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4-Chloro-2-nitroaniline Basic information
4-Chloro-2-nitroaniline Chemical Properties
  • Melting point:117-119 °C(lit.)
  • Boiling point:200°C (rough estimate)
  • Density 1.37
  • refractive index 1.6460 (estimate)
  • Flash point:191 °C
  • storage temp. room temp
  • solubility 0.5g/l (anhydrous substance)
  • pkapK1: 1.10(+1) (25°C)
  • form Crystalline Powder or Chunks
  • Colour Index 37040
  • color Orange
  • PH7 (0.5g/l, H2O, 20℃)
  • Water Solubility INSOLUBLE
  • BRN 512436
  • Stability:Stable. Combustible. Incompatible with strong oxidizing agents.
  • CAS DataBase Reference89-63-4(CAS DataBase Reference)
  • NIST Chemistry ReferenceAniline, 4-chloro-2-nitro-(89-63-4)
  • EPA Substance Registry System4-Chloro-2-nitroaniline (89-63-4)
Safety Information
4-Chloro-2-nitroaniline Usage And Synthesis
  • Chemical Propertiesbright orange powder
  • UsesA nitro-aromatic amine with mutagenicity and carcinogenicity
  • Uses4-Chloro-2-nitroaniline is used almost exclusively as an intermediate in the synthesis of pigments. The greatest potential for human exposure to 4-chloro-2- nitroaniline is in production and use of pigments made from the compound.
  • General DescriptionBright orange powder.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity Profile4-Chloro-2-nitroaniline forms explosive products on reaction with nitric acid. Can react with oxidizing agents.
  • HazardToxic by ingestion and inhalation.
  • Fire Hazard4-Chloro-2-nitroaniline is probably combustible.
  • Purification MethodsCrystallise the aniline from hot H2O (m 115.8-116o), EtOH, EtOH/H2O or *C6H6, and dry it for 10hours at 60o in vacuo. It has m 115.5-116o after sublimation. [Beilstein 12 H 729, 12 I 355, 12 II 396, 12 III 1649, 12 IV 1669.]
4-Chloro-2-nitroaniline Preparation Products And Raw materials
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