Name: Vitamin K

Alias: Vitamin K1

Chemical formula: C31H46O2

Molecular weight: 450.7

CAS registration number: 12001-79-5

EINECS registration number: 234-408-7

Melting point: −20 °C(lit.)

Boiling point: 546.4ºC at 760mmHg

Density: 0.984 g/mL at 25 °C(lit.)

Appearance: Light yellow powder

Flash point: >230 °F

Refractive index: n20/D 1.527(lit.)

Acidity factor (pKa): n20/D 1.527(lit.)

Vapour pressure: 5.37E-12mmHg at 25°C

Use

Vitamin K, also known as coagulation vitamin, belongs to a kind of vitamin, is a fat soluble vitamin. It participates in the synthesis of prothrombin in liver and other factors in blood coagulation system, so it is also called anti bleeding vitamin. It is used for the prevention and treatment of prothrombin deficiency, vitamin K deficiency, neonatal spontaneous hemorrhage, hemorrhage caused by taking dicoumarin and salicylic acid. It is effective for colic caused by Ascaris lumbricoides.There's also some evidence vitamin K may help keep bones healthy.