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Vitamin K3

Vitamin K3, universally known as Menadione, is a synthetic, fat-soluble analog of Vitamin K that does not occur naturally. Unlike Vitamin K1 and K2, Vitamin K3 is strictly prohibited by regulatory agencies like the US FDA for use in human dietary supplements due to risks of hepatotoxicity and hemolytic anemia. However, it serves as an indispensable and highly stable coenzyme additive in the global animal feed, poultry, and aquaculture industries.

Classification :

Vitamins

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PRODUCT DETAILS

Specification Item	MSB Standard	MNB Standard
Product Name	Menadione Sodium Bisulfite (Vitamin K3)	Menadione Nicotinamide Bisulfite (Vitamin K3)
CAS No.	130-37-0 (Anhydrous) / 6147-37-1 (Trihydrate)	73581-79-0
Molecular Formula	C₁₁H₉NaO₅S · 3H₂O	C₁₁H₉O₅S · C₆H₆N₂O
Grade Standard	Feed Grade	Feed Grade
Appearance	White to yellowish crystalline powder	White to slightly yellowish crystalline powder
Menadione Content	≥ 50.0%	≥ 43.7%
Nicotinamide Content	—	≥ 31.2%
Loss on Drying	≤ 13.0%	≤ 5.0%
Heavy Metals (as Pb)	≤ 10 ppm	≤ 10 ppm
Arsenic (As)	≤ 2 ppm	≤ 2 ppm
Solubility	Highly soluble in water	Slightly soluble in water
Process Stability	Medium (sensitive to heat and moisture)	High (excellent stability during pelleting)
Shelf Life	24 Months (2 Years)	24 Months (2 Years)
Standard Packing	25 kg/Fiber drum or 25 kg/Carton	25 kg/Fiber drum or 25 kg/Carton

PACKAGING AND SHIPPING

Made of pure aluminum composite material, with high barrier properties, effectively isolating it from air, moisture, and light.
Completely moisture-proof, oxidation-resistant, and anti-caking, ensuring long-term preservation of powder purity.
Individually sealed and packaged; sizes can be customized in 1kg/5kg/10kg/25kg bags.
Neutral, unlabeled packaging and printing of customer logos and product information are also supported.

Storage

The independent and professional raw material storage workshop is kept at a constant temperature, dry and protected from light throughout, with ventilation, moisture control, and humidity prevention to prevent powder from absorbing moisture, clumping, deterioration, and oxidation. The workshop features zoned shelving for vertical storage, with cartons and drums stacked in separate zones to keep goods off the ground and away from moisture, acids, alkalis, odors, and sources of pollution.

factory workshop

FACTORY WORKSHOP

The company has a perfect R & D platform, testing platform, is committed to improving the level of human nutrition, improve the nutritional quality of Chinese residents, and promote the development of China's health cause.

Equipment

APPLICATION FIELD

Mewe Ingredients focuses on nutritional supplements, natural product concentrates, API and other high-end products for human healthy life, and is committed to the development and research of natural products with great market potential in pharmacological application and health care application, and to achieve industrialization and marketization.

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