1H-Benzimidazole,1,2-dimethyl-5-nitro-(9CI)

Base Information

• Chemical Name: 1H-Benzimidazole,1,2-dimethyl-5-nitro-(9CI)
• CAS No.: 49819-79-6
• Molecular Formula: C9H9 N3 O2
• Molecular Weight: 191.189
• Mol file: 49819-79-6.mol

Synonyms:Benzimidazole,1,2-dimethyl-5-nitro- (6CI,7CI); 1,2-Dimethyl-5-nitrobenzimidazole

Chemical Property of 1H-Benzimidazole,1,2-dimethyl-5-nitro-(9CI)

Chemical Property:

• Melting Point: 186 °C(Solv: water (7732-18-5))
• Boiling Point: 387.0±15.0 °C(Predicted)
• PKA: 4.58±0.25(Predicted)
• PSA: 63.64000
• Density: 1.36±0.1 g/cm3(Predicted)
• LogP: 2.31310

Purity/Quality:

1,2-dimethyl-5-nitro-1H-Benzimidazole 97.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1H-Benzimidazole,1,2-dimethyl-5-nitro-(9CI)

There total 2 articles about 1H-Benzimidazole,1,2-dimethyl-5-nitro-(9CI) 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:

5-methyl-1-(4-nitrophenyl)-1H-tetrazole (40746-65-4) → 1,2-dimethyl-5-nitro-1H-benzimidazole (49819-79-6) + 1,2-dimethyl-6-nitro-1H-benzoimidazole (19492-66-1) + N,N-bis(p-nitrophenyl)amine (1821-27-8) + 4-nitro-aniline (100-01-6,104810-17-5) + 6-nitro-2-methyl-1H-benzimidazole (1792-40-1,89843-46-9) + N-methyl(p-nitroaniline) (100-15-2)

Guidance literature:

In neat (no solvent); at 300 ℃; Mechanism; DTA/DTG;

DOI:10.1007/BF00503616

Reference yield:

1,2-dimethyl-1H-benzimidazole (2876-08-6) → 1,2-dimethyl-5-nitro-1H-benzimidazole (49819-79-6) + 1,2-dimethyl-6-nitro-1H-benzoimidazole (19492-66-1) + 1,2-dimethyl-5,6-dinitrobenzimidazole (90323-97-0) + 1,2-Dimethyl-4-nitrobenzimidazol (73902-41-7)

Guidance literature:

With sulfuric acid; nitric acid; In water; at 100 ℃; for 2h; Title compound not separated from byproducts;

DOI:10.1016/S0968-0896(03)00048-8

Reference yield: 96.18%

1,2-dimethyl-5-nitro-1H-benzimidazole (49819-79-6) → 1,2-dimethyl-1H-benzo[d]imidazole-5-amine (3527-19-3)

Guidance literature:

With palladium on activated charcoal; hydrogen; In methanol; at 25 ℃; for 6h;

upstream raw materials:

5-methyl-1-(4-nitrophenyl)-1H-tetrazole

1,2-dimethyl-1H-benzimidazole

Downstream raw materials:

1-methyl-5-nitro-2-(4-nitro-trans-styryl)-1H-benzimidazole

1,2-dimethyl-5,6-dinitrobenzimidazole

1,2-dimethyl-1H-benzo[d]imidazole-5-amine

1,2-Dimethyl-5-nitro-3-phenacylbenzimidazolium Bromide

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