Ascorbyl stearate

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Ascorbyl stearate
Ascorbyl stearate.png
CAS number 10605-09-1 YesY
PubChem 10343784
ChemSpider 18619275
EC number 234-231-5
Jmol-3D images Image 1
Molecular formula C24H42O7
Molar mass 442.586 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Ascorbyl stearate (C24H42O7) is an ester formed from ascorbic acid and stearic acid. In addition to its use as a source of vitamin C, it is used as an antioxidant food additive in margarine (E number E305). The USDA limits its use to 0.02% individually or in conjunction with other antioxidants.

See also[edit]


  • Burdock, George A (1996). Encyclopedia of Food & Color Additives. CRC Press. p. 213. ISBN 0-8493-9412-0. 
  • Lewis, Richard J (1989). Food Additives Handbook. Springer. p. 70. ISBN 0-442-20508-2. 

External links[edit]