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Calcium aluminosilicate

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Calcium aluminosilicate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.048.597 Edit this at Wikidata
EC Number
  • 253-476-9
E number E556 (acidity regulators, ...)
PubChem CID
UNII
InChI
  • InChI=1S/2Al.Ca.2O4Si/c;;;2*1-5(2,3)4/q2*+3;+2;2*-4Key: GWWPLLOVYSCJIO-UHFFFAOYSA-N
SMILES
  • ()().()()...
Properties
Chemical formula CaAl2Si2O8
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Calcium aluminosilicate, an aluminosilicate compound with calcium cations, most typically has formula CaAl2Si2O8. 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. It is known to the FDA as, at under 2% by weight, an anti-caking agent for table salt, and as an ingredient in vanilla powder.

References

  1. ^ "Compound Summary for CID 21881395 - Calcium Aluminosilicate". PubChem.
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