USD $15.00-50.00 / Kilogram
USD $310.00-390.00 / Metric Ton
USD $15.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
USD $75.00-150.00 / Kilogram
USD $10.00-50.00 / Kilogram
USD $15.00-50.00 / Kilogram
other name:tocopherol
cas:59-02-9
mf:c29h50o2
molecular weight: 430.71
sex shape:white to yellow powder or yellowish clear viscous liquid, almost odorless. soluble in ethanol, acetone, ethyl ether, or vegetable oil, not water-soluble.
also prevention and treatment of menopause syndrome or the grease with butter or oil in food such as antioxidants. used as a cosmetic ingredient.
item |
specifications |
results |
appearance |
white to almost white free-flowing powder |
conform |
identification |
positive |
conform |
dispersibility in water |
dispersible |
conform |
content |
min 50% of vitamin e |
52.6% |
granularity |
100% though 40# sieve min 90% though 60# sieve min 45% though 100# sieve |
100% 96% 75% |
loss on drying |
≤3.0% |
1.20% |
heavy metal(as pb) |
≤10ppm |
<10ppm |
arsenric(as as) |
≤3ppm |
<1ppm |
residual solvents |
||
methanol |
≤3000ppm |
conform |
hexane |
≤290ppm |
conform |
microblogical spec. |
||
total plate count |
≤1000cfu/g |
conform |
yeast and moulds |
≤100cfu/g |
conform |
e. coli |
negative(in 10g) |
negative |
salmonella |
negative(in 10g) |
negative |
conclusion: conforms to the standard of usp34. |