2-Bromo-5-nitropyrazine

Base Information

• Chemical Name: 2-Bromo-5-nitropyrazine
• CAS No.: 117103-53-4
• Molecular Formula: C₄H₂BrN₃O₂
• Molecular Weight: 203.983
• Hs Code.: 2933990090
• DSSTox Substance ID: DTXSID90555635
• Wikidata: Q72448688
• Mol file: 117103-53-4.mol

Synonyms:2-BROMO-5-NITROPYRAZINE;117103-53-4;Pyrazine, 2-bromo-5-nitro-;Pyrazine,2-bromo-5-nitro-;MFCD11870741;2-bromo-5-nitro-pyrazine;SCHEMBL725830;DTXSID90555635;AODWTNYHOYDRJJ-UHFFFAOYSA-N;BCP23182;AKOS015892479;DS-1767;AM807411;SY114254;CS-0186587;A803711;Q-103285

Chemical Property of 2-Bromo-5-nitropyrazine

Chemical Property:

• Vapor Pressure: 0.002mmHg at 25°C
• Melting Point: 114℃
• Refractive Index: 1.624
• Boiling Point: 298.295 °C at 760 mmHg
• PKA: -5.91±0.10(Predicted)
• Flash Point: 134.204 °C
• PSA: 71.60000
• Density: 1.963 g/cm³
• LogP: 1.67050
• Storage Temp.: 2-8°C
• XLogP3: 1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 202.93304
• Heavy Atom Count: 10
• Complexity: 137

Purity/Quality:

97% ^*data from raw suppliers

2-Bromo-5-nitropyrazine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(N=CC(=N1)Br)[N+](=O)[O-]

Technology Process of 2-Bromo-5-nitropyrazine

There total 1 articles about 2-Bromo-5-nitropyrazine 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-bromo-5-[(dimethyl-λ4-sulfanylidene)amino]pyrazine (117103-52-3) → 2-bromo-5-nitropyrazine (117103-53-4)

Guidance literature:

With ozone; 3-chloro-benzenecarboperoxoic acid; Yield given. Multistep reaction; 1.) CH₂Cl₂, -8 deg C, 3,5 h, 2.) -5 deg C;

DOI:10.1016/S0040-4020(88)90036-1

upstream raw materials:

2-bromo-5-[(dimethyl-λ⁴-sulfanylidene)amino]pyrazine