2,6-Dibromo-4-nitropyridine oxide

Base Information

• Chemical Name: 2,6-Dibromo-4-nitropyridine oxide
• CAS No.: 98027-81-7
• Molecular Formula: C5H2Br2N2O3

• Molecular Weight: 297.89
• Hs Code.: 2933399090
• DSSTox Substance ID: DTXSID20452305
• Mol file: 98027-81-7.mol

Synonyms:98027-81-7;2,6-dibromo-4-nitropyridine oxide;2,6-dibromo-4-nitropyridine 1-oxide;2,6-dibromo-4-nitro-1-oxidopyridin-1-ium;SCHEMBL782341;DTXSID20452305;MJEDSUKRJRIBKE-UHFFFAOYSA-N;CS-M0699;2,6-dibromo-4-nitropyridine1-oxide;4-nitro-2,6-dibromopyridine-N-oxide;2,6-Dibromo-4-nitro-pyridin N-oxide;AKOS005216857;SB55113;2,6-dibromo-4-nitro pyridine 1-oxide;Pyridine, 2,6-dibromo-4-nitro-, 1-oxide;FT-0710326;2,6-Dibromo-4-nitro-1-oxo-1lambda~5~-pyridine;J-400205

Chemical Property of 2,6-Dibromo-4-nitropyridine oxide

Chemical Property:

• Vapor Pressure: 4.49E-08mmHg at 25°C
• Refractive Index: 1.72
• Boiling Point: 456.1 °C at 760 mmHg
• Flash Point: 229.7 °C
• PSA: 71.28000
• Density: 2.42 g/cm³
• LogP: 3.07150
• XLogP3: 1.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 297.84117
• Heavy Atom Count: 12
• Complexity: 174

Purity/Quality:

98%,99%, ^*data from raw suppliers

2,6-Dibromo-4-nitropyridine oxide 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(C=C([N+](=C1Br)[O-])Br)[N+](=O)[O-]

Technology Process of 2,6-Dibromo-4-nitropyridine oxide

There total 2 articles about 2,6-Dibromo-4-nitropyridine oxide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

2,6-Dibromopyridine (626-05-1) → 2,6-dibromo-4-nitro-pyridine 1-oxide (98027-81-7) + 2,6-dibromo-4-nitropyridine (175422-04-5)

Guidance literature:

Multi-step reaction with 2 steps

1: trifluoroacetic acid; dihydrogen peroxide / water

2: sulfuric acid; nitric acid

With sulfuric acid; dihydrogen peroxide; nitric acid; trifluoroacetic acid; In water;

DOI:10.3987/COM-19-14163

Reference yield:

2,6-dibromopyridin N-oxide (25373-69-7) → 2,6-dibromo-4-nitro-pyridine 1-oxide (98027-81-7) + 2,6-dibromo-4-nitropyridine (175422-04-5)

Guidance literature:

With sulfuric acid; nitric acid; Overall yield = 89 percent;

DOI:10.3987/COM-19-14163

Reference yield: 99.0%

2,6-dibromo-4-nitro-pyridine 1-oxide (98027-81-7) → 2,6-dibromo-4-nitropyridine (175422-04-5)

Guidance literature:

With phosphorus tribromide; In acetonitrile; for 14h; Heating;

DOI:10.1021/jm021085c

upstream raw materials:

2,6-Dibromopyridine

2,6-dibromopyridin N-oxide

Downstream raw materials:

2,4,6-tribromopyridine

2,4,6-tribromopyridine N-oxide

2-acetoxy-4,6-dibromopyridine N-oxide

2,6-dibromo-4-nitropyridine

Refernces