CAS No.:67-97-0
Molecular Formula:C27H44O
Molecular Weight: 384.64
Structural Formula:
Property:
The melting point of Vitamin D3 is 82-87℃. The alpha is 105 º (c=0.8, EtOH 25 ºC) and the water solubility of Vitamin D3 is <0.1g/L (20℃). Vitamin D3 has several forms:
Cholecalciferol, (sometimes called Calciol) which is an inactive, unhydroxylated form of Vitamin D3); Calcifediol (also called 25-Hydroxyvitamin D3), which is the form measured in the blood to assess Vitamin D status; Calcitriol (also called 1,25-Dihydroxyvitamin D3), which is the active form of Vitamin D3.
Specification:
| Items |
Specifications |
| Characteristics |
Yellowish to yellow brown granular |
| Particle size |
100% passing 850(29 more or less) um sieve |
| Content |
Vitamin D3 500,000 IU/g |
| Loss on drying |
0.5%max. |
Analysis Method of Assay: HPLC. Mobile phase, n-Hexane: n-Pentanol=996:4. Velocity, 2.0ml/min; Wavelength,254nm.
Usage:
Vitamin D3 is used as additives in feed premixes.
Packing and storage:
Vitamin D3 is packed in 25kg paper cartons lined with food grade PE bags. Vitamin D3 should be stored in cool place.
Shelf life:
Vitamin D3 is kept for 1 year in original packages under the described conditions.
Keyword:
Vitamin D3; 9,10-Secocholesta-5,7,10(19)-Trien-3Beta-Ol; Cholecalciferol,; Cholecalciferol
