Tripalmitin

Tripalmitin is a triglyceride derived from the fatty acid palmitic acid.

Tripalmitin
Names
IUPAC name
1,2,3-Propanetriyl trihexadecanoate
Other names
Palmitin; Glycerol tripalmitate; Glycerin tripalmitate; Glyceryl tripalmitate; Palmitic triglyceride; Tripalmitoyl glycerol
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.008.272
EC Number
  • 209-098-1
RTECS number
  • RT4953500
UNII
Properties
C51H98O6
Molar mass 807.339 g·mol−1
Appearance White powder
Density 0.8752 g/cm3 (70 °C)[1]
Melting point 44.7–67.4 °C (112.5–153.3 °F; 317.8–340.5 K)[2][3]
Boiling point 315 °C (599 °F; 588 K)
at 760 mmHg[1]
Insoluble
Solubility Soluble in EtOH, (C2H5)2O, C6H6, CHCl3[1]
1.4381 (80 °C)[1]
Structure
Triclinic (β-form)[4]
P1 (β-form)[4]
Thermochemistry
1219.4 J/mol·K (β-form, 281.2 K)
1753.1 J/mol·K (338.8 K)[3][5]
1387.4 J/mol·K (liquid)[5]
Std enthalpy of
formation fH298)
−2468.7 kJ/mol[5]
Std enthalpy of
combustion cH298)
−31605.9 kJ/mol[5]
Hazards
Xn
R-phrases (outdated) R20/22
NFPA 704 (fire diamond)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

References

  1. Lide, David R., ed. (2009). CRC Handbook of Chemistry and Physics (90th ed.). Boca Raton, Florida: CRC Press. ISBN 978-1-4200-9084-0.
  2. Hong, Jindui (2010). Journal of Chemical & Engineering Data. 55 (1): 297–302. Missing or empty |title= (help)
  3. Charbonnet, G. H.; Singleton, W. S. (1947). "Thermal properties of fats and oils". Journal of the American Oil Chemists' Society. 24 (5): 140. doi:10.1007/BF02643296.
  4. Van Langevelde, A.; Van Malssen, K.; Hollander, F.; Peschar, R.; Schenk, H. (1999). "Structure of mono-acid even-numbered β-triacylglycerols". Acta Crystallographica Section B. 55: 114. doi:10.1107/S0108768198009392.
  5. Tripalmitin in Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD), http://webbook.nist.gov (retrieved 2014-06-19)
  6. "MSDS of Trimyristin". http://www.fishersci.ca. Fisher Scientific. Retrieved 2014-06-19. External link in |website= (help)


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.