Alpha Tocopherol

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What is Alpha Tocopherol?
Alpha‑tocopherol is the most biologically active form of vitamin E, a fat‑soluble antioxidant that protects cell membranes from oxidative damage, supports immune and skin health, and is widely used in nutritional supplements and topical cosmetic formulations.

Product Name：Alpha Tocopherol
Source: Commonly found in sunflower oil, almonds, spinach, avocados, and other foods.
Active Ingredient：α‑Tocopherol (RRR‑α‑tocopherol or all‑racemic dl‑α‑tocopherol)
Specification：≥ 95 % purity; pale yellow viscous liquid or oil
Appearance：viscous yellow‑brown oil
Color：yellow to brown
Test Method：HPLC for purity; identity by chiral chromatography or spectroscopy
Solubility：soluble in ethanol, oils, acetone; insoluble in water
CAS No：59‑02‑9
Molecular formula：C₂₉H₅₀O₂
Molecular weight： 430.71 g/mol
Application：nutritional supplements, food fortification, antioxidant preservative in formulations, topical and cosmetic uses
Stability：stable under low temperature (4 °C) in dark for up to 2 years; stock solutions stable −20 °C for 1 month in solvent
Toxicity：generally regarded safe at dietary doses; high-dose supplementation (≥ 300 mg/day) may increase risk of bleeding and interact with anticoagulants or chemotherapy agents
Storage Conditions：store in tightly sealed containers, protected from light and moisture; refrigerate at 0–6 °C; avoid prolonged heat or oxygen exposure