2,5-DIBROMOBIPHENYL

Base Information

• Chemical Name: 2,5-DIBROMOBIPHENYL
• CAS No.: 57422-77-2
• Molecular Formula: C12H8 Br2
• Molecular Weight: 312.004
• Mol file: 57422-77-2.mol

Synonyms:Biphenyl,2,5-dibromo- (7CI); 2,5-Dibromobiphenyl; PBB 9

Chemical Property of 2,5-DIBROMOBIPHENYL

Chemical Property:

• Vapor Pressure: 0.000289mmHg at 25°C
• Melting Point: 40-42 °C
• Boiling Point: 332 °C at 760 mmHg
• Flash Point: 179.4 °C
• PSA: 0.00000
• Density: 1.667 g/cm³
• LogP: 4.87860

Purity/Quality:

99%+, ^*data from raw suppliers

PBB9 ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: PBB 9 is a related compound of PBB 37 (P215150), a brominated biphenyls that can be used as a flame retardant and often incorporated into consumer products including appliances, electronics and plastics.

Technology Process of 2,5-DIBROMOBIPHENYL

There total 1 articles about 2,5-DIBROMOBIPHENYL 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:

benzene (71-43-2,26181-88-4,54682-86-9,13967-78-7,174973-66-1) → bromobenzene (108-86-1,52753-63-6) + biphenyl (92-52-4,1594-86-1) + 2,5-dibromo-1,1'-biphenyl (57422-77-2) + 1-Bromo-4-fluorobenzene (460-00-4) + 2,3-dibromobenzene (583-53-9)

Guidance literature:

With 2BrF₄H^(1-)*Ba⁽²⁺⁾; In 1,1,2-Trichloro-1,2,2-trifluoroethane; at 45 ℃; for 5h;

DOI:10.1016/j.jfluchem.2016.10.022

Reference yield: 82.5%

2,5-dibromo-1,1'-biphenyl (57422-77-2) + 9H-carbazole (86-74-8,105184-46-1,97960-57-1) → C24H16BrN

Guidance literature:

With tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; tri-tert-butyl phosphine; sodium t-butanolate; In toluene; at 105 ℃; for 24h; Inert atmosphere;

Reference yield:

2,5-dibromo-1,1'-biphenyl (57422-77-2) + acetic acid (64-19-7,77671-22-8) → 2,5-dibromobenzoic acid (610-71-9)

Guidance literature:

upstream raw materials:

benzene

Downstream raw materials:

biphenyl

2-Bromobiphenyl

2,5-dibromobenzoic acid

Refernces