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159697

4-Nitroazobenzene

Name: 4-Nitroazobenzene
Brand: SIAL

technical grade, 90%

Synonym(s):

NAB

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About This Item

Linear Formula:

C₆H₅N=NC₆H₄NO₂

CAS Number:

2491-52-3

Molecular Weight:

227.22

UNSPSC Code:

12171500

PubChem Substance ID:

24849830

EC Number:

219-656-6

MDL number:

MFCD00007309

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grade

technical grade

assay

90%

form

powder

mp

132-134 °C (lit.)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[O-][N+](=O)c1ccc(cc1)\N=N\c2ccccc2

InChI

1S/C12H9N3O2/c16-15(17)12-8-6-11(7-9-12)14-13-10-4-2-1-3-5-10/h1-9H/b14-13+

InChI key

TZTDJBMGPQLSLI-BUHFOSPRSA-N

pictograms

GHS08,GHS07

signalword

Warning

hcodes

H302 + H312 + H332,H315,H319,H335,H351

pcodes

P280 - P301 + P312 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

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Mutagenicity of 4-aminoazobenzene, N-hydroxy-4-aminoazobenzene, 4-nitrosoazobenzene, 4-nitroazobenzene, and their ring methoxylated derivatives on Salmonella.

Y Hashimoto et al.

Gan, 72(6), 921-929 (1981-12-01)

The mutagenicities of 4-aminoazobenzene (AAB), N-hydroxy-4-aminoazobenzene, 4-nitroazobenzene, and their 2-, 3-, 4'-methoxyl and 2,5-dimethoxyl derivatives, and 2- and 3-methoxy-4-nitrosoazobenzene were examined on Salmonella typhimurium TA98 and TA100. The activities of AAB dyes upon S-9 metabolic activation were related to their

Synthesis, spectroscopy and photochemistry of nitro-azobenzene dyes bearing benzophenone parts.

Fang Gao et al.

Journal of fluorescence, 19(3), 533-544 (2008-11-20)

Novel nitro-azobenzene dyes bearing one or two benzophenone branches were proposed and synthesized to improve their photophysical and photochemical properties. The new dyes exhibited double UV/visible bands, and they displayed weak fluorescence emission as excited at 350 nm. Single crystal

Resonance Raman spectroscopy and quantum-chemical calculations of push-pull molecules: 4-hydroxy-4'-nitroazobenzene and its anion.

Rômulo A Ando et al.

The journal of physical chemistry. A, 111(51), 13452-13456 (2007-12-07)

The deprotonation of the push-pull molecule 4-hydroxy-4'-nitroazobenzene leads to a substantial variation in the charge distribution over the donor and acceptor moieties in the D-pi-azo-pi-A system. The extra charge stabilizes the excited state, leading to a drastic red shift of

Determination of the structure and orientation of organic molecules tethered to flat graphitic carbon by ATR-FT-IR and Raman spectroscopy.

Franklin Anariba et al.

Analytical chemistry, 78(9), 3104-3112 (2006-04-29)

Mono- and multilayers of nitroazobenzene (NAB), azobenzene (AB), nitrobiphenyl (NBP), biphenyl (BP), and fluorene (FL) were covalently bonded to flat pyrolyzed photoresist films (PPF) by electrochemical reduction of their diazonium derivatives. The structure and orientation of the molecular layers were

Global Trade Item Number

SKU	GTIN
159697-5G	04061832338705

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