China USP Food Grade100, 000iu/G Cholecalciferol Powder Vitamin D3, Find details about China 8050-67-7, Vitamin D3 from USP Food Grade100, 000iu/G Cholecalciferol Powder Vitamin D3
Product name: | Vitamin D3 Powder |
Synonyms: | 9,10-Secocholesta-5,7,10(19)-trien-3beta-ol; Cholecalciferol |
Molecular Formula: | C27H44O |
Molecular Weight: | 384.64 |
CAS#: | 67-97-0 (8050-67-7;8024-19-9) |
Melting point: | 82-87 ºC |
Alpha: | 105 º (c=0.8, EtOH 25 ºC) |
Water solubility: | <0.1 g/L (20 ºC) |
Appearance: | White, free-flowing powder |
Fineness: | 100% through 40 mesh 90% through 60 mesh 45% through 100 mesh |
Package: | 25kg/drum |
Storage: | Store in the original container, protected from light, in a dry, cool place |
Shelf life: | 24 Month |
Testing Item | Standard | Result |
Vitamin D3 Content | ≥500,000IU/g | 506,800IU/g |
Appearance | White or almost white crystals | Complies |
Identification | EP/USP | Positive |
Specific optical rotation | +105.0°- +112.0° | +109.6° |
Loss on drying | 5.0% max | 4.1% |
As | 1ppm max | 0.1ppm |
Heavy metals(pb) | 20ppm max | 3ppm |
Granularity | (1)100%go through the sieve of 0.85mm (US standard mesh sieve No.20) (2)More than 85% go through the sieve of 0.425mm (US standard mesh sieve No.40) | (1) 100% (2) 97.6% |