CALCIUM ALUMINIUM SILICATE
Prepared at the 57th JECFA (2001) and published in the Combined Compendium of Food Additive Specifications, FAO JECFA Monographs 1
(2005). A PTWI of 2 mg/kg bw for aluminium was established at the 74th JECFA (2011).
SYNONYMS Aluminium calcium silicate; calcium aluminosilicate; calcium silicoaluminate; sodium calcium silicoaluminate; INS No. 556
DEFINITION
Chemical names Calcium aluminosilicate
Assay Not less than 44% and not more than 50% of silicon dioxide (SiO2) Not less than 3% and not more than 5% of aluminium oxide (Al2O3)
Not less than 32% and not more than 38% of calcium oxide (CaO)
Not less than 0.5% and not more than 4% of sodium oxide (Na2O)
DESCRIPTION Fine, white, free-flowing powder
FUNCTIONAL USES Anticaking agent
