54286-63-4

Basic information

• Product Name: 4,7-Dibromo-benzofurazan 4,7-Dibromo-benzofurazan ,99%
• Synonyms: 4,7-Dibromo-benzofurazan 4,7-Dibromo-benzofurazan ,99%;4,7-dibroMobenzo[c][1,2,5]oxadiazole;2,1,3-Benzoxadiazole,4,7-dibroMo-;4,7-DibroMo-benzofurazan 4,7-DibroMo-benzofurazan;2,1,3-Benzoxadiazole,4,7-dibromo-benzofurazan
• CAS NO: 54286-63-4
• Molecular Formula: C₆H₂Br₂N₂O
• Molecular Weight: 277.90088
• Mol File: 54286-63-4.mol
• Article Data: 10

Chemical Properties

• Melting Point: 113 °C
• Boiling Point: 312.4 °C at 760 mmHg
• Flash Point: 142.7 °C
• Appearance: /
• Density: 2.22 g/cm³
• Vapor Pressure: 0.000973mmHg at 25°C
• Refractive Index: 1.692
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility: soluble in Toluene
• PKA: -4.27±0.50(Predicted)
• CAS DataBase Reference: 4,7-Dibromo-benzofurazan 4,7-Dibromo-benzofurazan ,99%(CAS DataBase Reference)
• NIST Chemistry Reference: 4,7-Dibromo-benzofurazan 4,7-Dibromo-benzofurazan ,99%(54286-63-4)
• EPA Substance Registry System: 4,7-Dibromo-benzofurazan 4,7-Dibromo-benzofurazan ,99%(54286-63-4)

Safety Data

• Hazardous Substances Data: 54286-63-4(Hazardous Substances Data)

Usage

General Description

4,7-Dibromo-benzofurazan is a chemical compound with the molecular formula C6H2Br2N2O. It is available in a 99% pure form and is commonly used in organic synthesis and research applications. 4,7-Dibromo-benzofurazan 4,7-Dibromo-benzofurazan ,99% is a yellow powder with a molecular weight of 284.89 g/mol. It is a versatile reagent that is utilized in the synthesis of various organic compounds, including pharmaceuticals, agrochemicals, and materials. Its high purity makes it suitable for a wide range of laboratory and industrial applications.

InChI:InChI=1/C6H2Br2N2O/c7-3-1-2-4(8)6-5(3)9-11-10-6/h1-2H

Upstream product

• 830-47-7 4,5,6,7-tetrabromo-4,5,6,7-tetrahydro-benzo[1,2,5]oxadiazole 1-oxide 
• 88-72-2 1-methyl-2-nitrobenzene 
• 1516-58-1 o-azidonitrobenzene 
• 88-74-4 2-nitro-aniline 
• 71173-22-3 1,4-dibromo-2,3-dinitrobenzene 
• 776-12-5 2-azido-1,4-dibromo-3-nitro-benzene 
• 480-96-6 benzofurazan oxide 
• 273-09-6 benzofurazan 
• 35036-93-2 4-bromobenzo[c][1,2,5] oxadiazole 
• 4050-81-1 4,5,6,7-tetrabromo-4,5,6,7-tetrahydro-benz[1,2,5]oxadiazole 
• 4609-97-6 4,7-dibromobenzo[c]furazan 1-oxide 

Downstream Products

• 20138-81-2 4,7-dicyanobenzofurazan 
• 1402049-90-4 4,7-bis{5-{4-{2-[4-(N,N-diphenylamino)phenyl]-1-nitrilethenyl}phenyl}-2-thienyl}-2,1,3-benzoxadiazole 
• 6625-34-9 4,7-diphenylbenzo[c][1,2,5]oxadiazole 

Relevant articles and documents

Effects of including electron-withdrawing atoms on the physical and photovoltaic properties of indacenodithieno[3,2-b]thiophene-based donor-acceptor polymers: towards an acceptor design for efficient polymer solar cells

Three new D-A polymers PIDTT-DTBO, PIDTT-DTBT and PIDTT-DTFBT, using indacenodithieno[3,2-b]thiophene (IDTT) as the electron-rich unit and benzoxadiazole (BO), benzodiathiazole (BT) or difluorobenzothiadiazole (FBT) as the electron-deficient unit, were synthesized via a Pd-catalyzed Stille polymerization. The included electron-withdrawing atoms of the acceptor portion were varied between O, S, and F for tailoring the optical and electrochemical properties and the geometry of structures. Their effects on the film topography, photovoltaic and hole-transporting properties of the polymers were thoroughly investigated via a range of techniques. As expected, the stronger electron-withdrawing BO unit affords red-shifted absorption, low-lying HOMO and LUMO levels for the polymer PIDTT-DTBO. However, it depicts lower hole mobility and a less efficient charge collection in the active layer compared to the polymer PIDTT-DTBT. In addition, degradation of the solubility is observed in the fluorinated polymer PIDTT-DTFBT. As a result, a BHJ PSC (ITO/PEDOT:PSS/polymer:PC71BM/interlayer/Al) fabricated with PIDTT-DTBT attains the best power conversion efficiency (PCE) of 4.91%. These results thus demonstrate the potential effects of electronegative atoms on IDTT-based polymers and the structure-function correlations of such electron-donor materials for efficient PSCs.

Effect of single atom substitution in benzochalcogendiazole acceptors on the performance of ternary memory devices

Herein, three conjugated organic molecules comprised of the diethylamine donor, pyrimidine and benzochalcogenodiazole acceptors (where the chalcogen atoms are varied from O, S to Se), named PBOP, PBTP, and PBSeP, were synthesized and fabricated into resis

Benzooxadiazaole-based D-A-D co-oligomers: Synthesis and electropolymerization

Four D-A-D type co-oligomers have been synthesized by Stille condensation between monostannyl derivatives of furan/thiophene/selenophene/3,4- ethylenedioxythiophene (EDOT) and 4,7-dibromo-benzo[1,2,5]oxadiazole. All these co-oligomers were successfully electrochemically polymerized in dichloromethane and characterized by spectroelectrochemistry. All four polymers possess narrow optical band gap. Spectroelectrochemical studies of polymer films on indium tin oxide revealed that the replacement of donor EDOT with furan/thiophene/ selenophene has affected the low-energy charge-carrier (bipolaron) formation significantly. Kinetic studies based on chronoamperometry show that the polymer P5 (EDOT-capped benzo[1,2,5]oxadiazole system) possess better electrochromic property with high transmittance (66%) in visible region than the other copolymers.