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4-Aminopyrimidine

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4-Aminopyrimidine Basic information
4-Aminopyrimidine Chemical Properties
  • Melting point:154-156 °C(lit.)
  • Boiling point:167.6°C (rough estimate)
  • Density 1.1031 (rough estimate)
  • refractive index 1.5200 (estimate)
  • form Crystals or Powder
  • pka5.71(at 20℃)
  • color White to slightly beige
  • Water Solubility Slightly soluble in water.
  • λmax273nm(EtOH)(lit.)
  • CAS DataBase Reference591-54-8(CAS DataBase Reference)
  • NIST Chemistry ReferencePyrimidine, 4-amino-,(591-54-8)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-37/39
  • WGK Germany 3
  • HS Code 29339900
MSDS
4-Aminopyrimidine Usage And Synthesis
  • Chemical PropertiesWhite to slightly beige crystals or powder
  • Purification MethodsRecrystallise 10.6g of aminopyrimidine from hot EtOAc (200mL) to give 7.4g colourless needles as first crop; evaporation to 25mL gives a second crop of 1.7g. The hydroiodide has m 180o. The picrate has m 225o. [Brown J Soc Chem Ind (London) 69 353 1950, Beilstein 24 H 81, 24 III/IV 2130.]
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