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269050

Sigma-Aldrich

5-Chloro-2-nitroaniline

97%

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Synonym(s):
2-Amino-4-chloro-nitrobenzene
Linear Formula:
ClC6H3(NO2)NH2
CAS Number:
Molecular Weight:
172.57
Beilstein/REAXYS Number:
2210201
EC Number:
MDL number:
PubChem Substance ID:

Quality Level

assay

97%

form

chunks

mp

125-129 °C (dec.) (lit.)

SMILES string

Nc1cc(Cl)ccc1[N+]([O-])=O

InChI

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

InChI key

ZCWXYZBQDNFULS-UHFFFAOYSA-N

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1 of 4

This Item
101656463442540668
5-Chloro-2-nitroaniline 97%

269050

5-Chloro-2-nitroaniline

2-Chloro-4-nitroaniline 99%

101656

2-Chloro-4-nitroaniline

5-Chloro-2-methylphenol 97%

540668

5-Chloro-2-methylphenol

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

100

mp

125-129 °C (dec.) (lit.)

mp

105-108 °C (lit.)

mp

209-214 °C (lit.)

mp

72-76 °C (lit.)

form

chunks

form

-

form

-

form

-

General description

The coupling of divinylbenzene cross-linked polystyrene with 5-chloro-2-nitroaniline followed by oxidative decyanation afforded benzophenone.

Application

5-Chloro-2-nitroaniline was used in the synthesis of 5-(4-substituted piperazin-1-yl)-2-nitroanilines and 5-(4-substituted piperazin-1-yl)benzimidazole-2-carbamates.

signalword

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 2 Oral - Aquatic Chronic 2 - 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

Not applicable

flash_point_c

Not applicable

ppe

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


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Traceless solid-phase synthesis of 5-benzoylbenzimidazoles.
Canadian Journal of Chemistry, 79(11), 1556-1561 (2001)
R M Sánchez-Alonso et al.
Die Pharmazie, 44(9), 606-607 (1989-09-01)
A series of 5-(4-substituted piperazin-1-yl)-2-nitroanilines (4) and 5-(4-substituted piperazin-1-yl)benzimidazole-2-carbamates (6) has been synthesized starting from 5-chloro-2-nitroaniline (3) and N-monosubstituted piperazines. Catalytic reduction of 4 with Pd/C followed by treatment with 1,3-dicarbomethoxy-S-methylisothiourea yielded the corresponding methyl-5-(4-substituted piperazin-1-yl)benzimidazole-2-carbamates (6) which were for

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