SODIUM ALUMINOSILICATE
Prepared at the 17th JECFA (1973), published in FNP 4 (1978) and in FNP 52 (1992). Metals and arsenic specifications revised at the 57th JECFA (2001). A group PTWI of 1 mg/kg bw for aluminium and its salts was established at the 67th JECFA (2006).
SYNONYMS Sodium silicoaluminate; INS No. 554
DEFINITION A series of hydrated sodium aluminium silicates. The article of commerce may be specified further as to silicon dioxide, aluminium oxide, and sodium oxide content, loss on drying, loss on ignition and pH of a slurry in water.
Chemical names Sodium aluminosilicate
DESCRIPTION Odourless, fine, white amorphous powder, or as beads.
FUNCTIONAL USES Anticaking agent
