2,5-Dibromo-1,4-phenylenediamine

Base Information

• Chemical Name: 2,5-Dibromo-1,4-phenylenediamine
• CAS No.: 25462-61-7
• Molecular Formula: C6H6Br2N2
• Molecular Weight: 265.935
• Hs Code.: 2921519090
• Mol file: 25462-61-7.mol

Synonyms:2,5-Dibrom-p-phenylendiamin;1,4-diamino-2,5-dibromobenzene;2.5-Dibrom-1.4-diamino-benzol;2,5-dibromo-4-aminoaniline;2.5-Dibrom-phenylendiamin-(1.4);WT1389;2,5-dibromo-p-phenylenediamine;1,4-Benzenediamine,2,5-dibromo;2,5-dibromo-1,4-phenylenediamine;

Chemical Property of 2,5-Dibromo-1,4-phenylenediamine

Chemical Property:

• Melting Point: 187-188℃
• Boiling Point: 332.9±37.0 °C(Predicted)
• PKA: 3.02±0.10(Predicted)
• PSA: 52.04000
• Density: 2.104
• LogP: 3.53840
• Storage Temp.: Keep in dark place,Inert atmosphere,Room temperature

Purity/Quality:

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

2,5-Dibromobenzene-1,4-diamine 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5-Dibromo-1,4-phenylenediamine

There total 11 articles about 2,5-Dibromo-1,4-phenylenediamine 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: 90.84%

2-acetamido-5-amino-p-dibromobenzene → 2,5-dibromo-1,4-phenylenediamine (25462-61-7)

Guidance literature:

With methanol; sodium hydroxide; at 80 ℃; for 6h; Temperature;

Reference yield: 88.0%

2,5-dibromo-4-nitroaniline (25462-68-4) → 2,5-dibromo-1,4-phenylenediamine (25462-61-7)

Guidance literature:

With hydrogenchloride; tin; In ethanol; water; at 0 - 20 ℃; for 16h; Inert atmosphere;

DOI:10.1002/asia.201600673

Reference yield:

N-(2,5-dibromo-4-nitrophenyl)acetamide (25462-67-3) → 2,5-dibromo-1,4-phenylenediamine (25462-61-7)

Guidance literature:

With hydrogenchloride; tin(ll) chloride; In ethanol; Yield given; Heating;

upstream raw materials:

1,4-dibromo-2,5-dinitro-benzene

N-(2,5-dibromo-4-nitrophenyl)acetamide

hydrogenchloride

1.4-dibromobenzene

Downstream raw materials:

2,5-dibromo-1,4-benzoquinone

di(tert‐butyl) (2,5‐dibromo‐1,4‐phenylene)dicarbamate

1,4-diamino-2,5-bis(phenylethynyl)benzene

2,5-dibromo-N,N-bis(pyridine-2-ylmethylene)benzene-1,4-diamine

Refernces

• 1、 Nakamura, Tomoya,Furukawa, Shunsuke,Nakamura, Eiichi. "Benzodipyrrole-based Donor–Acceptor-type Boron Complexes as Tunable Near-infrared-Absorbing Materials". . p. 2016 - 2020. Retrieved 2016/07/28.
• 2、 Lamba, Jaydeep J. S.,Tour, James M.. "Imine-bridged planar poly(p-phenylene) derivatives for maximization of extended π-conjugation. The common intermediate approach". . p. 11723 - 11736. Retrieved 2007/10/02.