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2-Amino-4-nitrophenol Basic information
2-Amino-4-nitrophenol Chemical Properties
  • Melting point:140-143 °C (lit.)
  • Boiling point:322.46°C (rough estimate)
  • Density 1.3617 (estimate)
  • refractive index 1.6890 (rough estimate)
  • Flash point:100 °C
  • pka6.82±0.22(Predicted)
  • Water Solubility slightly soluble
  • BRN 776533
  • CAS DataBase Reference99-57-0(CAS DataBase Reference)
  • IARC3 (Vol. 57) 1993
  • EPA Substance Registry System2-Amino-4-nitrophenol (99-57-0)
Safety Information
2-Amino-4-nitrophenol Usage And Synthesis
  • UsesAn aromatic constituent found in hair dyes and other cosmetic products with very low levels of mutagenic activity.
  • Uses2-Amino-4-nitrophenol is used in preparing some mordant dyes and in some hair dyes.
  • Synthesis Reference(s)Organic Syntheses, Coll. Vol. 3, p. 82, 1955
    The Journal of Organic Chemistry, 45, p. 4992, 1980 DOI: 10.1021/jo01312a039
  • General DescriptionOrange prisms or yellow powder. No odor.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity ProfileOxidation of 2-Amino-4-nitrophenol may occur in the presence of air and violent decomposition may occur if 2-Amino-4-nitrophenol is allowed to dry out completely at elevated temperatures. 2-Amino-4-nitrophenol is stable when stored protected from light and under nitrogen for two weeks at temperatures up to 140° F, and storage under nitrogen for up to 24 weeks at room temperature (77° F) should produce no loss of stability. 2-Amino-4-nitrophenol is incompatible with acids, acid chlorides, acid anhydrides, chloroformates and strong oxidizing agents. 2-Amino-4-nitrophenol is also incompatible with iron.
  • Fire HazardFlash point data for 2-Amino-4-nitrophenol are not available. 2-Amino-4-nitrophenol is probably combustible.
  • Purification MethodsCrystallise the phenol from water. [Beilstein 13 IV 896.]
2-Amino-4-nitrophenol Preparation Products And Raw materials
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