Monosodium phosphate anhydrous
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monosodium phosphate anhydrous
sodium acid pyrophosphate
Molecular formula : NaH2PO4
Molecular weight : 119.98
Standards : Enterprise standard
Property : White powder, melting point:60oC, soluble in water, insoluble in alcohol, it is dehydrated into anhydrous compound when being heated to 95oC. under the temperature of 190-204oC, transformed into sodium acid pyrophosphate, then condensation polymerize into sodium metaphosphate under the temperature of 204-244oC.
Specification Technical grade Food grade
Appearance White powder White powder
Content ( base on NaH2PO4 ) % >=98 >=98
P2O5 content % >=58 >=58
pH value ( 1% aqueous solution )4.2-4.8 4.2-4.8
Water insoluble matters % <=0.1 <=0.1
Loss on drying % <=2.0 <=2.0
Sulfate ( base on SO4 ) %-- <=0.05
Chloride ( base on Cl ) %--, <=0.014
Fluoride ( base on F ) %-- <=0.005
Heavy metal ( base on Pb ) %-- <=0.001
Arsenic ( base on As ) %-- <=0.0003
used in the wastewater treatment(biochemical treatment) , boiler water treating agent, metal electroplating solution, metal surface purifying agent, feed additive, quality improver, molten-products additive, etc.
Packing : 25kg woven bag with plastic liner.