DICALCIUM PYROPHOSPHATE
Prepared at the 24th JECFA (1980), published in FNP 17 (1980) and FNP 52 (1992). Metals and arsenic specifications revised at the 55th JECFA (2000). A group MTDI of 70 mg/kg bw, as phosphorus from all food sources, was established at the 26th JECFA (1982)
SYNONYMS Calcium pyrophosphate; INS No. 450(vi)
DEFINITION
Chemical names Dicalcium diphosphate, dicalcium pyrophosphate
C.A.S. number 7790-76-3
Chemical formula Ca2P2O7
Formula weight 254.12
Assay Not less than 96%
DESCRIPTION Fine, white, odourless powder
FUNCTIONAL USES Buffering agent, neutralizing agent, yeast food
