Vitamin E Acetate CAS 7695-91-2
Vitamins 2025-03-11
Product name:
Vitamin E Acetate (Tocopherol Acetate) 50% CWS/S
Molecular Formula:
C31H52O3
Molecular Weight:
472.743
CAS No.:
7695-91-2
Description
Vitamin E Acetate(Tocopherol Acetate)50% CWS/S is a white or off-white free-flowing powder. It is miscible with ethanol (99.5), with acetone, with chloroform, with diethyl ether, with hexane and with fixed oils. It is freely soluble in ethanol (95), and practically insoluble in water.
It is optically inactive. It is affected by air and light.
Application
Vitamin E Acetate(Tocopherol Acetate)can be used as an antioxidant to eliminate free radicals in the body and reduce the damage of ultraviolet rays to the human body.
Specification
| Category | Parameters |
|---|---|
| Chemical Identity | |
| – IUPAC Name | (2R)-2.5.7.8-Tetramethyl-2-[(4R,8R)-4.8.12-trimethyltridecyl]chroman-6-ol acetate. |
| – CAS Number | 7695-91-2. |
| – Molecular Formula | C₃₁H₅₂O₃. |
| – Molecular Weight | 472.75 g/mol. |
| Physical Properties | |
| – Appearance | Yellow to amber-colored viscous liquid. |
| – Odor | Mild, characteristic. |
| – Solubility | Insoluble in water; soluble in ethanol, fats, and oils. |
| – Specific Gravity | ~0.95 g/mL (20°C). |
| Quality Standards | |
| – Assay (USP/EP) | ≥96% (as α-tocopherol acetate). |
| – Loss on Drying | ≤0.5%. |
| – Peroxide Value | ≤5 meq/kg. |
| – Heavy Metals | ≤10 ppm. |
| – Arsenic | ≤1 ppm. |
| – Optical Rotation | +22° to +26° (c=1. chloroform). |
| Applications | |
| – Food Additive | Antioxidant in oils, fats, processed foods. |
| – Dietary Supplements | Softgels, tablets, multivitamins. |
| – Cosmetics | Skincare formulations (anti-aging, moisturizing). |
| Storage | Cool (<25°C), dry, airtight container; protect from light. Shelf life: 24 months. |
| Regulatory Status | GRAS (FDA); USP/NF, EP, JP monographs. |
