Calcium aluminosilicate

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Calcium aluminosilicate
Identifiers
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3D model (JSmol)
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  • InChI=1S/2Al.Ca.2O4Si/c;;;2*1-5(2,3)4/q2*+3;+2;2*-4
    Key: GWWPLLOVYSCJIO-UHFFFAOYSA-N
  • [O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-].[Al+3].[Al+3].[Ca+2]
Properties
CaAl2Si2O8
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

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Calcium aluminosilicate is an aluminosilicate compound containing calcium cations, most commonly with the chemical formula CaAl2Si2O8.[1] 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.[1]

References

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