3,5-Dibromo-1,2-dimethylbenzene

Base Information

• Chemical Name: 3,5-Dibromo-1,2-dimethylbenzene
• CAS No.: 51209-82-6
• Molecular Formula: C8H8Br2
• Molecular Weight: 263.80
• Mol file: 51209-82-6.mol

Synonyms:1,5-Dibromo-2,3-dimethylbenzene;Benzene, 1,3-dibromo-4,5-dimethyl-;

Chemical Property of 3,5-Dibromo-1,2-dimethylbenzene

Chemical Property:

• Boiling Point: 269.4 °C at 760 mmHg
• Flash Point: 131.1 °C
• PSA: 0.00000
• Density: 1.71 g/cm³
• LogP: 3.82840
• Storage Temp.: Refrigerator, Under inert atmosphere
• Solubility.: Chloroform (Soluble), DMSO (Sparingly)

Purity/Quality:

99% ^*data from raw suppliers

1,5-Dibromo-2,3-dimethylbenzene 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 4,6-Dibromo-o-xylene is used in synthesis of bromobenzenes via electrophilic bromination of arenes with bromine in supercrit. carbon dioxide.

Technology Process of 3,5-Dibromo-1,2-dimethylbenzene

There total 2 articles about 3,5-Dibromo-1,2-dimethylbenzene 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: 24.0%

2,4,6-tribromotoluene (6320-40-7) + methyllithium (917-54-4) → 2,6-dibromo-1,4-dimethylbenzene (66788-13-4) + 3,5-dibromo-1,2-dimethyl-benzene (51209-82-6)

Guidance literature:

In diethyl ether; for 5h; bath temperature 25 deg C;

Reference yield:

2,4-dibromo-5,6-dimethylaniline (22364-27-8) → 3,5-dibromo-1,2-dimethyl-benzene (51209-82-6)

Guidance literature:

With hydrogen bromide; sodium nitrite; anschliessend mit Natriumhypophosphit und wss. Bromwasserstoffsaeure behandeln;

DOI:10.1007/BF03343824

Reference yield:

3,5-dibromo-1,2-dimethyl-benzene (51209-82-6) → 1,3-dibromo-4,5-dimethyl-2,6-dinitro-benzene (100960-63-2)

Guidance literature:

With nitric acid;

DOI:10.1007/BF03343824

upstream raw materials:

2,4-dibromo-5,6-dimethylaniline

2,4,6-tribromotoluene

methyllithium

Downstream raw materials:

1,3-dibromo-4,5-dimethyl-2,6-dinitro-benzene