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1,4-Diamino-2-nitrobenzene

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1,4-Diamino-2-nitrobenzene Basic information

Product Name:
1,4-Diamino-2-nitrobenzene
Synonyms:
  • 1,4-benzenediamine,2-nitro-
  • 1,4-benzenediamine,2-nitro-,
  • 1,4-diaminonitrobenzol
  • 2NDB
  • 2-Nitro-1,4-phenylenediamine Base JL
  • 2-Nitro-4-aminoaniline
  • 2-nitro-4-benzenediamine
  • 2-nitrobenzene-1,4-diamine
CAS:
5307-14-2
MF:
C6H7N3O2
MW:
153.14
EINECS:
226-164-5
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Amines
  • Nitrogen Compounds
  • Organic Building Blocks
  • Polyamines
  • Intermediates of Dyes and Pigments
  • Anilines, Aromatic Amines and Nitro Compounds
Mol File:
5307-14-2.mol
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1,4-Diamino-2-nitrobenzene Chemical Properties

Melting point:
135-138 °C (lit.)
Boiling point:
276.04°C (rough estimate)
Density 
1.3682 (rough estimate)
refractive index 
1.6500 (estimate)
storage temp. 
Keep in dark place,Inert atmosphere,Room temperature
solubility 
0.2g/l
form 
Powder
pka
4.36±0.10(Predicted)
color 
Brown to black
PH
7 (H2O)(aqueous suspension)
Water Solubility 
<0.1 g/100 mL at 22 ºC
BRN 
2210195
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
HVHNMNGARPCGGD-UHFFFAOYSA-N
LogP
0.53
CAS DataBase Reference
5307-14-2(CAS DataBase Reference)
NIST Chemistry Reference
1,4-Benzenediamine, 2-nitro-(5307-14-2)
IARC
3 (Vol. Sup 7, 57) 1993
EPA Substance Registry System
2-Nitro-p-phenylenediamine (5307-14-2)
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Safety Information

Hazard Codes 
Xi,Xn
Risk Statements 
43-68
Safety Statements 
36/37-45
RIDADR 
3143
WGK Germany 
2
RTECS 
ST3000000
TSCA 
Yes
HS Code 
29215119
Hazardous Substances Data
5307-14-2(Hazardous Substances Data)

MSDS

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1,4-Diamino-2-nitrobenzene Usage And Synthesis

Description

o-Nitro-paraphenylenediamine (ONPD) is a hair dye and a sensitizer in hairdressers.

Chemical Properties

Dark red crystal Powder

Uses

This compound is used in hair and fur dyes.

Uses

2-Nitro-4-phenylene-diamine is a dyestuff used to dye furs brown and reddish-brown; dye intermediate in semi-permanent and permanent hair coloring products (produces brown and red shades on the hair); in different hair-dyeing preparations.

Definition

ChEBI: A primary amino compound that is p-phenylenediamine in which one of the hydrogens attached to the benzene ring is replaced by a nitro group. It is a cosmetic hair dye intermediate that is used in permanent hair colouring products (diluted 1:1 ith an oxidising agent prior to application).

General Description

Almost black needles with dark-green luster or black powder.

Air & Water Reactions

1,4-Diamino-2-nitrobenzene may be sensitive to prolonged exposure to light and air. Insoluble in water.

Reactivity Profile

1,4-Diamino-2-nitrobenzene is incompatible with strong oxidizing agents.

Fire Hazard

Flash point data for 1,4-Diamino-2-nitrobenzene are not available; however, 1,4-Diamino-2-nitrobenzene is probably combustible.

Flammability and Explosibility

Non flammable

Contact allergens

ONPD is a hair dye and a sensitizer in hairdressers and consumers who are generally sensitive to PPD too.

Safety Profile

Suspected carcinogen with experimental carcinogenic and neoplastigenic data. Poison by intraperitoneal route. Moderately toxic by ingestion. An experimental teratogen. Other experimental reproductive effects. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx,.

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