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194123

Sigma-Aldrich

Benzimidazole

98%

Synonym(s):

1,3-Benzodiazole, BZI

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About This Item

Empirical Formula (Hill Notation):
C7H6N2
CAS Number:
51-17-2
Molecular Weight:
118.14
Beilstein:
109682
EC Number:
200-081-4
MDL number:
MFCD00005585
UNSPSC Code:
12352100
eCl@ss:
32151902
PubChem Substance ID:
24851632
NACRES:
NA.22

Assay

98%

form

powder

mp

169-171 °C (lit.)

solubility

xylene: soluble 1g in 2g (boiling)(lit.)
alcohol: freely soluble(lit.)
benzene: insoluble(lit.)
cold water: very slightly soluble(lit.)
diethyl ether: very slightly soluble(lit.)
petroleum ether: insoluble(lit.)
water: soluble (hot)(lit.)

SMILES string

c1ccc2[nH]cnc2c1

InChI

1S/C7H6N2/c1-2-4-7-6(3-1)8-5-9-7/h1-5H,(H,8,9)

InChI key

HYZJCKYKOHLVJF-UHFFFAOYSA-N

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Application

Benzimidazole was used as template compound in the preparation of molecularly imprinted polymer via electropolymerization and electrodeposition of pyrrole on a pencil graphite electrode. It was also used in the preparation of benzimidazolium surfactant, 1-hexadecyl-1H-benzimidazole.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBK5963
STBK2775
STBD1807V
STBC5975V
STBC0140V

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Sigma-Aldrich

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Indazole

Stephan Mokesch et al.
Molecules (Basel, Switzerland), 24(13) (2019-06-30)
Fine-tuning of the properties of a recently reported 1,3-indandione-based organoruthenium complex is attempted to optimize the stability under physiological conditions. Previous work has shown its capacity of inhibiting topoisomerase IIα; however, fast aquation leads to undesired reactions and ligand cleavage
Benzimidazolium surfactants for modification of clays for use with styrenic polymers.
Costache MC, et al.
Polymer Degradation and Stability, 92(10), 1753-1762 (2007)
Nevine M Y Elsayed et al.
Bioorganic chemistry, 82, 340-359 (2018-11-15)
VEGFR-2 has a pivotal role in promoting cancer angiogenesis. Herein, two series of novel indazole-based derivatives were designed, synthesized and evaluated for their in vitro inhibitory action against VEGFR-2 kinase enzyme. The second series 11a-e exhibited better potency than the
Hayato Konoshima et al.
Physical chemistry chemical physics : PCCP, 14(47), 16448-16457 (2012-11-08)
Crystal structures of polymorphs of 2-(2'-hydroxyphenyl)benzimidazole (HPBI), Forms α and β, are analyzed by X-ray crystallography. The fluorescence excitation (FE) and fluorescence spectra of the polymorphs are separately observed at temperatures 77-298 K. It has been found that the electronic
Determination of benzimidazole in biological model samples using electropolymerized-molecularly imprinted polypyrrole modified pencil graphite sensor.
Nezhadali A, et al.
Sensors and Actuators B, Chemical, 171, 1125-1131 (2012)
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