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524204

2,5-Dichloro-4-nitroaniline

97%

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About This Item

Linear Formula:
Cl2C6H2(NO2)NH2
CAS Number:
6627-34-5
Molecular Weight:
207.01
NACRES:
NA.22
PubChem Substance ID:
24874396
UNSPSC Code:
12352100
EC Number:
229-591-5
MDL number:
MFCD00025157
Assay:
97%
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assay

97%

mp

154-158 °C (lit.)

functional group

chloro, nitro

SMILES string

Nc1cc(Cl)c(cc1Cl)[N+]([O-])=O

InChI

1S/C6H4Cl2N2O2/c7-3-2-6(10(11)12)4(8)1-5(3)9/h1-2H,9H2

InChI key

JBXZCPXEYAEMJS-UHFFFAOYSA-N

General description

2,5-Dichloro-4-nitroaniline is primary aniline indicator. Its pKa in sulfonate and water are -2.12 and -1.78, respectively.

Application

2,5-Dichloro-4-nitroaniline may be employed as an indicator for the estimation of acidity of strong acids.

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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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