| ≥1 piece |
1)purity 93%,96%,98%
2)excellent quality and best price
3)delivery promptly
4)high degree of credit
| CHEMICAL COMPOSITION:
MOLECULAR WEIGHT: CAS NO : MOLECULAR FORUMULA: | tocopheryl acetate 3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12- trimethyltridecyl) -2H-benzopyran-6-yl acetate; Vitamin E acetate 472.75 7695-91-2 C 31 H 52 O 3 |
93% SPECIFICAITON:
| Items | Result |
| Appearance | Clear yellow to greenish-yellow visous liquid |
| Density | 0.952 ~ 0.966 g/ml |
| Free Tocopherol | Less than 1.0% |
| Ash | Less than 0.1% |
| Heavy metals | Less than 10ppm |
| Lead | Less than 10ppm |
| Acid Value | Less than 2.0 |
| Assay | 93.2% By G.C analysis method |
96% SPECIFICAITON:
| ITEM | STANDARD | RESULT |
| Appearance | Clear, yellow or greenish-yellow, viscous, oily liquid | Conform |
| Assay | 96.0% - 102.0% | 97.1% |
| Identification |
|
|
| A | To conform | Conform |
| B | To conform | Conform |
| C | The retention time of principal peak in the test solution conforms to which in the reference solution. | Conform |
| Acidity | 1.0ml max | 0.04ml |
| Organic Volatile Impurities (Isobutyl Acetate) | Meets UPS31 Requirement | Conform |
| Lead | 10ppm max | Conform |
| Arsenic | 3ppm max | Conform |
| Copper | 25ppm max | Conform |
| Zinc | 25ppm max | Conform |
| CONCLUSITON | Fully comply with the standard of USP31 | |
98% SPECIFICAITON:
| Items | Standards | Results |
| Appearance | Slightly Yellow,Clear,Viscous Oil | Qualified |
| Assay by G.C | 98.0%~101.0% | 98.0% |
| Identity | Corresponds | Qualified |
| Density | 0.952-0.966 g/ml | 0.958g/ml |
| Refractive Index | 1.494-1.498 | 1.494 |
| Absorbance in ethanol | ||
| At about 284nm(max.) | 42.0-45.0 | 43.8 |
| At about 254nm(min.) | 7.5-9.0 | 8.3 |
| Acidity | max.1.0mL of 0.1N NaOH | 0.05mL |
| Sulphated Ashes | max.0.1% | 0.06% |
| Microbiological Spec | ||
| Total Plate Count | ≤1000cfu/g | Conforms |
| yeast & Mold | ≤100cfu/g | Conforms |
| E.Coli | Negative (In 10g) | Non-detected |
| Salmonella | Negative (In 25g) | Non-detected |
| Heavy Metals | max. 10ppm | Less than 5ppm |
| Lead | max. 2ppm | 0.09ppm |
| Arsenic | max. 3ppm | Less than 1ppm |
| Free Tocopherol | max. 1.0% | 1.0% |
| Organic Volatile Impurities | Meets USP Requirements | Qualified |
| ( Actual Tested Results: Comply With USP31 Standard ) | ||
Application: Vitamin E Acetate is used in medicine industry and cosmetics. In medicine, Vitamin E Acetate is mainly used to treat arteriosclerosis, coronary disease, burn, etc. Vitamin E Acetate can also be used in cosmetics to moist skin, keep water content, also has effects to protect human from ultraviolet injury.
Packing : In 50kgs/190kgs per iron drum.
| CAS No.: 7695-91-2 | MF: C31H52O3 | Place of Origin: Shanghai China (Mainland) |
| Type: Nutrition Enhancers | Brand Name: uchem |