1,4-DIBROMO-2,5-DIETHYLBENZENE

Base Information

• Chemical Name: 1,4-DIBROMO-2,5-DIETHYLBENZENE
• CAS No.: 40787-48-2
• Molecular Formula: C10H12 Br2
• Molecular Weight: 292.013
• Hs Code.: 2903999090
• Mol file: 40787-48-2.mol

Synonyms:2,5-DIETHYL-1,4-DIBROMOBENZENE;1,4-DIBROMO-2,5-DIETHYLBENZENE

Chemical Property of 1,4-DIBROMO-2,5-DIETHYLBENZENE

Chemical Property:

• Vapor Pressure: 0.00225mmHg at 25°C
• Melting Point: 40 °C
• Refractive Index: 1.561
• Boiling Point: 298.5oC at 760 mmHg
• Flash Point: 153.8oC
• PSA: 0.00000
• Density: 1.557g/cm3
• LogP: 4.33640
• Storage Temp.: Refrigerator

Purity/Quality:

97% ^*data from raw suppliers

1,4-Dibromo-2,5-diethylbenzene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1,4-DIBROMO-2,5-DIETHYLBENZENE

There total 1 articles about 1,4-DIBROMO-2,5-DIETHYLBENZENE 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%

1,4-diethylbenzene (105-05-5) → 1,4-diethyl-2,5-dibromobenezene (40787-48-2)

Guidance literature:

With bromine; iodine; In chloroform; at 0 - 20 ℃;

DOI:10.1002/ejic.202100466

Reference yield: 90.0%

1,4-diethyl-2,5-dibromobenezene (40787-48-2) + copper(l) cyanide → 1,4-dicyano-2,5-diethylbenezene (40787-61-9)

Guidance literature:

In N,N-dimethyl-formamide; for 24h; Reflux;

DOI:10.1002/ejic.202100466

Reference yield: 82.0%

1,4-diethyl-2,5-dibromobenezene (40787-48-2) + N,N-dimethyl-formamide (68-12-2,33513-42-7) → 2,5-diethylbenzene-1,4-dicarboxaldehyde

Guidance literature:

1,4-dibromo-2,5-diethylbenzene; With N,N,N,N,N,N-hexamethylphosphoric triamide; tert.-butyl lithium; at -79 - 20 ℃; for 1.5h;

N,N-dimethyl-formamide; at -79 - 20 ℃; for 1h;

upstream raw materials:

1,4-diethylbenzene

Downstream raw materials:

1,4-dicyano-2,5-diethylbenezene

(4-bromo-2,5-diethylphenyl)trimethylsilane

C₅₈H₆₄N₂

C₈₂H₇₈Br₂N₂

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