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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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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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