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Molecular formula: NaHCO3
Molecular weight: 84.01
Properties: White crystalline powder. Relative density is 2.20. It breaks up at about 50℃ and turns into sodium carbonate at 100℃. Soluble in water and slightly soluble in ethyl alcohol.
Uses: As analytical reagent and buffer agent. It can be used in organic synthesis and pharmaceutical industry.
Standard: The maximum content of impurities is in percentage content
| Standard/item |
Analytical pure-AR
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Chemical pure-CP
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Assay
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≥99.8
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≥99.8
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Clarity test
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Qualified
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Qualified
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Water insoluble matter
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≤0.01
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≤0.02
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Chloride and chlorate (Cl)
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≤0.002
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≤0.005
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Sulfur compound (SO4)
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≤0.005
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≤0.01
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Nitrogen compound (N)
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≤0.001
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≤0.002
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Phosphate (PO4)
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≤0.002
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≤0.005
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Silicate (SiO3)
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≤0.005
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≤0.01
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Magnesium (Mg)
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≤0.003
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≤0.005
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Potassium (K)
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≤0.01
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≤0.02
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Aluminium (Al)
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≤0.01
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≤0.02
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Calcium (Ca)
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≤0.007
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≤0.01
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Iron (Fe)
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≤0.001
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≤0.002
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Heavy metal (Pb)
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≤0.001
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≤0.002
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Packing: Woven bag, kraft bag or fiber drum lined with plastic, net weight is 25kg.
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