Product Name : Mono Ammonium Phosphate EP Formula : NH4 H2 PO4 CAS Nos. : 7722-76-1 Molecular Weight ; 115 Appearance : White Crystals Assay : 98 % (+/- 1) pH : 4 - 4.5 P2O5 Content : Min 61 Chloride : NMT 0.005 % Sulphates : NMT 0.05 % Heavy Metals ( as PB ) : NMT 0.005 % Fe ; NMT 0.005 % Other Names : Mono Ammonium Phosphate (MAP)