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Vitamin K3 (Menadione nicotinamide bisulfite)
CAS No: 73581-79-0
Formula: C17H16N2O6S
Specification:
Appearance: White or yellowish crystalline powder
Assay: 96.0% min
Water content: 1.2% max
Menadione: 44% min
Nicotinamide: 31.2% min
Menadione sulfonate: No precipitation
Heavy metals (Pb): 20 mg/kg max
Arsenic: 2 mg/kg max
Chromium: 120 mg/kg max
Melting point: 175℃ - 180℃
Application:
Menadione Nicotinamide Bisulfite is also known as Vitamin K3 and is one of 3 synthetic types of Vitamin K along with K4 and K5. Menadione nicotinamide bisulfite is also used as a nutritional supplement for both the prevention of vitamin K deficiency and as a source of supplemental niacin in poultry and swine. Federal regulation 21 CFR 573.625 states that this substance can be added to chicken and turkey feeds at a level not to exceed 2 g per ton of complete feed, and to growing and finishing swine feeds at a level not to exceed 10 g per ton of complete feed.
