good quality Vitamin E CAS NO.59-02-9

Product Details

ve / gmp certified vitamin e acetate, bulk vitamin e oil

name: vitamin e oil
other name: vitamin e acetate, tocopheryl, tocopherol

appearance: slightly yellow, clear, viscous oil

standard: ep6/usp32
cas: 7695-91-2

results of analysis

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 )

storage: ve / vitamin e acetate bulk vitamin e oil kept in a light-proof, well-colsed,dry and cool place

ve / gmp certified vitamin e acetate, bulk vitamin e oil

name: vitamin e oil
other name: vitamin e acetate, tocopheryl, tocopherol

appearance: slightly yellow, clear, viscous oil

standard: ep6/usp32
cas: 7695-91-2

results of analysis

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 )