2,5-dibromoterephthalonitrile

Base Information

• Chemical Name: 2,5-dibromoterephthalonitrile
• CAS No.: 18870-11-6
• Molecular Formula: C8H2Br2N2
• Molecular Weight: 285.925
• Hs Code.: 2926909090
• Mol file: 18870-11-6.mol

Synonyms:2,5-DIBROMOTEREPHTHALONITRILE

Chemical Property of 2,5-dibromoterephthalonitrile

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Melting Point: 259-261 °C
• Boiling Point: 373.442°C at 760 mmHg
• Flash Point: 179.651°C
• PSA: 47.58000
• Density: 2.099g/cm³
• LogP: 2.95496

Purity/Quality:

≥99% ^*data from raw suppliers

2,5-DIBROMOTEREPHTHALONITRILE 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,5-dibromoterephthalonitrile

There total 6 articles about 2,5-dibromoterephthalonitrile 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: 99.0%

2,5-dibromobenzene-1,4-carboxamide (50880-39-2) → 2,5-dibromobenzene-1,4-dinitrile (18870-11-6)

Guidance literature:

With trichlorophosphate; at 135 ℃; for 12h;

DOI:10.1016/j.tet.2010.11.071

Reference yield: 92.0%

2,5-dibromo-p-xylene (1074-24-4) → 2,5-dibromobenzene-1,4-dinitrile (18870-11-6)

Guidance literature:

2,5-dibromo-p-xylene; With potassium permanganate; acetic acid;

With thionyl chloride; ammonia;

With trichlorophosphate;

DOI:10.1002/ijch.201800037

Reference yield: 88.0%

2,5-dibromoterephthalaldehyde (63525-48-4) → 2,5-dibromobenzene-1,4-dinitrile (18870-11-6)

Guidance literature:

With hydroxylamine hydrochloride; sodium acetate; In formic acid; Heating;

DOI:10.1021/ma020078v

upstream raw materials:

2,5-dibromo-p-xylene

2,5-dibromoterephthalaldehyde

2,5-dibromoterephtalic acid

2,5-dibromobenzene-1,4-carboxamide

Downstream raw materials:

2,5-bis(2-(diphenylamino)-9,9-dioctyl-9H-fluoren-7-yl) benzene-1,4-dinitrile