SZSE:002741
Chemical Reagents
Sodium potassium tartrate?tetrahydrateCOA Report
  • CAS No.:6381-59-5
  • Molecular weight:282.23
  • Molecular formula:C4H4KNaO6·4H2O
  • EC No.:205-698-2
  • HS-No:29181300
Information
Specification category:
Product No. Product name specifications
1.01560.010 Sodium potassium tartrate?tetrahydrate AR500g
1.01560.020 Sodium potassium tartrate?tetrahydrate CP500g
1.01560.030 Sodium potassium tartrate?tetrahydrate AR25kg/drum
1.01560.040 Sodium potassium tartrate?tetrahydrate CP25kg/drum
Characteristic: Appearance and properties:colourless to white tasteless solid.
pH value:6.5-8.5(50 g/L H2O,25℃)
Melting point(℃):70-80
   Bulk density(kg/m3):~1000
Solubility: water(20℃) 630 g/L
Technical indicators:
Item AR CP
Assay(C4H4O6KNa?4H2O) ≥99.0% ≥98.5%
pH value(50g/L solution,25℃) 6.5~8.5 6.5~8.5
Clarity of solution pass3 pass5
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.001% ≤0.005%
Sulfate(SO4) ≤0.005% ≤0.03%
Total nitrogen(N) ≤0.005% ≤0.01%
Phosphate(as PO4) ≤0.001% --
Silicate(as SiO3) ≤0.005% --
Calcium(Ca) ≤0.002% ≤0.005%
Iron(Fe) ≤0.0005% ≤0.002%
Copper(Cu) ≤0.0005% ≤0.001%
Lead(Pb) ≤0.0005% ≤0.001%
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