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Home/Compounds/Dye & Pigment/4-nitro-o-phenylenediamine
C6H7N3O2
153.14 g/mol
Dye & PigmentWarning

4-Nitro-o-phenylenediamine

CAS99-56-9EC202-766-3
Category
Dye & Pigment
Compound Class
Aromatic
Primary Use
Hair dye intermediate

4-Nitro-o-phenylenediamine is a chemical compound primarily used as an intermediate in hair dye formulations. It produces brown, red, and blond shades in semi-permanent and permanent hair coloring products.

Intermediate in semi-permanent hair color formulationsIntermediate in permanent hair color formulationsColorimetric reagent for determination of ascorbic and dehydroascorbic acids in foods

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

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Related Compounds

ApplicationSame Use

Toluene-2,5-diamine

CAS95-70-5

Hair dye intermediate

ReferenceSame Category

2-amino-4-nitrophenol

CAS99-57-0

Intermediate for mordant and acid dyes

ReferenceSame Category

2-methoxy-5-nitroaniline

CAS99-59-2

Intermediate for dyes and pigments

ReferenceSame Category

P-nitrotoluene

CAS99-99-0

Intermediate for azo and sulfur dyes

ReferenceSame Category

Acid Black 210

CAS99576-15-5

Azo dye for protein staining

Safety Reference

Harmful
Harmful
Warning
H302Harmful if swallowed
H317May cause an allergic skin reaction
Identifiers
IUPAC Name

4-nitrobenzene-1,2-diamine

InChIKey

RAUWPNXIALNKQM-UHFFFAOYSA-N

SMILES

C1=CC(=C(C=C1[N+](=O)[O-])N)N

Synonyms (28)
  • 4-NO
  • 4NDB
  • 1,2-Benzenediamine, 4-nitro-
  • 1,2-Diamino-4-nitrobenzene
  • 2-Amino-4-nitroaniline
  • 2-amino-4-nitrophenylamine
  • 2-amino-5-nitroaniline
  • 3,4-Diaminonitrobenzene
  • 4-N-o-Pda
  • 4-Nitro-1,2-benzenediamine
  • 4-Nitro-1,2-diaminobenzene
  • 4-Nitro-1,2-fenylendiamin
  • 4-Nitro-1,2-phenylenediamine
  • 4-Nitro-o-phenylenediamine
  • 4-Nitro-para-phenylenediamine
  • 4-Nitrophenylenediamine
  • 4-Nop
  • 4-Nopd
  • 4-nitrobenzene-1
  • 4-nitrobenzene-1,2-diamine
  • Nitro-o-phenylenediamine
  • O-PHENYLENEDIAMINE, 4-NITRO-
  • aniline, 2-amino-4-nitro-
  • p-Nitro-o-phenylenediamine
  • p-nitro-o-phenylendiamine