number of 1,8-Diazafluoren-9-one is 54078-29-4.
What are the molecular formula and molecular weight of 1,8-Diazafluoren-9-one?
1,8-Diazafluoren-9-one has molecular formula C11H6N2O and molecular weight 182.178 g/mol.
What are the upstream and downstream products of 1,8-Diazafluoren-9-one?
For 1,8-Diazafluoren-9-one, Upstream Products: Phanquinone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,8-Diazafluoren-9-one (CAS 54078-29-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1963396-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.