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604-69-3 beta-D-Glucose pentaacetate D-b-Glucose pentaacetate
Product name | beta-D-Glucose pentaacetate |
Cas number | 604-69-3 |
Molecular formula | C16H22O11 |
Molecular weight | 390.34 |
Appearance | white to beige powder |
Melting point | 129-133ºC |
Relative density | 1.3 g/cm3 |
Content |
≥99.5% |
Description |
A white, crystalline, with a sweet taste ,freely soluble in water ,sparingly soluble in alcohol |
Identification |
Positive |
Specific optical rotation |
+52.0º—+53.5º |
Acidity or alkalinity |
6g sample 0.1mol/L NaOH≤0.15ml |
Water |
Not more than 2.0% |
Arsenic |
Not more than 1ppm |
Calcium |
Not more than 200ppm |
Lead in sugars |
Not more than 0.5ppm |
Chloride |
Not more than 125ppm |
Sulphates |
Not more than 200ppm |
Appearance of solution |
Solution is clear and not more intensely colored than reference solution |
Barium |
Any opalescence in the solution is not more intense than in the standard |
Sulphites |
≤15ppmSO2 |
Foreign sugars,soluble starch,dextrins |
Qualified |
Pyrogens (TAL 10% solution): |
<0.25Eu/ml |
Sulphated ash |
0.20% |
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