4,5-DIAZAFLUOREN-9-ONE
- CAS NO.：50890-67-0
- Empirical Formula: C11H6N2O
- Molecular Weight: 182.18
- MDL number: MFCD00046892
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:13:03
What is 4,5-DIAZAFLUOREN-9-ONE?
Chemical properties
Yellow crystal
The Uses of 4,5-DIAZAFLUOREN-9-ONE
4,5-Diazafluoren-9-one behaves like cyclopentadienones and reacts with [Cp*Co(C2H4)2] to form air -stable sandwich-type complexes [Cp*Co(η4-2)].
What are the applications of Application
4,5-Diazafluoren-9-one is a heterocyclic building block
Properties of 4,5-DIAZAFLUOREN-9-ONE
| Melting point: | 214-217 °C (lit.) |
| Boiling point: | 396.3±17.0 °C(Predicted) |
| Density | 1.387±0.06 g/cm3(Predicted) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Soluble in dichloromethane, tetrahydrofuran, chloroform, benzene, toluene and polar organic solvents. Insoluble in diethyl ether and alkanes. |
| form | powder to crystal |
| pka | 1.22±0.20(Predicted) |
| color | Light yellow to Yellow to Orange |
| λmax | 340nm(H2O)(lit.) |
| CAS DataBase Reference | 50890-67-0 |
Safety information for 4,5-DIAZAFLUOREN-9-ONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. 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 4,5-DIAZAFLUOREN-9-ONE
| InChIKey | PFMTUGNLBQSHQC-UHFFFAOYSA-N |
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