1. Quality Index
Item |
Index |
Appearance |
similar to white crystalline powder |
Specific optical rotation |
-108°~-120° |
Absorbance |
<0.15 |
Drying Loss |
<7% |
Assay |
>95% |
2. Use
1. Intermediate in the synthsis o vitamin D3 .
2. Additives for skin-care cosmetics.
3. Other laboratory reagent.
3. Packing
1㎏/bag, vacuumized, outer packing: paper carton, 10㎏/carton.
4. Storage
Stored in dry and cool place, avoid light, moisture, water or heat.
5. Shelf life
Shelf life is 6 months . |
