Items |
Specification |
Results |
Appearance |
White or almost white, crystalline
powder or crystals |
Conforms |
Solubility |
very soluble in water, sparingly
soluble in ethanol. |
Conforms |
Identification |
A. Melting range 92℃-96℃ |
93.1℃ |
Infrared absorption spectroscopy |
Comparison with a reference
standard e.g. EP or USP. |
Conforms |
Xylitol Assay (dry basis) |
98.0%-101.0% |
99.73% |
pH (10% w/v aqueous solution) |
5.0-7.0 |
6.01 |
Melting point |
92.0℃~96.0℃ |
93.1℃ |
Reducing sugar |
≤0.2% |
0.022% |
Water |
≤1.0% |
0.10% |
Other polyhydric alcohols |
≤1.0% |
0.05% |
Lead |
≤0.5 mg/kg |
0.08mg/kg |
Nickel |
≤1 mg/kg |
0.09mg/kg |
Arsenic |
≤0.5mg/kg |
0.07mg/kg |
Total count |
≤100 CFU/g |
<10CFU/g |
Coliform |
<3MPN/g |
Conforms |
Yeast & Mold |
≤100 CFU/g |
<10CFU/g |