Hangzhou Asure Biotech Co.,Ltd

ITEM

SPECIFICATIONS

RESULTS

Appearance

Slightly yellow, clear, viscous oil

Qualified

Assay by G.C

98.0—102.0%

98.8%

Identity

Corresponds

Qualified

Infrared spectrum

Meets EP requirement

Qualified

Option rotation

-0.01°~ +0.01°

Qualified

Density(20℃)

0.952—0.966g/ml

0.955g/ml

Refractive index(20℃)

1.494—1.498

1.496

Related substances

Impurities A, C: for each impurity ≤ 0.5%

Impurity B ≤ 1.5%

Sum of impurity D+E ≤ 1.0%

Any other impurities: Meet EP requirements

Total impurities: ≤ 2.5%

Qualified

Absorbance in ethanol:

At about 284nm (max)

At about 254nm (min)

42.0—45.0

7.5—9.0

44.0

8.8

Acidity

Max.1.0ml of 0.1 N NaOH

0.04 ml

Sulphated ashes

≤0.1%

0.03%

Heavy metals

≤10ppm

<5ppm

Lead

≤2ppm

0.04ppm

Arsenic

≤3ppm

<1ppm

Free tocopheryl

≤1.0%

0.35%

Organic volatile impurities

Meets USP requirements

Qualified

Conclusion: The product complies with USP/BP/EP/FCC standard

Product Name

Specific

Vitamin E

Vitamin E Acetate

98% OIL

Vitamin E Acetate

75% MICROCAPSULES

Vitamin E Acetate

50% POWDER

Dl-alpha tocopherols

98%

Natural Vitamin E

Mixed tocopherols

50%-95% OIL

Mixed Tocopherols

25%-50% POWDER

D-alpha tocopherols

1000IU-1400IU OIL

D-alpha tocopherols

500IU-700IU POWDER

D-alpha tocopheryls acetate