MAGNESIUM CARBONATE
Prepared at the 17th JECFA (1973), published in FNP 4 (1978) and in FNP 52 (1992). Metals and arsenic specifications revised at the 63rd JECFA
(2004). An ADI 'not limited' was established at the 9th JECFA (1965)
SYNONYMS INS No. 504(i)
DEFINITION A basic hydrated or a normal hydrated magnesium carbonate or a mixture of the two
Chemical names Magnesium carbonate
C.A.S. number 546-93-0
Assay Not less than 24.0% and not more than 26.4% of Mg
DESCRIPTION Odourless, light, white friable masses or as a bulky white powder
FUNCTIONAL USES Anticaking agent, antibleaching agent