Menadione is a vitamin precursor of K2 which utilizes alkylation to yield menaquinones (MK-n, n=1-13; K2 vitamers), and hence, is better classified as a provitamin. It is also known as "menaphthone".
| Form |
Bright yellow crystals |
| MF |
C11H8O2 |
| MW | 172.18 |
| Melting point |
105-107 °C(lit.) |
| Boiling point |
262.49°C (rough estimate) |
| Density |
1.1153 (rough estimate) |
| Refractive index |
1.5500 (estimate) |
| Storage temp. |
room temp |
|
ITEM |
STANDARD |
|
APPEARANCE |
Yellowish crystalline powder |
|
PURITY(%) |
>= 96.0 TEST METHOD UV |
|
MENADIONE (%) |
>= 43.0 TEST METHOD UV |
|
Nicotinamide (%) |
>=31.0 TEST METHOD UV |
|
WATER (%) |
=< 1.5 TEST METHOD Karl Fisher |
|
Heavy metals(Pb) (%) |
=<0.002 |
Biochemical research; clinical drugs belong to fat-soluble vitamins; it is clinically used as a hemostatic drug.
Vitamin K3 is mainly used as poultry feed enhancer at a dosage of 1-5mg/kg.
The goods can have addition reaction with sodium bisulfite to generate vitamin K3.
VK3. Used as raw material of feed additives; it can mainly promote the liver synthesis of prothrombin in livestock and poultry, and promote the liver synthesis of plasma coagulation factors as a hemostatic agent.
