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Molecular formula: C12H22O11
Molecular weight: 342.29
CAS NO:57-50-1
Properties: This product is white crystalline powder. It is soluble in water, slightly soluble in alcohol, insoluble in ether and chloroform.
Uses: This product is mainly used in preparing analytical reagent and biological medium. In pharmaceutical industry, it can be used as excipient of preservative and antioxidant.
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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Specific rotation[α]D20
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+66.2°—+66.7°
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+66.2°—+66.7°
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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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≤0.002
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≤0.004
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Drying loss
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≤0.03
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≤0.06
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Ignition residue (Sulfate)
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≤0.01
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≤0.02
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Acidity (H+),mmol/100g
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≤0.08
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≤0.12
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Chloride(Cl) /%
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≤0.0005
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≤0.002
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Sulfate(SO4) /%
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≤0.002
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≤0.008
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Iron (Fe) /%
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≤0.00005
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≤0.0002
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Heavy metal(Pb) /%
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≤0.0001
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≤0.0003
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Reducing sugar
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Qualified
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Qualified
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Packing: Woven bag, kraft bag or fiber drum lined with plastic, net weight is 25kg.
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