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H56028 4,5-Diazafluoren-9-one, 98%

CAS Number

Stock No. Size Price ($) Quantity Availability
H56028-03 1g 92.50
H56028-06 5g 349.00
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4,5-Diazafluoren-9-one, 98%


Chemical Properties

Formula Weight
Melting point
Storage & Sensitivity
Ambient temperatures.
Soluble in dichloromethane, tetrahydrofuran, chloroform, benzene, toluene and polar organic solvents. Insoluble in diethyl ether and alkanes.


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)].


Incompatible with strong oxidizing agents. Avoid heat and source of ignition.

Literature References

Piotrowicz, M.; Zakrzewski, J.; Metivier, R.; Brosseau, A.; Makal, A.; Wozniak, K. Aerobic Palladium(II)-Catalyzed Dehydrogenative Heck Reaction in the Synthesis of Pyrenyl Fluorophores. A Photophysical Study of β-Pyrenyl Acrylates in Solution and in the Solid State. J. Org. Chem. 2015, 80 (5), 2573-2581.

Liu, B.; Shi, B. Transition-metal-catalyzed etherification of unactivated C H bonds. Tetrahedron Lett. 2015, 56 (1), 15-22.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P337+P313-P362-P501c

Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

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