Vitamin E Acetate 54-22-8 Vitamin E Acetate
Structure :
Specifications:
50% Powder
Testing Item |
Standard |
Testing Result |
Appearance |
Whitelike or light yellow powder or granular powder |
Confirm |
Identification |
Positive |
Confirm |
Loss on drying |
5.0% max |
2.0% |
Granularity |
Min 90% through 20#seive(US) |
99.9% |
Mobility |
Inclination ≤45° |
38° |
Heavy metal (Pb) As |
≤10ppm ≤2ppm |
<10ppm <2ppm |
Assay |
50% min |
51.1% |
98% Oil
Testing Item |
Standard |
Testing Result |
Appearance |
White or almost white crystalline powder or colourless crystals |
Almost white crystalline powder |
Identification |
IR characteristic reaction and test of chlorides |
Confirm |
Assay |
98.0% to 102.0% |
99.7% |
Absorbance of solution |
0.025 max |
0.020 |
PH |
2.7 to 3.4 |
3.1 |
Limit of Nitrate |
No brown ring is produced |
Confirm |
Water |
5.0% max. |
1.2% |
Residue on ignition |
0.2% max |
0.04% |
Chromatographic purity |
1.0%max |
0.1% |
Residual substances |
||
Any impurity |
0.4% max |
0.1% |
Total |
1.0% max |
0.3% |
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