sodium phosphate monobasic (MSP) food grade with reasonable and competitive price Sodium Phosphate Monobasic (MSP)Molecular Formula: NaH2PO4CAS No.: 7558-80-7Specification: ItemValueUnitIndexPurity 98%MinWater insoluble matter0.2%MaxPH value4.2-4.8--Arsenic (As)0.0003%MaxHeavy metal (as Pb)0.002%MaxFluoride (as F)0.002%MaxPacking: 25kg, 50kg, 1000kg PP woven bag with PE liner. food additive