PHOSPHORIC ACID
Prepared at the 44th JECFA (1995), published in FNP 52 Add 3 (1995) superseding specifications prepared at the 17th JECFA (1973), published in
FNP 4 (1978) and in FNP 52 (1992). Metals and arsenic specifications revised at the 59th JECFA (2002). No ADI was established, but a group MTDI of 70 mg/kg bw, expressed as phosphorus from all food sources, was established at the 26th JECFA (1982).
SYNONYMS Orthophosphoric acid, INS No. 338
DEFINITION
Chemical names Phosphoric acid, orthophosphoric acid
C.A.S. number 7664-38-20
Chemical formula H3PO4
Formula weight 98.00
Assay Not less than 75%, and not less than the minimum or within the range of percent claimed by the vendor
DESCRIPTION Clear, colourless, odourless, viscous liquid
FUNCTIONAL USES Acidulant, sequestrant, synergist for antioxidants
