Ascorbyl palmitate

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Ascorbyl palmitate
Ascorbyl palmitate vector structure.svg
IUPAC name
[(2S)-2-[(2R)-4,5-Dihydroxy-3-oxo-2-furyl]-2-hydroxy-ethyl] hexadecanoate
Other names
Ascorbyl palmitate
L-Ascorbic acid 6-hexadecanoate
6-O-Palmitoylascorbic acid
3D model (JSmol)
Abbreviations E304
ECHA InfoCard 100.004.824 Edit this at Wikidata
E number E304 (antioxidants, ...)
Molar mass 414.539 g·mol−1
Appearance White to yellowish colored powder
Melting point 116 to 117 °C (241 to 243 °F; 389 to 390 K)
Very slightly soluble in water; freely soluble in ethanol
Flash point 178.1 °C (352.6 °F; 451.2 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Ascorbyl palmitate is an ester formed from ascorbic acid and palmitic acid creating a fat-soluble form of vitamin C. In addition to its use as a source of vitamin C, it is also used as an antioxidant food additive (E number E304). It is approved for use as a food additive in the EU,[1] the U.S.,[2] Canada,[3] Australia, and New Zealand.[4]

Ascorbyl palmitate is also marketed as "vitamin C ester".

See also[edit]


  1. ^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27.
  2. ^ US Food and Drug Administration: "Listing of Food Additives Status Part I". Archived from the original on 2012-01-17. Retrieved 2011-10-27.
  3. ^ Health Canada: "Chemical Substance - Ascorbyl palmitate". Retrieved 2016-08-13.
  4. ^ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.

External links[edit]