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 | / |