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4-Amino-2-nitrophenol

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4-Amino-2-nitrophenol Basic information
4-Amino-2-nitrophenol Chemical Properties
  • Melting point:125-127 °C(lit.)
  • Boiling point:322.46°C (rough estimate)
  • Density 1.3617 (estimate)
  • refractive index 1.6890 (rough estimate)
  • storage temp. Keep in dark place,Sealed in dry,2-8°C
  • form neat
  • Colour Index 76555
  • pka7.90±0.14(Predicted)
  • Water Solubility <0.01 g/100 mL at 21 ºC
  • BRN 1368435
  • CAS DataBase Reference119-34-6(CAS DataBase Reference)
  • IARC3 (Vol. 16, Sup 7) 1987
  • EPA Substance Registry System4-Amino-2-nitrophenol (119-34-6)
Safety Information
MSDS
4-Amino-2-nitrophenol Usage And Synthesis
  • Chemical PropertiesDARK BROWN FINE CRYSTALLINE POWDER
  • Chemical Properties4-Amino-2-nitrophenol is a dark red crystalline or reddish-purple solid.
  • Uses4-Amino-2-nitrophenol has been used in dyeing human hair and animal fur. The typical concentration in the “semipermanent” hair dyes was estimated to be on the order of 0.1–1.0%.
  • General DescriptionDark red plates, needles or reddish-purple powder. Melting point 125-127°C.
  • Air & Water ReactionsSensitive to oxidation upon prolonged exposure to air. Insoluble in water.
  • Reactivity Profile4-Amino-2-nitrophenol may react with strong oxidizing agents, strong bases, acid chlorides and acid anhydrides .
  • Fire HazardFlash point data for 4-Amino-2-nitrophenol are not available. 4-Amino-2-nitrophenol is probably combustible.
  • Safety ProfileSuspected carcinogen with experimental carcinogenic data. Very poisonous by intraperitoneal route. Moderately toxic by ingestion. A severe eye heated to decomposition it emits toxic fumes of NOx.
  • Potential ExposureIn dye formulation for furs and hair
  • CarcinogenicityUnder the conditions of the bioassay, the compound was carcinogenic in male rats inducing transitional cell carcinomas of the urinary bladder (controls 0/15, lowdose 0/46, high dose 11/39). The same tumor was also observed in three dosed female rats and may have been associated with the administration of the chemical. No evidence of carcinogenic activity was found in the mice.
  • ShippingUN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required. UN3143 Dyes, solid, toxic, n.o.s. or Dye intermediates, solid, toxic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required
  • IncompatibilitiesIncompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. It is unknown if this nitro compound is explosive; some are flammable and explosive, and the contact with alkali increases thermal sensitivity of these materials.
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