MilliporeSigma
All Photos(4)

Documents

194123

Sigma-Aldrich

Benzimidazole

98%

Sign Into View Organizational & Contract Pricing

Synonym(s):
1,3-Benzodiazole, BZI
Empirical Formula (Hill Notation):
C7H6N2
CAS Number:
Molecular Weight:
118.14
Beilstein/REAXYS Number:
109682
EC Number:
MDL number:
eCl@ss:
32151902
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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

Looking for similar products? Visit Product Comparison Guide

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

signalword

Warning

hcodes

Hazard Classifications

Acute Tox. 4 Oral

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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’.

Already Own This Product?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service