Calcium ascorbate

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Calcium ascorbate
Calcium ascorbate.png
CAS number 5743-27-1 N
PubChem 21967
ChemSpider 4445637 YesY
Jmol-3D images Image 1
Molecular formula C12H14CaO12
Molar mass 390.31 g mol−1
Solubility in water about 50 g/100 mL[1]
Solubility "slightly soluble in alcohol; insoluble in ether"[1]
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

Calcium ascorbate is a compound with the molecular formula CaC12H14O12. It is the calcium salt of ascorbic acid, one of the mineral ascorbates. It is approximately 10% calcium by mass.

As a food additive, it has the E number E 302. It is approved for use as a food additive in the EU,[2] USA[3] and Australia and New Zealand.[4]


  1. ^ a b "Reference Tables: Description and Solubility - C". 
  2. ^ UK Food Standards Agency: "Current EU approved additives and their E Numbers". Retrieved 2011-10-27. 
  3. ^ US Food and Drug Administration: "Listing of Food Additives Status Part I". Retrieved 2011-10-27. 
  4. ^ Australia New Zealand Food Standards Code"Standard 1.2.4 - Labelling of ingredients". Retrieved 2011-10-27.