DL-α-Tocopherol (Vitamin E) ≥96% (by HPLC), liquid, Sigma-Aldrich®

Supplier: Merck
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Synonyms: DL-alpha-TocopherolVitamin Eall-rac-α-TocopherolVitamin E Alcohol(±)-α-Tocopherol3,4-Dihydro-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-2H-benzopyran-6-ol2,5,7,8-Tetramethyl-2-(4,8,12-trimethyltridecyl)chroman-6-ol

SIALT3251-100GEA 175 GBP
SIALT3251-100G SIALT3251-500G SIALT3251-25G SIALT3251-5G
DL-α-Tocopherol (Vitamin E) ≥96% (by HPLC), liquid, Sigma-Aldrich®
DL-α-Tocopherol

(±)-α-Tocopherol has been used for preparing mycobacterial emulsions. It has also been used to study its immunomodulatory effect on influenza virus.


Tocopherols (vitamin E) comprise of a series (α, β, γ and δ) of chiral compounds that differ by the methylation degree of the phenol moiety of the chromanol ring. They function as lipid soluble antioxidants and protect cell membranes from oxidative damage. α-tocopherols are favorably absorbed by humans and their nicotinate salts can function as vitamin E supplements. Studies have also reported that vitamin E can prevent cell damage caused by pharmacologically induced epilepsy in rats.


(±)-α-Tocopherol is miscible with chloroform, ethanol, ether, acetone, and vegetable oils. However, it is practically insoluble in water. (±)-α-Tocopherol is unstable under alkaline conditions.

Formula: C₂₉H₅₀O₂
MW: 430.71 g/mol
Density: 0.950 g/cm³ (20 °C) (lit.)
Flash Pt: 113 °C
Storage Temperature: Refrigerator
MDL Number: MFCD00072051
CAS Number: 10191-41-0
EINECS: 233-466-0

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Specification Test Results

Appearance (Colour) Yellow to Very Dark Yellow and Faint, Brown to Brown
Appearance (Form) Liquid
Appearance (Turbidity) Clear
Infrared Spectrum Conforms to Structure
Purity (HPLC) ≥96%

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