Vitamin K3

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1. Vitamine K3-MSB
Chemical formula: C11H9NaO5S•3H2O
Molecular weight: 330.29
CAS no.: 130-37-0

Functions and characteristics
The vitamine K3-MSB synthesizes thrombase in animal's liver, and maintains the normal congealing time. As a feed addivite, MSB is the important and essential nutriment substance for birds and beasts. It can effectively prevent the blood disease, and strengthen the immunity.


Specifications of Vitamine K3-MSB

Index Standard
MSB98% MSB96% MSB50%
Appearance White or similar-whiter crystalline powder
Odor Slight Olid or slight pungent
Content (Menadione Sodium Bisulfite - MSB) ≥98.0% ≥96.0% ≥50.0%
Menadione ≥51.0% ≥50.0 % ≥26.0 %
Water content ≤13.0 % ≤13.0 % ≤13.0 %
Heavy metal(as Pb) ≤20ppm ≤20ppm ≤20ppm
Arsenic ≤5ppm ≤5ppm ≤5ppm




Package: 25kg/drum or carton.
Storage: Stored in a cool, dry place in its original sealed container
Shelf life: 1 year

2. Vitamine K3-MNB
Chemical formula: C17H16N2O6S
Molecular weight: 376.23
CAS no.: 73581-79-0

Functions and characteristics
It joins the nicotinamide formula on the basis of MSB, so it is more stable and has better biological peformance than MSB. Also, it can decrease the quantity of individual nicotinamide usage.

Specifications of Vitamine K3-MNB

Index Standard
MNB 96% MNB 50%
Appearance White powder
Water-solubility Slight water-soluble
Content ( Menadione Nicotinamide Bisulfite-MNB) ≥96.0% ≥50.0%
Menadione ≥44.94 % ≥22.7 %
Niacinamide ≥31.0 % ≥16.0 %
Water content ≤1.0 % ≤1.0 %
Heavy metal(as Pb) ≤20ppm ≤20ppm
Arsenic ≤5ppm ≤5ppm

Package: 25kg/drum or carton.
Storage: Stored in a cool, dry place in its original sealed container
Shelf life: 1 year

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