PENTAPOTASSIUM TRIPHOSPHATE
Prepared at the 29th JECFA (1985), published in FNP 34 (1986) and in FNP 52 (1992). Metals and arsenic specifications revised at the 63rd JECFA (2004). A group MTDI of 70 mg/kg bw, as phosphorus from all food sources, was established at the 26th JECFA (1982) SYNONYMS Pentapotassium tripolyphosphate, potassium triphosphate, potassium tripolyphosphate; INS No. 451(ii)
DEFINITION
Chemical names Pentapotassium triphosphate, pentapotassium tripolyphosphate
C.A.S. number 13845-36-8
Chemical formula K5O10P3
Formula weight 448.42
Assay Not less than 85% of K5O10P3 on the dried basis, the remainder being principally other potassium phosphates
DESCRIPTION Hygroscopic white granules or powder
FUNCTIONAL USES Texturizer
