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SZSE：002741
Chemical Reagents
Sodium tartrate?dihydrateCOA Report
  • CAS No.：6106-24-7
  • Molecular weight：230.08
  • Molecular formula：C4H4Na2O6·2H2O
  • EC No.：212-773-3
  • HS-No：29181300
Information
Specification category：
Product No. Product name specifications
1.01462.010 Sodium tartrate?dihydrate AR500g
1.01462.020 Sodium tartrate?dihydrate CP500g
Characteristic： Appearance and properties:white tasteless powder.
pH value:～8(50 g/L H2O,25℃)
Melting point(℃):57
Bulk density:～460 kg/m3
Density:1.82 g/cm3
Thermal decomposition:～120℃ (release the liquid crystal), 255℃ (anhydrous substance)
Solubility:water 290 g/L(20℃), ethanol insoluble
Technical indicators：
Item AR CP
Assay(C4H4O6Na2?2H2O) ≥99.0% ≥98.0%
pH valuepH value(50g/Lsolution,25℃) 7.0~9.0 7.0~9.0
Clarity of solution Pass3 Pass5
Insoluble matter in water ≤0.005% ≤0.01%
Chloride(Cl) ≤0.002% ≤0.005%
Sulfate(SO4) ≤0.005% ≤0.01%
Phosphate(PO4) ≤0.002% --
Iron(Fe) ≤0.001% ≤0.005%
Heavy metals(as Pb) ≤0.0005% ≤0.001%
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