Tocophérol / GMP certifié D alpha tocophérol

Items

Standards

Results

Appearance

Slightly Yellow, Clear, Viscous Oil

Qualified

Solubility

Practically insoluble in water, freely soluble in acetone, in ethanol and in fatty oils

Qualified

Assay by G.C

98%~101.0%

98.7%

Identity

Corresponds

Qualified

Related substances

Impurities A, C; for each impurity,≤0.5%

Impurities B:≤1.5%

Any other impurity: for each impurity,≤0.25%

Total:≤2.5%

Total impurity D and E:≤1.0%

A=0.08%,C=0.32%

B=0.44%

<0.25%

0.91%

0.01%

Optical rotation

-0.01º~+0.01º

0.0º

Refractive Index (20°C)

1.494-1.498

1.497

Absorbance in ethanol

At about 284nm(max.)

42.0-45.0

43.4

At about 254nm(min.)

7.5-9.0

8.1

Acid value

≤2.0

0.22

Sulphated Ashes

≤0.1%

0.04%

Heavy Metals

≤10ppm

<10ppm

Lead

≤2ppm

1ppm

Arsenic

≤3ppm

<1ppm

Free Tocopherol

max. 1.0%

0.70%

Density

0.952~0.966g/ml

0.959g/ml

Organic Volatile Impurities

Meets USP Requirements

Qualified

( Actual Tested Results :Comply With EP6/USP32 Standard )