(2-Bromo-4-methylphenyl)hydrazine

Base Information

• Chemical Name: (2-Bromo-4-methylphenyl)hydrazine
• CAS No.: 67156-57-4
• Molecular Formula: C7H9BrN2
• Molecular Weight: 201.066
• Hs Code.: 2928000090
• NSC Number: 157604
• DSSTox Substance ID: DTXSID60303266
• Wikidata: Q82048453
• Mol file: 67156-57-4.mol

Synonyms:(2-bromo-4-methylphenyl)hydrazine;67156-57-4;NSC157604;(2-Bromo-4-methyl-phenyl)-hydrazine;SCHEMBL1992475;DTXSID60303266;UVGAXOGYWXOXKO-UHFFFAOYSA-N;BBL022198;STK894835;AKOS005147324;NSC-157604;BB 0249766;CS-0454750;EN300-271937

Chemical Property of (2-Bromo-4-methylphenyl)hydrazine

Chemical Property:

• Vapor Pressure: 0.0057mmHg at 25°C
• Boiling Point: 273.5°Cat760mmHg
• PKA: 4.78±0.27(Predicted)
• Flash Point: 119.2°C
• PSA: 38.05000
• Density: 1.564g/cm³
• LogP: 2.81640
• XLogP3: 2.2
• Hydrogen Bond Donor Count: 2
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 1
• Exact Mass: 199.99491
• Heavy Atom Count: 10
• Complexity: 108

Purity/Quality:

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

(2-Bromo-4-methyl-phenyl)-hydrazine ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC(=C(C=C1)NN)Br

Technology Process of (2-Bromo-4-methylphenyl)hydrazine

There total 4 articles about (2-Bromo-4-methylphenyl)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:

2-bromo-p-toluidine (583-68-6) → N-(2-bromo-4-methylphenyl)hydrazine (67156-57-4)

Guidance literature:

Diazotization_.Behandlung der Diazoniumsalzloesung mit Zinnchlor und Salzsaeure unterhalb 0grad;

Reference yield:

N-4-methylphenylhydrazine (539-44-6) → N-(2-bromo-4-methylphenyl)hydrazine (67156-57-4)

Guidance literature:

With hydrogenchloride; bromine; at 0 ℃;

Reference yield:

2-bromo-4-methyl-N-nitro-aniline (409321-38-6) → N-(2-bromo-4-methylphenyl)hydrazine (67156-57-4)

Guidance literature:

With hydrogenchloride; tin(II) chloride dihdyrate; water; at 0 ℃; for 2.5h; Inert atmosphere;

DOI:10.1055/s-0030-1260082

upstream raw materials:

2-bromo-p-toluidine

N-4-methylphenylhydrazine

hydrogenchloride

bromine

Downstream raw materials:

meta-bromotoluene

N-tert-butoxycarbonyl-N'-(2-bromo-4-methylphenyl)diazene

N-tert-butoxycarbonyl-N'-(2-bromo-4-methylphenyl)-N'-(pyridin-3-yl)hydrazine

N-tert-butoxycarbonyl-N'-(2-bromo-4-methylphenyl)-N'-butylhydrazine