SZSE：002741
Chemical Reagents
Sodium dihydrogen phosphate?dihydrateCOA Report
  • CAS No.：13472-35-0
  • Molecular weight：156.01
  • Molecular formula：NaH2PO4·2H2O
  • EC No.：231-449-2
  • HS-No：28352200
Information
Specification category：
Product No. Product name specifications
1.01503.020 Sodium dihydrogen phosphate?dihydrate AR500g
1.01503.030 Sodium dihydrogen phosphate?dihydrate AR25kg/Sack
1.01503.040 Sodium dihydrogen phosphate?dihydrate CP500g
1.01503.050 Sodium dihydrogen phosphate?dihydrate CP25kg/Sack
1.01503.060 Sodium dihydrogen phosphate?dihydrate AR25kg/drum
1.01503.090 Sodium dihydrogen phosphate?dihydrate AR500g
Characteristic： Appearance and properties: colourless to white crystal or crystallinity powder.
pH value: 4.5(12 g/L H2O,25℃)
Relative density?(g/cm3) (water=1): 1.915
Melting point(℃): 60
Concentration: sterling
Solubility: Soluble in water at 25℃ to 12.14%. Dissolved?in ethanol.
Technical indicators：
Item AR CP
Assay(NaH2PO4?2H2O) ≥99.0% ≥98.0%
pH valuepH value(50g/L solution,25℃) 4.2~4.6 4.2~4.6
Clarity of solution Pass3 Pass5
Insoluble matter in water ≤0.01% ≤0.02%
Chloride(Cl) ≤0.005% ≤0.01%
Sulfate(SO4) ≤0.005% ≤0.01%
Nitrate(NO3) ≤0.001% ≤0.002%
Ammonium NH4) ≤0.002% --
Potassium(K) ≤0.02% ≤0.1%
Iron(Fe) ≤0.001% ≤0.005%
Arsenic(As) ≤0.0002% ≤0.0005%
Heavy metals(as Pb) ≤0.001% ≤0.005%
Substance deposit in ammonium ≤0.01% ≤0.02%
Related Products

Copyright ? Guangdong?Guanghua?Sci-Tech?Co.,?Ltd. GuangDong ICP No. 14033791-1