|Molar Mass||390.310 g·mol−1|
|Solubility in Water||About 50 g/100 mL|
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 in the EU, USA and Australia and New Zealand.