CAS number： 7695-91-2
Molecular formula： C31H52O3
molecular weight： 472.7428
Chemical structure：
| Name of Product: | Vitamin E Acetate Powder 50% Pharma Grade | |
| Shelf Life: | 3 years | |
| Test Items | Specification | Result |
| Appearance | White to almost white free-flowing powder | Almost white free-flowing powder |
| Identification | ||
| Coloration reaction | Positive | Positive |
| Optical rotation | To conform | Conform |
| GC | The reaction time of the principal peak conforms to which in the reference solution | Conform |
| TLC | The principal spot in the chromatogram obtained with the test solution is similar in position and size to the principal spot in the chromatogram obtained with the reference solution | Conform |
| Loss on drying | ≤5.0% | 2.3% |
| Heavy Metals (as Pb) | ≤0.001% | ＜0.001% |
| Aresenic (as As) | ≤0.0003% | ＜0.0003% |
| Assay (GC) | ≥50.0% | 52.4% |
| Microbial test | ||
| Total aerobic microbial count | ≤1000cfu/g | ＜10cfu/g |
| Total moulds and yeasts count | ≤100cfu/g | ＜10cfu/g |
| Enterobacteria | ≤10cfu/g | ＜10cfu/g |
| Salmonella | n.d./25g | / |
| Escherichia coli | n.d./10g | / |
| Staphylococcus aureus | n.d./10g | / |
| Pseudomonas aeruginosa | n.d./10g | / |
