calcium ascorbate

{{Chembox

| Verifiedfields = changed

| Watchedfields = changed

| verifiedrevid = 476993180

| ImageFile = Calcium ascorbate.png

| ImageClass = skin-invert-image

| ImageSize = 200px

| IUPACName = Calcium (2R)-2-[(1S)-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2H-furan-3-olate

| OtherNames = Calcium diascorbate; Calcium L-ascorbate; Hemicalcium ascorbate; Calci-C; E 302

|Section1={{Chembox Identifiers

| ChemSpiderID_Ref = {{chemspidercite|correct|chemspider}}

| ChemSpiderID = 4445637

| InChI = 1/2C6H8O6.Ca.2H2O/c2*7-1-2(8)5-3(9)4(10)6(11)12-5;;;/h2*2,5,7-8,10-11H,1H2;;2*1H2/q;;+2;;/p-2/t2*2-,5+;;;/m00.../s1

| InChIKey = FWGHSAZDJGAESH-ORZGFQGYBD

| CASNo_Ref = {{cascite|correct|CAS}}

| CASNo = 5743-27-1

| UNII_Ref = {{fdacite|correct|FDA}}

| UNII = J96U0ZD4Y6

| StdInChI_Ref = {{stdinchicite|correct|chemspider}}

| StdInChI = 1S/2C6H8O6.Ca.2H2O/c2*7-1-2(8)5-3(9)4(10)6(11)12-5;;;/h2*2,5,7-8,10-11H,1H2;;2*1H2/q;;+2;;/p-2/t2*2-,5+;;;/m00.../s1

| StdInChIKey_Ref = {{stdinchicite|correct|chemspider}}

| StdInChIKey = FWGHSAZDJGAESH-FWCDDDAWSA-L

| PubChem = 21967

| 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

}}

|Section2={{Chembox Properties

| C=12 | H=14 | Ca=1 | O=12

| Formula=Ca(C₆H₇O₆)₂

| Appearance =

| Density =

| MeltingPt =

| BoilingPt =

| Solubility = About 50 g/100 mL{{cite web |title=Reference Tables: Description and Solubility - C |url=http://www.pharmacopeia.cn/v29240/usp29nf24s0_alpha-2-12.html |access-date=2012-09-28 |archive-url=https://web.archive.org/web/20150118103757/http://www.pharmacopeia.cn/v29240/usp29nf24s0_alpha-2-12.html |archive-date=2015-01-18 |url-status=dead }}

| SolubleOther = Slightly soluble in alcohol; insoluble in ether

}}

|Section3={{Chembox Hazards

| MainHazards =

| FlashPt =

| AutoignitionPt = }}

}}

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,UK Food Standards Agency: {{cite web |url=http://www.food.gov.uk/safereating/chemsafe/additivesbranch/enumberlist |title=Current EU approved additives and their E Numbers |accessdate=2011-10-27}} USAUS Food and Drug Administration: {{cite web|url=https://www.fda.gov/Food/FoodIngredientsPackaging/FoodAdditives/FoodAdditiveListings/ucm091048.htm |title=Listing of Food Additives Status Part I |website=Food and Drug Administration |accessdate=2011-10-27 |url-status=dead |archiveurl=https://web.archive.org/web/20130314104055/https://www.fda.gov/Food/FoodIngredientsPackaging/FoodAdditives/FoodAdditiveListings/ucm091048.htm |archivedate=2013-03-14 }} and Australia and New Zealand.Australia New Zealand Food Standards Code {{cite web |url=http://www.comlaw.gov.au/Details/F2011C00827 |title=Standard 1.2.4 - Labelling of ingredients |date=8 September 2011 |accessdate=2011-10-27}}