Sodium aluminosilicate

Sodium aluminosilicate refers to compounds which contain sodium, aluminium, silicon and oxygen, and which may also contain water. These include synthetic amorphous sodium aluminosilicate, a few naturally occurring minerals and synthetic zeolites. Synthetic amorphous sodium aluminosilicate is widely used as a food additive, E 554.

Sodium aluminosilicate
Names
IUPAC name
aluminum sodium dioxido(oxo)silane
Other names
Aluminosilicic acid, aluminum sodium silicate
Identifiers
3D model (JSmol)
ECHA InfoCard 100.014.259
E number E554 (acidity regulators, ...)
UNII
  • InChI=1S/Al.Na.2O3Si/c;;2*1-4(2)3/q+3;+1;2*-2 Y
    Key: URGAHOPLAPQHLN-UHFFFAOYSA-N Y
  • [O-] [Si](=O)[O-].[O-] [Si](=O)[O-].[Na+].[Al+3]
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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