Calcium ascorbate

Calcium ascorbate
Names

IUPAC name calcium (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate
Other names Calcium diascorbate; Calcium L-ascorbate; Hemicalcium ascorbate; Calci-C; E 302
Identifiers
CAS Number	5743-27-1^N
ChemSpider	4445637^Y
Jmol interactive 3D	Image
PubChem	21967
InChI InChI=1S/2C6H8O6.Ca.2H2O/c27-1-2(8)5-3(9)4(10)6(11)12-5;;;/h22,5,7-8,10-11H,1H2;;21H2/q;;+2;;/p-2/t22-,5+;;;/m00.../s1^Y Key: FWGHSAZDJGAESH-FWCDDDAWSA-L^Y InChI=1/2C6H8O6.Ca.2H2O/c27-1-2(8)5-3(9)4(10)6(11)12-5;;;/h22,5,7-8,10-11H,1H2;;21H2/q;;+2;;/p-2/t22-,5+;;;/m00.../s1 Key: FWGHSAZDJGAESH-ORZGFQGYBD
SMILES [Ca+2].O=C1C(\O)=C(\[O-])O[C@@H]1[C@@H](O)CO.O=C1C(\O)=C(\[O-])O[C@@H]1[C@@H](O)CO.O.O
Properties
Chemical 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 otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
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]

References

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

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