1.Main specifications
|
Items
|
Specifications |
|
Description |
White crystalline powder |
|
Solubility |
Corresponding |
|
Identification |
Positive |
|
Melting Point |
82°C-87°C |
| Related substances |
Corresponding |
| Light absorption |
465-495 |
| Specific optical rotation |
+105°-112° |
| Assay |
97.0-103.0% |
|
38,800,000-41,200,000 IU/G |
| Conclusion |
Confirm to USP24,Bp98.EPIV | |
2.Analysis method of Assay
HPLC.Mobile phase,acetonitrile:islpropanol:water=90:7:3.Velocity,1.5-2.5ml/min.Wavelength,265nm.
3.Usage
a.In pharmaceutical formulations for Vitamin D remedy.
b.As additives for milk,dairy,foods and beverage as Vitamin D supplement to promote the absorption of calcium and phosphorus.
4.Packing
Aluminum bags lined with food grade PE bags,then packaged into Aluminum Cans and in paper cartons.The package size can be made as per customers'requirement. 100G/BAG,10BAGS/PLASTIC DRUM.
5.Stability and storage
Stored under dry,cool and dark condition and avoid moisture,water or heat.The shelf life is 24 months |
