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N2128

Sigma-Aldrich

4-Nitroaniline

crystalline

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About This Item

Linear Formula:
O2NC6H4NH2
CAS Number:
100-01-6
Molecular Weight:
138.12
Beilstein/REAXYS Number:
508690
EC Number:
202-810-1
MDL number:
MFCD00007858
UNSPSC Code:
12352100
PubChem Substance ID:
24897555

assay

≥97.5%

form

crystalline

color

yellow

bp

260 °C/100 mmHg (lit.)

mp

146-149 °C (lit.)

ε (extinction coefficient)

8.8 at 410 nm at 1 mM (pH 5.0-10.5)

SMILES string

Nc1ccc(cc1)[N+]([O-])=O

InChI

1S/C6H6N2O2/c7-5-1-3-6(4-2-5)8(9)10/h1-4H,7H2

InChI key

TYMLOMAKGOJONV-UHFFFAOYSA-N

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Application

Product of chromogenic reactions.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

pictograms

Skull and crossbonesHealth hazard
GHS06,GHS08

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Aquatic Chronic 3 - STOT RE 2

Storage Class

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

wgk_germany

WGK 3

flash_point_f

415.4 °F - closed cup

flash_point_c

213.0 °C - closed cup

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Krzysztof Iwaszczuk et al.
Optics express, 17(24), 21969-21976 (2009-12-10)
We present a new method for data acquisition in time-resolved terahertz spectroscopy experiments. Our approach is based on simultaneous collection of reference and differential THz scans. Both the optical THz generation beam and the pump beam are modulated at two
Cuiping Han et al.
The Analyst, 135(3), 583-588 (2010-02-23)
The purpose of this paper is to develop a sensitive and low-cost colorimetric method for detection of melamine using simple circuitry. The stable p-nitroaniline-modified silver nanoparticles (Ag NPs) were synthesized by a zero-length covalent coupling chemistry, which showed sensitivity and
Azeem Khalid et al.
Water research, 43(4), 1110-1116 (2008-12-31)
Environmentally toxic aromatic amines including nitroanilines are commonly generated in dye contaminated wastewater in which azo dyes undergo degradation under anaerobic conditions. The aim of this study was to develop a process for biological treatment of 4-nitroaniline. Three bacteria identified
Shoichi Yamaguchi et al.
The Journal of chemical physics, 129(10), 101102-101102 (2008-12-03)
Heterodyne-detected electronic sum frequency generation (HD-ESFG) spectroscopy is newly developed to obtain complex electronic chi(2) spectra of interfaces for a simultaneous detection bandwidth broader than 100 nm. HD-ESFG provides linear chi(2) spectra that have unambiguous information on the "up" versus
Xin Chen et al.
Analytical chemistry, 84(20), 8557-8563 (2012-09-25)
The determination of nitroaromatic compounds in aqueous solution was investigated at β-cyclodextrin (β-CD)/silver nanoparticle (AgNPs) composite modified ITO electrodes. This method relies on the different reduction potentials for the various nitroaromatic isomers, the different binding strengths of the nitroaromatic isomer
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