Appearance

clear viscous oil

Color

colorless, almost colorless, slightly yellow, slightly greenish-yellow

Optical rotation

0.01 - +0.01°

Heavy metals (total)

≤10ppm

Lead

≤2ppm

Arsenic

≤1ppm

Mercury

≤0.1ppm

Cadmium

≤0.5ppm

Pyridine

≤80ppm

Toluene

≤80ppm

Acidity

≤1.0 mL 0.10N NaOH

impurity A

≤0.5%

Impurity B

≤0.6%

Impurity C (free Tocopherol)

≤0.5%

Sum of impurities D + E

≤1.0%

Any other impurity 1(RRT:0.958135)

≤0.25%

Any other impurity 2(RRT:1.04233)

≤0.25%