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SZSE:002741
Chemical Reagents
Sodium hydrogen carbonate COA Report
  • CAS No.:144-55-8
  • Molecular weight:84.00
  • Molecular formula:NaHCO3
  • EC No.:205-633-8
  • HS-No:28263000
Information
Specification category:
Product No. Product name specifications
1.01398.020 Sodium hydrogen carbonate  AR500g
1.01398.030 Sodium hydrogen carbonate  AR25kg/drum
1.01398.040 Sodium hydrogen carbonate  CP500g
1.01398.050 Sodium hydrogen carbonate  CP25kg/drum
1.01398.060 Sodium hydrogen carbonate  (M02030X) Spec25kg/Sack,Colgate
Characteristic: Appearance and properties: white、salty taste、powder or crystalline.
Relative density (water=1): 2.16
Melting point(℃): 270
Concentration: sterling
Solubility: Soluble in water,Dissolved in ethanol etc.
Technical indicators:
Item AR CP
Assay(NaHCO3) ≥99.5% ≥99.0%
pH-value(50g/L solution,25℃) ≤8.6 ≤8.6 Clarity of solution Pass4 Pass6
Insoluble matter in water ≤0.01% ≤0.02%
Chloride(Cl) ≤0.002% ≤0.005%
Sulfate(SO4) ≤0.005% ≤0.01%
Total nitrogen(N) ≤0.001% ≤0.002%
Phosphate and silicate(as SiO2) ≤0.005% ≤0.01%
Magnesium(Mg) ≤0.003% ≤0.005%
Potassium(K) ≤0.01% ≤0.02%
Calcium(Ca) ≤0.007% ≤0.01%
Iron(Fe) ≤0.001% ≤0.002%
Heavy metals(as Pb) ≤0.001% ≤0.002%
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