83-88-5 Vitamin B2 Riboflavin
Product Name: | Vitamin B2 |
Chemical name: | Riboflavin |
CAS No.: | 83-88-5 |
Molecular formula: | C17H20N4O6 |
Appearance: | Yellow to orange crystalline powder |
Testing Item |
Standard |
Result |
Appearance |
Yellow to brownish yellow |
conforms |
Flavour |
slightly smelly, Bitter taste, easy to absorb moisture |
conforms |
Granulation/% |
90% less than 280μm |
92.2 |
Content/% |
≥80 |
82.3 |
Loss on Drying/% |
≤3.0 |
0.5 |
Ash/% |
≤5.0 |
1.3 |
Lead (Pb)/mg/kg |
≤5.0 |
<5.0 |
Arsenic(As)/mg/kg |
≤3.0 |
<3.0 |
Salmonella |
Negative |
Negative by tests in 25 grams |
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