Calcium Dihydrogen Diphosphate INS No. 450 (vii)

New specifications prepared at the 57th JECFA (2001) and published in FNP 52 Add 9 (2001). No ADI, but a group MTDI of 70 mg/kg bw, expressed as
phosphorus from all food sources, was established at the 26th JECFA (1982).
SYNONYMS Acid calcium pyrophosphate, monocalcium dihydrogen pyrophosphate;
INS No. 450 (vii)
DEFINITION
Chemical names Monocalcium dihydrogen diphosphate
C.A.S. number 14866-19-4
Chemical formula CaH2P2O7
Formula weight 215.97
Assay Not more than 64% expressed as P2 O5 on dried basis.
DESCRIPTION White crystals or powder
FUNCTIONAL USES Stabilizer, leavening agent, emulsifier, nutrient