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DL-2-AMINO-4-PENTENOIC ACID

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DL-2-AMINO-4-PENTENOIC ACID Basic information
DL-2-AMINO-4-PENTENOIC ACID Chemical Properties
  • Melting point:258-260 °C(lit.)
  • Boiling point:215.41°C (rough estimate)
  • Density 1.1808 (rough estimate)
  • refractive index 1.4538 (estimate)
  • storage temp. 2-8°C
  • pka2.22±0.10(Predicted)
  • form Crystalline Powder
  • color White
  • BRN 1748645
  • CAS DataBase Reference7685-44-1(CAS DataBase Reference)
Safety Information
MSDS
DL-2-AMINO-4-PENTENOIC ACID Usage And Synthesis
  • Chemical Propertieswhite crystalline powder
  • Purification MethodsDissolve it in absolute EtOH and precipitate it with pyridine, then recrystallise it from aqueous EtOH [RF on paper in BuOH/EtOH/NH3/H2O (4:4:1:1:) is 0.37]. The hydrobromide has m 136-140o (from EtOAc) and the phenylureido derivative has m 159-161o. [Schgl Monatsh Chem 89 377 1958, Beilstein 4 IV 2852.]
DL-2-AMINO-4-PENTENOIC ACID(7685-44-1)Related Product Information
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