1,2-Bis(2-bromophenyl)hydrazine

Base Information

• Chemical Name: 1,2-Bis(2-bromophenyl)hydrazine
• CAS No.: 19718-35-5
• Molecular Formula: C12H10Br2N2
• Molecular Weight: 342.033
• Hs Code.: 2928000090
• DSSTox Substance ID: DTXSID50474499
• Nikkaji Number: J82.893I
• Wikidata: Q82304546
• Mol file: 19718-35-5.mol

Synonyms:1,2-bis(2-bromophenyl)hydrazine;19718-35-5;Hydrazine, 1,2-bis(2-bromophenyl)-;SCHEMBL20605197;DTXSID50474499

Chemical Property of 1,2-Bis(2-bromophenyl)hydrazine

Chemical Property:

• Melting Point: 97-98 °C
• Boiling Point: 315.9±42.0 °C(Predicted)
• PKA: 0.52±0.70(Predicted)
• PSA: 24.06000
• Density: 1.813±0.06 g/cm3(Predicted)
• LogP: 4.79660
• XLogP3: 5.2
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 3
• Exact Mass: 341.91902
• Heavy Atom Count: 16
• Complexity: 191

Purity/Quality:

N,N’-Bis-(2-bromo-phenyl)-hydrazine 95% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC=C(C(=C1)NNC2=CC=CC=C2Br)Br

Technology Process of 1,2-Bis(2-bromophenyl)hydrazine

There total 5 articles about 1,2-Bis(2-bromophenyl)hydrazine 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: 92.0%

bis-(2-bromo-phenyl)-diazene (15426-16-1) → 2,2’-dibromohydrazobenzene (19718-35-5)

Guidance literature:

With tin; hydrazine hydrate; In methanol; at 20 ℃; for 0.25h;

Reference yield: 84.0%

(E)-1,2-bis(2-bromophenyl)diazene (15426-16-1) → 2,2’-dibromohydrazobenzene (19718-35-5)

Guidance literature:

With methanol; cesium fluoride; bis(pinacol)diborane; at 20 ℃; for 18h; Irradiation;

DOI:10.1021/acs.joc.1c00394

Reference yield: 60.0%

2-nitrophenyl bromide (577-19-5) → 2,2’-dibromohydrazobenzene (19718-35-5)

Guidance literature:

With sodium hydroxide; zinc; In water; at 60 - 80 ℃; for 1h;

DOI:10.1021/jacs.5b05056

upstream raw materials:

2-nitrophenyl bromide

bis-(2-bromo-phenyl)-diazene

(E)-1,2-bis(2-bromophenyl)diazene

Downstream raw materials:

3,3'-dibromo-[1,1'-biphenyl]-4,4'-diamine

bis-(2-bromo-phenyl)-diazene

4-acetyl-1,2-bis(2-bromophenyl)-1,2-dihydro-5-methyl-3H-pyrazol-3-one

3,3'-dibromobiphenyl