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733520

Sigma-Aldrich

1-Cyanobenzimidazole

96%

Synonym(s):

N-Cyanobenzimidazole

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About This Item

Empirical Formula (Hill Notation):
C8H5N3
CAS Number:
Molecular Weight:
143.15
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

96%

form

solid

reaction suitability

reaction type: C-C Bond Formation

mp

98-106 °C

SMILES string

N#Cn1cnc2ccccc12

InChI

1S/C8H5N3/c9-5-11-6-10-7-3-1-2-4-8(7)11/h1-4,6H

InChI key

SGCJHVTWXFWDOD-UHFFFAOYSA-N

Application

1-Cyanobenzimidazole can be used:
  • To prepare alkyl benzimidazole-1-carboximidates and 1H-benzimidazole-1-carbohydrazonamide by reacting with aliphatic alcohols and excess of hydrazine, respectively.
  • As an electrophilic cyanating reagent in cyanation reactions including aryl and heteroaryl Grignard reagents.

Reacant for:
  • Electrophilic aromatic substitution reactions
  • Electrophilic cyanation of aryl and heteroaryl Grignard reagents
  • Hydrolysis in alkalyne solutions

Pictograms

Skull and crossbonesCorrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Eye Dam. 1 - Skin Irrit. 2

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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