AMMONIUM DIHYDROGEN PHOSPHATE
Prepared at the 27th JECFA (1983), published in FNP 28 (1983) and in FNP 52 (1992). Metals and arsenic specifications revised at the 59th JECFA (2002) A group MTDI of 70 mg/kg bw, as phosphorus from all food sources, was established at the 27th JECFA (1983) SYNONYMS Monobasic ammonium phosphate, monoammonium phosphate, acid ammonium phosphate, primary ammonium phosphate; INS No. 342(i)
DEFINITION
Chemical names Ammonium dihydrogen phosphate, ammonium dihydrogen tetraoxophosphate, monoammonium monophosphate, ammonium dihydrogen orthophosphate
C.A.S. number 7722-76-1
Chemical formula NH4H2PO4
Formula weight 115.03
Assay Not less than 96% and not more than 102%
DESCRIPTION Colourless or white crystals, a white crystalline powder or granules
FUNCTIONAL USES Buffering agent, dough conditioner, leavening agent
