1,8-Diazafluoren-9-one
Synonym(s):Cyclopenta[1,2-b:4,3-b’]dipyridin-9-one
- CAS NO.：54078-29-4
- Empirical Formula: C11H6N2O
- Molecular Weight: 182.18
- MDL number: MFCD00082335
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-11-04 16:50:48
What is 1,8-Diazafluoren-9-one?
Chemical properties
yellow powder
The Uses of 1,8-Diazafluoren-9-one
1,8-Diazafluoren-9-one is a useful fluorescent reagent for amino acid study.
Purification Methods
Recrystallise it from Me2CO. The oxime has m 119-200o. [Druey & Schmid Helv Chim Acta 33 1080 1950, Beilstein 24 III/IV 622.]
Properties of 1,8-Diazafluoren-9-one
| Melting point: | 229-233 °C |
| Boiling point: | 396.3±17.0 °C(Predicted) |
| Density | 1.387±0.06 g/cm3(Predicted) |
| storage temp. | Inert atmosphere,2-8°C |
| solubility | acetic acid: 10 mg/mL, clear |
| pka | 0.69±0.20(Predicted) |
| form | Solid |
| color | Light yellow to yellow |
| BRN | 134499 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| InChI | InChI=1S/C11H6N2O/c14-11-9-7(3-1-5-12-9)8-4-2-6-13-10(8)11/h1-6H |
| CAS DataBase Reference | 54078-29-4 |
Safety information for 1,8-Diazafluoren-9-one
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 1,8-Diazafluoren-9-one
| InChIKey | FOSUVSBKUIWVKI-UHFFFAOYSA-N |
| SMILES | C12C(=O)C3=NC=CC=C3C1=CC=CN=2 |
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