β-Tocopherol

For Research Use Only.
Category
Phenols
Cat.No.
NP4624
CAS
148-03-8
Product Name
β-Tocopherol
Structure

Product Details

Description
β-Tocopherol is a natural phenolic compound found in several plants. β-Tocopherol biologically actives less than α-Tocopherol. An impurity of vitamin E.
Synonyms
2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-, (2R)-rel-; 2H-1-Benzopyran-6-ol, 3,4-dihydro-2,5,8-trimethyl-2-(4,8,12-trimethyltridecyl)-, [2R*(4R*,8R*)]-; 6-Chromanol, 2,5,8-trimethyl-2-(4,8,12-trimethyltridecyl)-; rel-(2R)-3,4-Dihydro-2,5,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-2H-1-benzopyran-6-ol; 2,5,8-Trimethyl-2-(4,8,12-trimethyltridecyl)-6-chromanol; 5,8-Dimethyltocol; DL-β-Tocopherol; Cumotocopherol; dl-β-Tocopherol; Neotocopherol; p-Xylotocopherol; b-Tocopherol (Racemic Mixture)
IUPAC Name
rel-(2R)-2,5,8-trimethyl-2-[(4R,8R)-4,8,12-trimethyltridecyl]-3,4-dihydrochromen-6-ol
Molecular Weight
416.68
Molecular Formula
C28H48O2
Canonical SMILES
OC=1C=C(C=2OC(C)(CCC2C1C)CCCC(C)CCCC(C)CCCC(C)C)C
InChI
InChI=1S/C28H48O2/c1-20(2)11-8-12-21(3)13-9-14-22(4)15-10-17-28(7)18-16-25-24(6)26(29)19-23(5)27(25)30-28/h19-22,29H,8-18H2,1-7H3/t21-,22-,28-/s2
InChIKey
WGVKWNUPNGFDFJ-JMNLKBODNA-N
Boiling Point
205°C
Melting Point
<25°C
Flash Point
-23 °C
Purity
>96%
Density
0.933±0.06 g/cm3
Solubility
Soluble in Chloroform (Slightly), Hexane (Slightly), Methanol (Slightly)
Appearance
Colourless to Beige Oily Matter
Application
Vitamins
Storage
Store at -20°C
Color
Colourless to Yellow
EINECS
205-708-5
Form
Oil
Hazard Class
F,Xn,N
MDL
MFCD00036171
pKa
11.05±0.40(Predicted)
Refractive Index
1.4480 (estimate)
RIDADR
UN1208 3/PG 2
Risk Statements
11-38-48/20-51/53-62-67-65
Safety Statements
36/37-61-62-16
Uses
One of the naturally occurring forms of Vitamin E. Is biologically less active than α-Tocopherol. This is the racemic mixture of all stereoisomers.
WGK Germany
3
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