TRICALCIUM PHOSPHATE
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 MTDI of 70 mg/kg bw, as phosphorus from all food sources, was established at the 26th JECFA (1982)
SYNONYMS Calcium phosphate, tribasic; precipitated calcium phosphate; INS No. 341(iii)
DEFINITION Consists of a variable mixture of calcium phosphates having and approximate composition of 10CaO · 3P2O5 · H2O. The article of commerce can be specified further as to titration value.
Assay Not less than the equivalent of 90% of Ca3(PO4)2, calculated on the ignited basis
DESCRIPTION White, odourless powder which is stable in air
FUNCTIONAL USES Anticaking agent, buffer
