M3205
2-Mercaptobenzimidazole
98%
Synonym(s):
1,3-Dihydro-2H-benzimidazole-2-thione, 2-Benzimidazolethiol
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About This Item
Empirical Formula (Hill Notation):
C7H6N2S
CAS Number:
Molecular Weight:
150.20
Beilstein:
119867
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
98%
mp
300-304 °C (lit.)
SMILES string
S=C1Nc2ccccc2N1
InChI
1S/C7H6N2S/c10-7-8-5-3-1-2-4-6(5)9-7/h1-4H,(H2,8,9,10)
InChI key
YHMYGUUIMTVXNW-UHFFFAOYSA-N
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General description
2-Mercaptobenzimidazole is a good corrosion inhibitor as it reduces the corrosion rate of metals.
Application
2-Mercaptobenzimidazole can be used:
- To prepare 2-benzimidazolylthioacetophenones by reacting with aromatic ketones, which is a key intermediate for the synthesis of thiazolo[3,2-a]benzimidazoles.
- To synthesize S-arylated 2-mercapto-benzimidazoles via S-arylation with substituted aryl iodides using CuI and 1,10-phenanthroline.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 3 Oral - Aquatic Chronic 3 - Skin Sens. 1A - STOT RE 2
Storage Class Code
6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
WGK
WGK 2
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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S-arylation of mercaptobenzimidazoles using Cu (I) catalysts-experimental and theoretical observations
Sekar R, et al.
Tetrahedron Letters, 52(26), 3347-3352 (2011)
D M Manohar et al.
Water research, 36(6), 1609-1619 (2002-05-09)
The 2-mercaptobenzimidazole loaded natural clay was prepared for the removal of Hg(II) from aqueous media. Adsorption of the metal ions from aqueous solution as a function of solution concentration, agitation time, pH, temperature, ionic strength, particle size of the adsorbent
Evaluation of 2-mercaptobenzimidazole as corrosion inhibitor for mild steel in phosphoric acid
Wang L
Corrosion Science, 43(12), 2281-2289 (2001)
Yuqin Li et al.
Colloids and surfaces. B, Biointerfaces, 104, 311-317 (2013-01-22)
The interaction of 2-mercaptobenzimidazole (MBI) with human serum albumin (HSA) was studied in vitro by equilibrium dialysis under normal physiological conditions. This study used fluorescence, ultraviolet-visible spectroscopy (UV-vis), Fourier transform infrared (FT-IR), circular dichroism (CD) and Raman spectroscopy, atomic force
2-Mercaptobenzimidazole as a copper corrosion inhibitor: Part I. Long-term immersion, 3D-profilometry, and electrochemistry
Finsgar M
Corrosion Science, 72, 82-89 (2013)
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