Calcium malate

Calcium malate is a compound with formula Ca(C₂H₄O(COO)₂). It is the calcium salt of malic acid. As a food additive, it has the E number E352.

Calcium malate

Names
IUPAC name Calcium 2-hydroxybutanedioate
Identifiers
CAS Number	16426-50-9 Y
3D model (JSmol)	Interactive image
ChemSpider	146673 Y
ECHA InfoCard	100.037.710
E number	E352 (antioxidants, ...)
PubChem CID	167659
UNII	D48OP746DW Y
CompTox Dashboard (EPA)	DTXSID30936929
InChI InChI=1S/C4H6O5.Ca/c5-2(4(8)9)1-3(6)7;/h2,5H,1H2,(H,6,7)(H,8,9);/q;+2/p-2 Y Key: OLOZVPHKXALCRI-UHFFFAOYSA-L Y InChI=1/C4H6O5.Ca/c5-2(4(8)9)1-3(6)7;/h2,5H,1H2,(H,6,7)(H,8,9);/q;+2/p-2 Key: OLOZVPHKXALCRI-NUQVWONBAL
SMILES [Ca+2].[O-]C(=O)CC(O)C([O-])=O
Properties
Chemical formula	C4H4CaO5
Molar mass	172.15 g/mol
Solubility in water	slightly soluble[1]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Calcium malate occurs naturally in maple sap, but is filtered out in the production of maple syrup.

It is related to, but different from, calcium citrate malate.^[2]