USD $1.00-100.00 / Kilogram
USD $1.00-100.00 / Kilogram
USD $1.00-100.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-100.00 / Kilogram
USD $800.00-800.00 / Metric Ton
USD $1.00-100.00 / Kilogram
USD $1.00-100.00 / Kilogram
USD $1.00-100.00 / Kilogram
cas 58-27-5
biggest factory in china,quality leading in world
delivery goods promptly
usage:
1.vitamin k generally maintains healthy blood clotting and prevents excessive bleeding and hemorrhage,
2. maintaining healthy bone structure and for carbohydrate storage in the body.
3.it is given to newborn babies born in hospitals to prevent the development of life-threatening bleeding caused by low prothrombin levels.
cas no. 58-27-5
quality: usp 32 grade
package:25kg/drum
certificate of analysis
product: |
menadione [58-27-5] |
||
batch no. |
150608 |
quantity |
25kg |
date of manufacture |
june. 8, 2015 |
date of analysis |
june. 8, 2014 |
items |
specifications |
results |
|
description and solubility |
bright yellow,crystalline,practically odorless powder, is affected by sunlight.practically insoluble in water;soluble in vegetable oils; sparingly soluble in chloroform and in alcohol. |
confirms |
|
identification |
a:lnfrared absorption b:ultraviolet absorption |
positive reaction |
|
melting rangefc) |
105-107 |
105.5 |
|
loss on drying |
0.3%max |
0.2% |
|
residue on ignition |
0.1%max |
0.05% |
|
ordinary impurities |
confirms |
confirms |
|
assay |
98.5%-101.0% |
98.9% |