120651-12-9

Basic information

• Product Name: Diazenyl, (4-nitrophenyl)-
• CAS NO: 120651-12-9
• Molecular Formula: C6H4N3O2
• Molecular Weight: 150.117
• Mol File: 120651-12-9.mol
• Article Data: 2

Chemical Properties

• CAS DataBase Reference: Diazenyl, (4-nitrophenyl)-(CAS DataBase Reference)
• NIST Chemistry Reference: Diazenyl, (4-nitrophenyl)-(120651-12-9)
• EPA Substance Registry System: Diazenyl, (4-nitrophenyl)-(120651-12-9)

Safety Data

• Hazardous Substances Data: 120651-12-9(Hazardous Substances Data)

Upstream product

• 456-27-9 4-nitrobenzenediazonium tetrafluoroborate 
• 3225-30-7 hydroquinone radical 
• 22311-37-1 durosemiquinone radical 

Relevant articles and documents

Photochemical Dediazoniation of Arene Diazonium Salts Catalyzed by Quinones

The rate constants of the hydrogen abstraction of triplet-excited p-benzoquinone (BQ), duroquinone (DQ), p-chlorophenyl-p-benzoquinone (PQ) and 2,5-di(p-chlorophenyl)-p-benzoquinone (P2Q) from n-heptane and acetonitrile are determined by laser flash photolysis as well as the rate constants for the reactions with oxygen. The semiquinones formed are in equilibrium with their respective semiquinone anions; at pH 3 and pH 7, respectively, it was possible in acetonitrile/water solution to determine separately the rate constants for their disproportionation affording quinones and hydroquinones and the rate constants for electron transfer to p-chlorbenzene diazonium tetrafluoroborate.It comes out that the electron transfer to the diazonium compound only competes favorably with the disproportionation in the case of the semiquinone anions.