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Merck

424633

Azobenzene

98%

Synonyme(s) :

1,2-Diphenyldiazene; Diphenyldiazene

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A propos de cet article

Formule linéaire :
C6H5N=NC6H5
Numéro CAS:
Poids moléculaire :
182.22
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
EC Number:
203-102-5
Beilstein/REAXYS Number:
1819138
MDL number:
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InChI key

DMLAVOWQYNRWNQ-BUHFOSPRSA-N

InChI

1S/C12H10N2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H/b14-13+

SMILES string

c1ccc(cc1)\N=N\c2ccccc2

vapor pressure

1 mmHg ( 104 °C)

assay

98%

form

powder or crystals

autoignition temp.

890 °F

technique(s)

titration: suitable

bp

293 °C (lit.)

Quality Level

mp

65-68 °C (lit.)

density

1.09 g/mL at 25 °C (lit.)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

General description

Azobenzene is a chromogen and an azo compound that exhibits trans/cis isomerism yielding isomers that differ in color. It is a simple azoarene compound that shows cis-trans isomerization around the azo bond in response to light.

Application

Azobenzene and its derivatives have multiple applications in the field of mechanical and optical materials, in photopharmacology, and molecular photo-switches including in biological probes.
As human tissue is translucent to red and near-infrared light but opaque to blue and UV light, Azobenzene is important in medicine and photopharmacology for applications that involve shifting the absorptions of both trans and cis isomers of azobenzene to longer wavelengths.

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Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Muta. 2 - STOT RE 2

Classe de stockage

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

wgk

WGK 3

flash_point_f

212.0 °F - closed cup

flash_point_c

100.0 °C - closed cup

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


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Michael S Scholz et al.
The journal of physical chemistry. A, 121(34), 6413-6419 (2017-08-05)
Because of their high photoisomerization efficiencies, azobenzenes and their functionalized derivatives are used in a broad range of molecular photoswitches. Here, the photochemical properties of the trans isomers of protonated azobenzene (ABH
Timothy J Kucharski et al.
Nature chemistry, 6(5), 441-447 (2014-04-24)
Large-scale utilization of solar-energy resources will require considerable advances in energy-storage technologies to meet ever-increasing global energy demands. Other than liquid fuels, existing energy-storage materials do not provide the requisite combination of high energy density, high stability, easy handling, transportability
Seungwoo Lee et al.
Advanced materials (Deerfield Beach, Fla.), 24(16), 2069-2103 (2012-03-29)
This review demonstrates directional photofluidization lithography (DPL), which makes it possible to fabricate a generic and sophisticated micro/nanoarchitecture that would be difficult or impossible to attain with other methods. In particular, DPL differs from many of the existing micro/nanofabrication methods
Azobenzene photoswitches for Staudinger-Bertozzi ligation.
Wiktor Szymański et al.
Angewandte Chemie (International ed. in English), 52(7), 2068-2072 (2013-01-12)
Andrew A Beharry et al.
Chemical Society reviews, 40(8), 4422-4437 (2011-04-13)
The photoisomerization of azobenzene has been known for almost 75 years but only recently has this process been widely applied to biological systems. The central challenge of how to productively couple the isomerization process to a large functional change in

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