1H-benzoimidazole-2-Sulfonic

Base Information

• Chemical Name: 1H-benzoimidazole-2-Sulfonic
• CAS No.: 5435-31-4
• Molecular Formula: C7H7N3O2S
• Molecular Weight: 197.217
• Hs Code.: 2935009090
• Mol file: 5435-31-4.mol

Synonyms:2-Benzimidazolesulfonamide(6CI);NSC 21405;2-Benzimidazolesulfonamide;

Chemical Property of 1H-benzoimidazole-2-Sulfonic

Chemical Property:

• Vapor Pressure: 7.41E-10mmHg at 25°C
• Refractive Index: 1.71
• Boiling Point: 492.9 °C at 760 mmHg
• Flash Point: 251.9 °C
• PSA: 97.22000
• Density: 1.589 g/cm³
• LogP: 1.99140
• Storage Temp.: 2-8°C

Purity/Quality:

99% ^*data from raw suppliers

1H-Benzo[d]imidazole-2-sulfonamide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 1H-benzoimidazole-2-Sulfonic

There total 2 articles about 1H-benzoimidazole-2-Sulfonic 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: 70.0%

Benzimidazol-2-thiol (134469-07-1) → 1H-benzo[d]imidazole-2-sulfonamide (5435-31-4)

Guidance literature:

With tert.-butylhydroperoxide; ammonium hydroxide; iodine; In water; acetonitrile; at 100 ℃; for 16h;

DOI:10.1039/c6ob01301e

Reference yield:

2,3-dihydrobenzimidazol-2-thione (583-39-1,2080-59-3) → 1H-benzo[d]imidazole-2-sulfonamide (5435-31-4)

Guidance literature:

With chlorine; acetic acid; Anschliessend Behandeln mit NH₃;

DOI:10.1021/ja01167a011

Reference yield:

1H-benzo[d]imidazole-2-sulfonamide (5435-31-4) → 1H-benzimidazol-2-ol (615-16-7,102976-62-5)

Guidance literature:

With hydroxylamine; sodium hydroxide; In water; at 20 ℃; for 48h; pH=9 - 10;

DOI:10.1039/c2ob26929e

upstream raw materials:

2,3-dihydrobenzimidazol-2-thione

Benzimidazol-2-thiol

Downstream raw materials:

1H-benzimidazol-2-ol

Refernces