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SZSE：002741
Chemical Reagents
Disodium hydrogen phosphate?dodecahydrateCOA Report
  • CAS No.：10039-32-4
  • Molecular weight：358.14
  • Molecular formula：Na2HPO4·12H2O
  • EC No.：231-448-7
  • HS-No：28352200
Information
Specification category：
Product No. Product name specifications
1.01504.040 Disodium hydrogen phosphate?dodecahydrate AR500g
1.01504.050 Disodium hydrogen phosphate?dodecahydrate AR25kg/drum
1.01504.060 Disodium hydrogen phosphate?dodecahydrate CP500g
1.01504.070 Disodium hydrogen phosphate?dodecahydrate CP25kg/drum
1.01504.090 Disodium hydrogen phosphate?dodecahydrate CP25kg/drum
1.01504.100 Disodium hydrogen phosphate?dodecahydrate Spec25㎏/drum
1.01504.110 Disodium hydrogen phosphate?dodecahydrate CP25kg/Sack
1.01504.120 Disodium hydrogen phosphate?dodecahydrate AR25kg/Sack
Characteristic： Appearance and properties: Colorless translucent orwhite grain or powder.
pH value: ～9.0-9.4(50 g/L H2O,20℃)
Relative density?(g/cm3)(water=1)(20℃): 1.52
Melting point(℃): 35
Concentration: sterling
Solubility: Soluble in water. Dissolved?in ethanol.
Technical indicators：
Item AR CP
Assay ≥99.0% ≥98.0%
pH valuepH value(50g/L,25℃) 9.1～9.4 9.1～9.4
Clarity of solution Pass3 Pass4
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.001% ≤0.003%
Sulfate(SO4) ≤0.005% ≤0.03%
Total nitrogen(N) ≤0.002% ≤0.002%
Potassium(K) ≤0.01% ≤0.01%
Iron(Fe) ≤0.0005% ≤0.005%
Arsenic(As) ≤0.0005% ≤0.005%
Heavy metals(as Pb) ≤0.0005%≤0.005%
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