Vitamin E acetate D-alpha Tocopheryl Acetate oil D-alpha tocopherol Acetate
Introduction:
Vitamin E Acetate is a highly efficient and stable natural vitamin E by derivation of d - alpha tocopherol and acetic anhydride . and the effect of the nutritional fortification, miscibility with grease.
It has the effects of antioxidant and double nutritional fortification and also miscibility with oils.
Specification:
TEM |
SPECIFICATIONS |
RESULTS |
Appearance |
Slightly yellow, clear, viscous oil |
Qualified |
Assay by G.C |
98.0—102.0% |
99.2% |
Identity |
Corresponds |
Qualified |
Infrared spectrum |
Meets EP requirement |
Qualified |
Option rotation |
-0.01°~ +0.01° |
Qualified |
Density(20°C) |
0.952—0.966g/ml |
0.955g/ml |
Refractive index(20°C) |
1.494—1.498 |
1.496 |
Related substances |
Impurities A, C: for each impurity ≤ 0.5% Impurity B ≤ 1.5% Sum of impurity D+E ≤ 1.0% Any other impurities: Meet EP requirements Total impurities: ≤ 2.5% |
Qualified |
Absorbance in ethanol: At about 284nm (max) At about 254nm (min) |
42.0—45.0 7.5—9.0 |
44.0 8.8 |
Acidity |
Max.1.0ml of 0.1 N NaOH |
0.04 ml |
Sulphated ashes |
≤0.1% |
0.03% |
Heavy metals |
≤10ppm |
<5ppm |
Lead |
≤2ppm |
0.04ppm |
Arsenic |
≤3ppm |
<1ppm |
Free tocopheryl |
≤1.0% |
0.35% |
Organic volatile impurities |
Meets USP requirements |
Qualified |
Conclusion: The product complies with USP/BP/EP/FCC standard |
Application:
As fortification and antioxidant of oils and fats, and for liquid pharmaceutical preparations such as soft capsules.
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