Title: d-Tocopherol
CAS Registry Number: 119-13-1
CAS Name: (2R)-3,4-Dihydro-2,8-dimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol
Additional Names: 8-methyltocol
Molecular Formula: C27H46O2
Molecular Weight: 402.65
Percent Composition: C 80.54%, H 11.52%, O 7.95%
Literature References: One of the naturally occurring forms of vitamin E, q.v. Isoln from soybean oil: Stern et al., J. Am. Chem. Soc. 69, 869 (1947). Synthesis: Green et al., J. Chem. Soc. 1959, 3374; GB 900085 (1961 to Hoffmann-La Roche).
Properties: Pale yellow, viscous oil. [a]25546 +3.4° (c = 15.5 in alc); [a]25546 +1.1° (c = 10.9 in benzene). uv max: 298 nm (E1%1cm 91.2).
Optical Rotation: [a]25546 +3.4° (c = 15.5 in alc); [a]25546 +1.1° (c = 10.9 in benzene)
Absorption maximum: uv max: 298 nm (E1%1cm 91.2) |