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D(-)-Arabinose

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D(-)-Arabinose Basic information
D(-)-Arabinose Chemical Properties
  • Melting point:162-164 °C(lit.)
  • alpha -103.5 º (c=4, H2O, 24hrs.)
  • Boiling point:191.65°C (rough estimate)
  • Density 1.1897 (rough estimate)
  • refractive index 1.3920 (estimate)
  • storage temp. Sealed in dry,2-8°C
  • solubility H2O: 1 M at 20 °C, clear, colorless
  • pka12.26±0.70(Predicted)
  • form Liquid
  • color Clear
  • Water Solubility soluble
  • CAS DataBase Reference28697-53-2(CAS DataBase Reference)
Safety Information
  • Safety Statements 24/25
  • WGK Germany 3
  • 3-10
  • HS Code 29400090
MSDS
D(-)-Arabinose Usage And Synthesis
  • Chemical PropertiesWhite to off-white powder
  • UsesAn inhibitor of the enzyme glucose dehydrogenase.
  • Purification MethodsCrystallise D-(-)-arabinose three times from EtOH, dry it in vacuo at 60o for 24hours and store it in a vacuum desiccator. It also crystallises from a mixture of H2O/MeOH/EtOH with m 158-160o, or H2O with m 160-161o. [Whistler & Schweiger J Am Chem Soc 81 5190 1959, Fletcher et al. J Am Chem Soc 72 4546 1950, Beilstein 1 IV 4215, see Angyal Adv Carbohydrate Chem Biochem 42 15 1984 for ratio of anomers in solution.]
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