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2,4-Dinitroaniline

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2,4-Dinitroaniline Basic information

Product Name:
2,4-Dinitroaniline
CAS:
97-02-9
MF:
C6H5N3O4
MW:
183.12
EINECS:
202-553-5
Mol File:
97-02-9.mol
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2,4-Dinitroaniline Chemical Properties

Melting point:
177 °C
Boiling point:
316.77°C (rough estimate)
Density 
1,61 g/cm3
refractive index 
1.6910 (estimate)
Flash point:
224 °C
storage temp. 
Flammables area
pka
pK1:-14.25(+1) (25°C)
form 
Crystalline Powder
color 
Yellow to yellow-green or yellow-brown
Water Solubility 
0.06 g/L (20 ºC)
Merck 
14,3270
BRN 
982999
Stability:
Stable. Incompatible with oxidizing agents. May decompose violently at elevated temperatures.
CAS DataBase Reference
97-02-9(CAS DataBase Reference)
NIST Chemistry Reference
Benzenamine, 2,4-dinitro-(97-02-9)
EPA Substance Registry System
2,4-Dinitroaniline (97-02-9)
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Safety Information

Hazard Codes 
T+,N
Risk Statements 
26/27/28-33-51/53
Safety Statements 
28-36/37-45-61-28A
RIDADR 
UN 1596 6.1/PG 2
WGK Germany 
2
RTECS 
BX9100000
TSCA 
Yes
HazardClass 
6.1
PackingGroup 
II
HS Code 
29214210
Hazardous Substances Data
97-02-9(Hazardous Substances Data)

MSDS

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2,4-Dinitroaniline Usage And Synthesis

Chemical Properties

yellow crystalline solid

Definition

ChEBI: A nitroaniline consisting of an aniline core having two nitro substituents located at the 2- and 4-positions.

General Description

Yellow powder or crystals with a musty odor. Sinks in water.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

2,4-Dinitroaniline may decompose violently at elevated temperatures. 2,4-Dinitroaniline can react with oxidizing materials, i.e. chlorine/hydrochloric acid. . In mixture with powdered charcoal ignited upon heating, [Cahiers, 1980, (99), 278].

Health Hazard

May cause headache, nausea, stupor. Irritating to skin and mucous membrane.

Purification Methods

Crystallise the nitroaniline from boiling EtOH by adding one-third volume of H2O and cooling slowly. Dry it on a steam oven. The N-acetyl derivative has m 180o. [Beilstein 12 IV 1689.]

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