Vitamin E
Vitamins 2025-03-11
CAS No.: 50-24-7
Product name:Vitamin E
Description
It is a form of alpha tocopherol (C29H50O2). It includes the following: d- or dl-alpha tocopherol (C29H50O2);d- or dl-alpha tocopheryl acetate (C31H52O3); d- or dl-alpha tocopheryl acid succinate (C33H54O5).
Application
It is used for habitual abortion, threatened abortion, infertility, menopausal disorders, and progressive malnutrition. It can prevent coronary heart disease, arteriosclerosis, thrombosis and prevent aging.
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 | 10191-41-0. |
| – 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. |


