MAP monoammonium phosphate (7722-76-1) Used as fire-extinguishing agent for fabric, woods, paper. used as food additives. ... MAP monoammonium phosphate (7722-76-1) monoammonium phosphate:Chemical ... % max------0.005PH4.4-4.84.4-4.8ApplicationUsed as fire-extinguishing agent for fabric, woods, paper. For food grade, it ...