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Product Name |
Vitamin D2 |
||
Formula |
C28H44O |
Molecular Weight |
396.65 |
CAS NO. |
50-14-6 |
Quantity |
500KG |
Items |
Specification |
Results |
Appearance |
white to yellowish powder |
Conforms |
Assay |
99% | 99.12% |
CONCLUSION |
The result conform with standard |
Melting point 114-118 ° C (lit.)
Specific rotation 82 º (c=3, nacetone 25 º C)
Boiling point 460.3 ° C (roughestimate)
Density 0.9784 (roughestimate)
Vapor pressure 7xl0-7Pa (20 ° C), est
Refractive index 1.5100 (estimated)
Flash point 14 ° C
Storage conditions -20 ° C
Solubility H2O: 200mg/mL, cleanohazy
Form Powder
Acidity coefficient (pKa) 14.74 ± 0.20 (Predicted)
White to yellow wish
Opticalactivity[ α] 20/D+105±2°,c=4%inethanol
Solubility in water, water, methanol, dimethyl formamide, and dimethyl sulfoxide
Synthesis of organic intermediates.