# Calcium ascorbate

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> Markdown URL: https://mediated.wiki/source/Calcium_ascorbate.md
> Source: https://en.wikipedia.org/wiki/Calcium_ascorbate
> Source revision: 1269299641
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{{Chembox
| Verifiedfields = changed
| Watchedfields = changed
| verifiedrevid = 476993180
| ImageFile = Calcium ascorbate.png
| ImageClass = skin-invert-image
| ImageSize = 200px
| IUPACName = Calcium (2''R'')-2-[(1''S'')-1,2-dihydroxyethyl]-4-hydroxy-5-oxo-2''H''-furan-3-olate
| OtherNames = Calcium diascorbate; Calcium <small>L</small>-ascorbate; Hemicalcium ascorbate; Calci-C; E&nbsp;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(C<sub>6</sub>H<sub>7</sub>O<sub>6</sub>)<sub>2</sub>
| Appearance = 
| Density = 
| MeltingPt = 
| BoilingPt = 
| Solubility = About 50 g/100 mL<ref name="pharmacopeia">{{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 }}</ref>
| SolubleOther = Slightly soluble in alcohol; insoluble in ether<ref name="pharmacopeia" />
}}
|Section3={{Chembox Hazards
| MainHazards = 
| FlashPt = 
| AutoignitionPt = }}
}}

'''Calcium ascorbate''' is a [compound](/source/Compound_(chemistry)) with the molecular formula CaC<sub>12</sub>H<sub>14</sub>O<sub>12</sub>. It is the [calcium](/source/calcium) [salt](/source/salt_(chemistry)) of [ascorbic acid](/source/ascorbic_acid), one of the [mineral ascorbates](/source/mineral_ascorbates). It is approximately 10% calcium by mass.

As a food additive, it has the [E number](/source/E_number) E&nbsp;302. It is approved for use as a food in the EU,<ref>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}}</ref> USA<ref>US 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](/source/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 }}</ref> and Australia and New Zealand.<ref>[Australia New Zealand Food Standards Code](/source/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}}</ref> 

== References ==
{{Reflist}}

{{DEFAULTSORT:Calcium Ascorbate}}
Category:Ascorbates
Category:Calcium compounds
Category:Vitamers
Category:Vitamin C
Category:E-number additives

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Adapted from the Wikipedia article [Calcium ascorbate](https://en.wikipedia.org/wiki/Calcium_ascorbate) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Calcium_ascorbate?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.