5788-58-9

Basic information

• Product Name: 4,5-Dibromopyridazin-3-one
• Synonyms: 4,5-Dibromo-3[2H]-pyridazone;4,5-DIBROMOPYRIDAZIN-3[2H]-ONE;4,5-DIBROMOPYRIDAZIN-3-ONE;4,5-DIBROMO-3(2H)-PYRIDAZINONE;4,5-DIBROMO-2H-PYRIDAZIN-3-ONE;4,5-Dibromo-3-pyridazone;4,5-DIBROMO-2-METHYLPYRIDAZINE-3-ONE;4,5-Dibromo-2-methylpyridazine-3(2H)-one
• CAS NO: 5788-58-9
• Molecular Formula: C₄H₂Br₂N₂O
• Molecular Weight: 253.88
• Mol File: 5788-58-9.mol
• Article Data: 1

Chemical Properties

• Melting Point: 231-233°C
• Boiling Point: 365.6°Cat760mmHg
• Flash Point: 174.9°C
• Appearance: /
• Density: 2.53g/cm³
• Vapor Pressure: 2.12E-12mmHg at 25°C
• Refractive Index: 1.747
• Storage Temp.: Keep in dark place,Sealed in dry,Room Temperature
• PKA: 8.39±0.60(Predicted)
• BRN: 121469
• CAS DataBase Reference: 4,5-Dibromopyridazin-3-one(CAS DataBase Reference)
• NIST Chemistry Reference: 4,5-Dibromopyridazin-3-one(5788-58-9)
• EPA Substance Registry System: 4,5-Dibromopyridazin-3-one(5788-58-9)

Safety Data

• Statements: 36/37/38
• Safety Statements: 26-36
• HazardClass: IRRITANT
• Hazardous Substances Data: 5788-58-9(Hazardous Substances Data)

Usage

Description

4,5-Dibromopyridazin-3-one is an organic compound characterized by the presence of two bromine atoms at the 4th and 5th positions of the pyridazinone ring. It is a valuable synthetic intermediate due to its unique chemical structure and reactivity, which allows for further functionalization and incorporation into more complex molecules.

Uses

Used in Pharmaceutical Industry:
4,5-Dibromopyridazin-3-one is used as a key intermediate in the synthesis of various pharmaceuticals. Its unique structure and reactivity make it a versatile building block for the development of new drugs with potential applications in treating a wide range of medical conditions.
Used in Chemical Research:
4,5-Dibromopyridazin-3-one is also widely utilized in chemical research as a starting material for the preparation of novel compounds with diverse chemical and biological properties. Its ability to undergo various chemical reactions allows researchers to explore new avenues in the design and synthesis of innovative molecules.
Used in Fine Chemicals:
In the field of fine chemicals, 4,5-Dibromopyridazin-3-one is employed as a crucial component in the production of specialty chemicals with specific applications. Its unique structural features and synthetic utility contribute to the development of high-value products for various industries, including agriculture, materials science, and environmental science.

InChI:InChI=1/C18H12BrN3O3S/c19-12-8-9-15-14(10-12)17(18(23)20-15)21-22-26(24,25)16-7-3-5-11-4-1-2-6-13(11)16/h1-10,22H,(H,20,21,23)

Upstream product

• 103-67-3 benzyl-methyl-amine 

Downstream Products

• 504-30-3 2H-Pyridazin-3-one 
• 55243-41-9 4-bromo-5-[2-(2-morpholin-4-yl-ethylamino)-phenylsulfanyl]-2H-pyridazin-3-one 
• 134965-39-2 2-benzyl-4.5-dibromo-2H-pyridazin-3-one 
• 134965-40-5 4,5-dibromo-2-(4-chloro-benzyl)-2H-pyridazin-3-one 
• 186792-10-9 4,5-Dibromo-2-(2-oxo-propyl)-2H-pyridazin-3-one 
• 13645-74-4 4,5-dibromo-2-methyl-2H-pyridazin-3-one 
• 870006-58-9 4,5-dibromo-2-(4-fluorobenzyl)pyridazin-3(2H)-one 
• 117597-02-1 4-bromo-5-(3-n-propoxy-4-methoxy-N-methylbenzylamino)-3(2H)pyridazinone 
• 1128105-57-6 C₁₂H₁₀Br₂N₂O 
• 1210812-73-9 4,5-dibromo-2-[(4-methoxyphenyl)methyl]-2,3-dihydropyridazin-3-one 
• 1549708-21-5 4,5-dibromo-2-phenethylpyridazin-3(2H)-one 
• 1407307-15-6 4,5-dibromo-2-(3-phenylpropyl)pyridazin-3(2H)-one 
• 1549708-08-8 4,5-dibromo-2-(4-iodobenzyl)pyridazin-3(2H)-one 

Relevant articles and documents

2-Cyanopyridazin-3(2H)-ones: Effective and chemoselective electrophilic cyanating agents

2-Cyanopyridazin-3(2H)-ones are novel, effective, selective and electrophilic cyanating agents. A variety of amino, thiol and carbon nucleophiles are chemoselectively N-, S- or C-cyanated in excellent yield using 2-cyanopyridanzin-3(2H)-ones in water or tetrahydrofuran.