Vitamin E D-Alpha-Tocopherol
What is Vitamin E D-Alpha-Tocopherol?
Alpha-tocopherol (CAS 59-02-9), also supplied under E307, is the most biologically active form of vitamin E.
Where is Vitamin E D-Alpha-Tocopherol used?
- Food and nutraceutical manufacturing: stabilizer of oils and fats
- Pharmaceutical formulations: active ingredient and functional excipient in soft gel capsules, emulsions, and parenteral preparations, protecting lipid-based drug delivery systems
- Personal care: stabilizer of emollients and carrier oils in creams, serums, and suncare products, supporting UV-induced oxidation control
- Plastics and polymer processing: non-phenolic antioxidant stabilizer for polyolefins and elastomers during high-temperature compounding
- It prevents oxidative degradation in lipid-containing systems, extending shelf life and protecting sensitive ingredients from rancidity and free radical damage.
Good to know: Natural grades command a premium in food and pharma procurement. Food-grade purity is typically specified at 96% or higher.
Commercial specifications
- Natural and synthetic forms
- USP, Ph. Eur., and FCC grades
- Bulk supply in drums or IBCs; concentrated mixed tocopherol blends available
Other Names (Synonyms)
alpha-tocopherol|α-Tocopherol|Eprolin|E-Vimin|d-α-tocopherol|d-alpha-tocopherol|Aquasol E|5,7,8-Trimethyltocol|(R,R,R)-α-tocopherol|E307