{{Chembox <!-- Images --> | ImageFile = | ImageSize = | ImageAlt = <!-- Names --> | IUPACName = | OtherNames = <!-- Sections --> | Section1 = {{Chembox Identifiers | CASNo = 37342-39-5 | ChemSpiderID = 32698750 | PubChem = 56843091 | EINECS = 253-476-9 | UNII = 98139KV0X6 | StdInChI=1S/2Al.Ca.2O4Si/c;;;2*1-5(2,3)4/q2*+3;+2;2*-4 | StdInChIKey = GWWPLLOVYSCJIO-UHFFFAOYSA-N | SMILES = [O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[Al+3].[Al+3].[Ca+2] }} | Section2 = {{Chembox Properties | Formula = CaAl<sub>2</sub>Si<sub>2</sub>O<sub>8</sub> | MolarMass = | Appearance = | Density = | MeltingPt = | BoilingPt = | Solubility = }} | Section3 = {{Chembox Hazards | MainHazards = | FlashPt = | AutoignitionPt = }} }}
'''Calcium aluminosilicate''' is an aluminosilicate compound containing calcium cations, most commonly with the chemical formula CaAl<sub>2</sub>Si<sub>2</sub>O<sub>8</sub>.<ref name=pc>{{cite web |title=Compound Summary for CID 21881395 - Calcium Aluminosilicate |url=https://pubchem.ncbi.nlm.nih.gov/compound/21881395 |publisher=PubChem}}</ref> In minerals, as a feldspar, it can be found as anorthite, an end-member of the plagioclase series.
==Uses== As a food additive, it is sometimes designated '''E556'''. The FDA recognizes it as an anti-caking agent for table salt when used at levels below 2% by weight, and as an ingredient in vanilla powder.<ref name=pc/>
==References== {{reflist}}
{{DEFAULTSORT:Calcium Aluminosilicate}} Category:Aluminosilicates Category:Calcium compounds Category:E-number additives
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