Propertise Use
 
　　This reagent is colorless transparent or white crystallization,dissolve in water,does not dissolve in the ethanol,disslove it in the chloroform a little (have another name called-),used in the food additive,acidity buffer,metal detergent,soft water pharmaceutical,the pigment precipitating agent.etc
 
Physicalproperfies
 
Formula 　　　　NaH2PO4.2H2O
Weight 　　　　156.01
Density　　　　1.91
Point　　　　　60。C
1% of the aqueous solution hydrogen ion index is4.4
 

Specification
GB/T 1267-1999)
 
NAME (%) (%)
　　NaH2PO4.2H2O 99.0 98.0
　　PH 4.2-4.6 4.2-4.6
　　Putty degree and test Qualified Qualified
　　Water insoluble matter 0.01 0.02
　　(Cl) 0.005 0.01
　　(SO4) 0.005 0.01
　　(NO3) 0.001 0.002
　　(NH4) 0.002 ---
　　(K) 0.02 0.1
　　(Fe) 0.001 0.005
　　(As) 0.0002 0.0005
　　Heavy metal(Pb) 0.001 0.005
　　Ammonia and precipitate 0.01 0.02
 

Package and storage
 
   
  ※ 25kg/in bag　　500g/bottle
  ※ it should be stored in cool and ventilated place and kept away from sunlight and rain.