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D-gamma-Tocopherol

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D-gamma-Tocopherol Basic information
D-gamma-Tocopherol Chemical Properties
  • alpha 30 º (C=2.0 IN ISOOCTANE 25 ºC)
  • Boiling point:200 °C (0.1 mmHg)
  • Density 0.9882 (rough estimate)
  • refractive index n20/D 1.505
  • Flash point:9℃
  • storage temp. 2-8°C
  • pka11.05±0.40(Predicted)
  • form Viscous Liquid
  • color Clear light brown
  • Merck 13,9573
  • BRN 93072
  • CAS DataBase Reference54-28-4(CAS DataBase Reference)
  • EPA Substance Registry SystemD-.gamma.-Tocopherol (54-28-4)
Safety Information
MSDS
D-gamma-Tocopherol Usage And Synthesis
  • Chemical Propertiesclear light brown viscous liquid
  • UsesOne of the naturally occurring forms of Vitamin E. Most abundant Tocopherol in soybean and corn oils.
  • Purification Methods-Tocopherol is purified by distillation at high vacuum and stored in dark ampoules under N2. UV: max at 298nm (A1cm 1% 92.8). It is insoluble in H2O but soluble in organic solvents. The allophanate (used for separating it from its isomers) has m 136-138o, [] D 18 +3.4o (CHCl3). [Baxter et al. J Am Chem Soc 65 918 1943, Emerson et al. Science 83 421 1936, J Biol Chem 113 319 1936, Beilstein 17/4 V 158.]
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