2-Mercaptobenzimidazole CAS 583-39-1

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2-Mercaptobenzimidazole CAS 583-39-1

2-Mercaptobenzimidazole CAS 583-39-1 Basic information

Product Name: 2-Mercaptobenzimidazole
Synonyms: 2-Mercaptobenzimidazole Joyce;Rabeprazolesodium EP Impurity F;Rabeprazole Mercapto Impurity 2;Rabeprazole-1;RABEPRAZOLE-1;2,3-dihydrobenzimidazol-2-thione;2,3-DIHYDROBENZIMIDAZOL-2-THIONE;Rabeprazole Impurity 33(Rabeprazole EP Impurity F)
CAS: 583-39-1
MF: C7H6N2S
MW: 150.2
EINECS: 209-502-6
Product Categories: Aromatics;Heterocycles;Imidazole;Intermediates of Rabeprazole;Miscellaneous Reagents;Sulfur & Selenium Compounds;Rubber Chemicals;BENZIMIDAZOLE;Industrial/Fine Chemicals;PHARMACEUTICAL INTERMEDIATES;Organics;Imidazoles;Pyridines
Mol File: 583-39-1.mol

2-Mercaptobenzimidazole CAS 583-39-1 Chemical Properties

density: 1.42
Melting point: 300-304 °C(lit.)
Boiling point: 270.6±23.0 °C(Predicted)
form: Powder
storage temp.: Refrigerator, Under Inert Atmosphere
Water Solubility: <0.1 g/100 mL at 23.5 ºC
color: White to beige

Product name

 

MMB

Inspection numbering

180520

CAS No

CAS583-39-1

Shelf life

2 years

Outer packing

25kg/bag

Standard adopted

Company standard

Items tested

Specifications

Results

Appearance

Light yellow to gray white powder

white powder 

Melting point 

 ≥275.0

275.5

Ash

0.50%

0.30%

Reduction after heating

0.50%

0.20%

Sieve residue

0.10%

0.01%

Conclusion


Qualified 

2-Mercaptobenzimidazole Usage And Synthesis
Description2-Mercaptobenzimidazole is a very useful corrosion inhibitor and cleaner. It can be used to remove the mercury (II) from aqueous solutions and chlor-alkali industry wastewater1. It can be added to the surface film to inhibit the corrosion of metals like copper2-3 and mild steel4. It can also be used as the carrier for the coated-wire mercury (II)-selective electrodes5.
2-Mercaptobenzimidazole is also used as an anti-degradant. It is utilized for protecting rubber from oxidation. It is also employed as an intermediate in the preparation of rabeprazole. Further, it finds application in anti-leprosy drugs in medicine6.
Reference
  1. Manohar, D. M., K. A. Krishnan, and T. S. Anirudhan. "Removal of mercury (II) from aqueous solutions and chlor-alkali industry wastewater using 2-mercaptobenzimidazole-clay." Water Research 36.6(2002):1609.

  2. Chadwick, D., and T. Hashemi. "Electron spectroscopy of corrosion inhibitors: Surface films formed by 2-mercaptobenzothiazole and 2-mercaptobenzimidazole on copper." Surface Science 89.1(1979):649-659.

  3. Trachli, B., et al. "Protective effect of electropolymerized 2-mercaptobenzimidazole upon copper corrosion." Progress in Organic Coatings 44.1(2002):17-23.

  4. Wang, Lin. "Evaluation of 2-mercaptobenzimidazole as corrosion inhibitor for mild steel in phosphoric acid." Corrosion Science 43.12(2001):2281-2289.

  5. Mazloum, M, M. K. Amini, and I. Mohammadpoor-Baltork. "Mercury selective membrane electrodes using 2-mercaptobenzimidazole, 2-mercaptobenzothiazole, and hexathiacyclooctadecane carriers." Sensors & Actuators B Chemical 63.1(2000):80-85.

  6. https://www.alfa.com/en/catalog/A18350/

Chemical Propertiesyellow or white crystals
UsesAn antidegradant, protecting rubber from oxidation. An intermediate in the synthesis of Rabeprazole (R070500)


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