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2,5-DICHLORO-4-NITROANILINE

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2,5-DICHLORO-4-NITROANILINE Basic information

Product Name:
2,5-DICHLORO-4-NITROANILINE
Synonyms:
  • 2,5-dichloro-4-nitro-anilin
  • 2,5-dichloro-4-nitro-benzenamin
  • Benzenamine,2,5-dichloro-4-nitro-
  • 2,5-DICHLORO-4-NITROANILINE
  • 2,5-Dichloro-4-nitrobenzenamine
  • TIMTEC-BB SBB003478
  • 2,5-Dichloro-4-nitroaniline,97%
  • 2,5-DICHLO-4-NITROANILINE
CAS:
6627-34-5
MF:
C6H4Cl2N2O2
MW:
207.01
EINECS:
229-591-5
Product Categories:
  • Intermediates of Dyes and Pigments
  • Amines
  • C2 to C6
  • Nitrogen Compounds
  • Building Blocks
  • C6
  • Chemical Synthesis
  • Nitrogen Compounds
  • Organic Building Blocks
Mol File:
6627-34-5.mol
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2,5-DICHLORO-4-NITROANILINE Chemical Properties

Melting point:
154-158 °C (lit.)
Boiling point:
360.98°C (rough estimate)
Density 
1.6257 (rough estimate)
refractive index 
1.6100 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
form 
powder to crystal
pka
pK1:-1.74(+1) (25°C)
color 
Light yellow to Amber to Dark green
BRN 
2211952
CAS DataBase Reference
6627-34-5(CAS DataBase Reference)
EPA Substance Registry System
2,5-Dichloro-4-nitroaniline (6627-34-5)
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Safety Information

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-37/39
RIDADR 
2811
WGK Germany 
3
RTECS 
BX2950000
HS Code 
29214200

MSDS

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2,5-DICHLORO-4-NITROANILINE Usage And Synthesis

Chemical Properties

yellow powder

Uses

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

General Description

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

Purification Methods

Recrystallise it from EtOH, then sublime it in vacuo.[Beilstein 12 H 735, 12 II 400.]

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