Product Name:Vitamin D2
CAS NO.:50-14-6
MF:C28H44O
MW:396.65
Melting Point:114-118 °C(lit.)
Boiling Point:82 º (c=3, in acetone 25 ºC)
Index of Refraction:1.5100 (estimate)
Application:Dietary supplement
Test items | Standards |
Appearance | White to off-white powder |
Absorption coefficient |
460~ 490 |
Identification | Show a positive response |
The retention time of the main peak of the test solution is consistent with that of the main peak of the control | |
The infrared absorption pattern is consistent with that of the control | |
Inspections | Ergosterol: No turbidity precipitation shall occur |
Substances of interest: the area of a single impurity peak shall no more than 0.5% of the main peak area of the control solution, the sum of the peak areas of the impurities shall no more than 1.0% of the main peak area of the control solution | |
Purity |
≥98.0% |
Assay | 97.0% to 103.0% |
Packaging
The standard packaging fthis product is 1kg/bag
Other packaging sizes are available upon request.