MSP dihydrate98%

Molecular formula: NaH2PO4.2H2O Molecular weight: 156.01 Properties: Colourless oblique square crystal, relative density is 1.91, melting point is 60 centigrade. It is soluble in water and insoluble in ethanal. its aqueous solution shows acidity, It is easy to agglomerate in the watery air., It becomes sodium dihydrogen phosphate anhydrous at 95 centigrade, sodium pyrophosphate anhydrous at 190-204 centigrade, sodium metaphosphate at 204 –244 centigrade. Specification:(reference standard) itemsunitstandardtechnical gradefood gradeNaH2PO4.2H2O %≥98.0099.00P2O5 %≥44.6044.60Methyl orange basicity(Na2O) %≥18.8-21.019.40pH(1% solution) --4.2--4.6Chlorid (Cl-) %≤0.40.014Fe %≤0.100.05As %≤0.0050.0005Heavy metal (Pb) %≤0.0050.002Fluorid (F) %≤--0.005Sulfate (SO42-) %≤0.50.25Water insolubles %≤0.10.1