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101656

Sigma-Aldrich

2-Chloro-4-nitroaniline

99%

Synonym(s):

1-Amino-2-chloro-4-nitrobenzene

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About This Item

Linear Formula:
ClC6H3(NO2)NH2
CAS Number:
121-87-9
Molecular Weight:
172.57
Beilstein:
638657
EC Number:
204-502-2
MDL number:
MFCD00007665
UNSPSC Code:
12352100
PubChem Substance ID:
24846548
NACRES:
NA.22

Assay

99%

autoignition temp.

971 °F

mp

105-108 °C (lit.)

SMILES string

Nc1ccc(cc1Cl)[N+]([O-])=O

InChI

1S/C6H5ClN2O2/c7-5-3-4(9(10)11)1-2-6(5)8/h1-3H,8H2

InChI key

LOCWBQIWHWIRGN-UHFFFAOYSA-N

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Pictograms

Exclamation markEnvironment
GHS07,GHS09

Signal Word

Warning

Hazard Statements

H302,H411

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2

Storage Class Code

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

WGK

WGK 2

Flash Point(F)

379.4 °F - closed cup

Flash Point(C)

193 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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’.

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J Borcherding et al.
Archives of environmental contamination and toxicology, 40(4), 497-504 (2001-08-30)
The Dreissena-Monitor is a biological early warning system for the continuous monitoring of river water quality, based on the valve movements of two groups of 42 zebra mussels (Dreissena polymorpha). Laboratory experiments with Cd, PCP, and 2-chloro-4-nitro-aniline were conducted in
Jimmy Murillo-Gelvez et al.
Environmental science & technology, 53(10), 5816-5827 (2019-05-01)
Nitroaromatic compounds (NACs) are a class of prevalent contaminants. Abiotic reduction is an important fate process that initiates NAC degradation in the environment. Many linear free energy relationship (LFER) models have been developed to predict NAC reduction rates. Almost all
Thai Ha Tran et al.
Chemosphere, 201, 425-431 (2018-03-13)
The manganese oxide birnessite adsorbed and catalyzed the transformation of the anthelminthic drug niclosamide (NIS) into 2-chloro-4-nitroaniline (CNA) and 5-chlorosalicylic acid (CSA) at acidic pH. The adsorption of NIS was fitted using a linear isotherm for all conditions and reaction
J J Espinosa-Aguirre et al.
Mutation research, 264(3), 139-145 (1991-11-01)
Niclosamide is an anti-helminthic drug susceptible to being metabolized into a bacterial mutagen by the action of enzymes present in the S9 activation mixture. Additional results from genotoxic studies in rodents and humans suggest that the drug is absorbed from
D Cottalasso et al.
La Medicina del lavoro, 82(3), 253-260 (1991-05-01)
The toxicity of 4-chloro-2-nitroaniline (4C2NA) and 2-chloro-4-nitroaniline (2C4NA) was investigated on isolated rat hepatocytes following 1-3 hours of exposure to 0.2 and/or 2 mM of these xenobiotics. The higher of the two concentrations appeared to induce a statistically significant loss
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