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vitamin e acetate
cas no. 7695-91-2
white to light yellow powder
>99%
food additive; eases digestive disorders.
product name |
tocopheryl acetate; vitamin e acetate |
||
assay (%) |
50% cws |
odor |
characteristic |
characters |
white to light yellow powder |
melting point |
28°c |
molecular formula |
c31h52o3 |
molecular weight |
472.74 |
cas no. |
7695-91-2 |
einecs no. |
231-710-0 |
standard |
usp/bp |
||
main function |
food additive, eases digestive disorders. |
||
application |
pharmaceutical, health food, cosmetics field. |
||
package |
aluminum foil bag inside + carton box outside;1kg/bag+25kg/drum |
||
shelf life |
36 months |
||
storage |
store in sealed containers at cool & dry place. keep away from light, moisture and pest infestation. |
product name |
vitamin e acetate oil 90-98%; vitamin e oil, d-alpha tocopheryl acetate; dl-alpha tocopherol acetate |
chemical name |
tocopheryl acetate |
cas number |
7695-91-2 |
molecular formula |
c31h52o3 |
molecular weight |
472.74 |
molecular structure |
|
items |
specification |
appearance |
slightly yellow, clear, viscous oil |
identification |
meets the requirements |
density(20) |
0.952 ~ 0.966g/ml |
refractive index(20) |
1.494 ~ 1.498 |
absorbance in ethanol |
|
at about 284nm(max) |
42.0 ~ 45.0 |
at about 254nm(min) |
7.5 ~ 9.0 |
acidity |
≤1.0ml of 0.1n naoh |
sulphated ashes |
≤.1% |
heavy metals |
≤10ppm |
lead |
≤10ppm |
arsenic |
≤3ppm |
free tocopherol |
≤1.0% |
assay by g.c. |
96.0 ~ 102.0% |
standard |
usp36/bp2013/ep7/fcc |