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GLYCINE ANHYDRIDE

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GLYCINE ANHYDRIDE Basic information
GLYCINE ANHYDRIDE Chemical Properties
  • Melting point:>300 °C (lit.)
  • Boiling point:213.59°C (rough estimate)
  • Density 1.3565 (rough estimate)
  • refractive index 1.4487 (estimate)
  • storage temp. Store below +30°C.
  • solubility 142g/l
  • pka12.88±0.20(Predicted)
  • form Crystalline Powder
  • color White to slightly yellow
  • Water Solubility Soluble in water (142mg/L).
  • Merck 14,7466
  • BRN 112112
  • InChIKeyBXRNXXXXHLBUKK-UHFFFAOYSA-N
  • CAS DataBase Reference106-57-0(CAS DataBase Reference)
  • EPA Substance Registry System2,5-Piperazinedione (106-57-0)
Safety Information
  • Safety Statements 24/25
  • WGK Germany 3
  • RTECS TL6325250
  • TSCA Yes
  • HS Code 29335990
MSDS
GLYCINE ANHYDRIDE Usage And Synthesis
  • Chemical Propertieswhite to slightly yellow crystalline powder
  • DefinitionChEBI: A cyclic peptide that is piperazine in which the hydrogens at positions 2 and 5 are replaced by oxo groups.
  • Synthesis Reference(s)Journal of the American Chemical Society, 87, p. 4646, 1965 DOI: 10.1021/ja00948a047
  • Purification MethodsRecrystallise glycine anhydride from H2O (plates) and it can be sublimed (slowly) at 260o or at 140-170o/0.5mm. The dihydrochloride has m 129-130o and is prepared by dissolving it in conc HCl and adding EtOH to crystallisation point; dry it in a vacuum. The bis-1-naphthylurethane has m 232o(dec), and the diperchlorate has m 117o (hygroscopic). [MS: Johnstone J Chem Soc, Perkin Trans 1 1297 1975, NMR: Blaha & Samek Collect Czech Chem Commun 32 3780 1967, Sauborn J Phys Chem 36 179 1932, Corey J Am Chem Soc 60 1599 1938, Beilstein 24 IV 1070.]
GLYCINE ANHYDRIDE Preparation Products And Raw materials
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