4-Amino-2-nitrophenol

C6H6N2O3CAS 119-34-6154.13 g/mol

H2NOHN+OO−
NitroPhenolPrimary amine

Properties

Molecular formula
C6H6N2O3
Molar mass
154.13 g/mol
Exact mass
154.0378 Da
Melting point
131 °C
pKa
7.81 (phenol, 25 °C)
Water solubility
< 100 mg/L (21.1 °C)
logP
0.88Crippen estimate
Polar surface area
89.4 Ų
H-bond donors / acceptors
2 / 4
Rotatable bonds
1

Hazards

Danger
Corrosive (GHS05)Irritant (GHS07)Health Hazard (GHS08)

Aggregated from 47 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P203, P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P354+P338, P317, P318, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
119-34-6
SMILES
Nc1ccc(O)c([N+](=O)[O-])c1
InChIKey
WHODQVWERNSQEO-UHFFFAOYSA-N
InChI
InChI=1S/C6H6N2O3/c7-4-1-2-6(9)5(3-4)8(10)11/h1-3,9H,7H2

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Type any one amount. The others follow from the molar mass.

Names and synonyms

13 names · show all
  • Phenol, 4-amino-2-nitro-
  • C.I. 76555
  • C.I. Oxidation base 25
  • Fourrine 57
  • Fourrine brown PR
  • o-Nitro-p-aminophenol
  • 2-Nitro-4-aminophenol
  • 4-Hydroxy-3-nitroaniline
  • p-Amino-o-nitrophenol
  • 3-Nitro-4-hydroxyaniline
  • 1-Amino-3-nitro-4-hydroxybenzene
  • 2-Hydroxy-5-aminonitrobenzene
  • NSC 56809

Work with 4-Amino-2-nitrophenol

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere