Menadione (Vitamin K3, CAS 58-27-5), also known as 2-Methyl-1,4-naphthoquinone, is bright yellow crystalline powder. It is a synthetic vitamin K precursor, widely used in animal feed, veterinary medicine and fine chemical synthesis. TNJ Chemical is the leading manufacturer and exporter since 2001 from China. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To inquire more, please contact sales@tnjchem.com
Product Information
CAS No.: 58-27-5
Name: MenadioneSynonym: Vitamin K3, 2-Methyl-1,4-naphthoquinone, Menaphthenone
EC No.: 200-372-6
Molecular Formula: C₁₁H₈O₂
Molecular Weight: 172.18
MDL: MFCD00001660
Chemphysical Properties
Appearance: Bright yellow crystalline powder
Melting point: 105–107 ℃
Solubility: Slightly soluble in water; soluble in ethanol, benzene, chloroform and vegetable oil
Stability: Light-sensitive, easy to discolor under light; avoid strong oxidants
| Item | Standard |
|---|---|
| Purity (HPLC) | 98.0% min |
| Loss on drying | 0.50% max |
| Residue on ignition | 0.10% max |
| Heavy metals (Pb) | 10 ppm max |
| Melting range | 104–107 ℃ |
Use & Application
Animal feed additive: Vitamin supplement for poultry, livestock and aquaculture, prevents hemorrhage and supports bone health.
Veterinary raw material: For veterinary formulations to treat vitamin K deficiency and bleeding disorders.
Fine chemical intermediate: Raw material for vitamin K series derivatives and organic synthesis.
Biochemical reagent: Applied in laboratory research and biological assay.
Packing
25kg fiber drum with PE inner bag.
Delivery & Storage
Seal tightly, store in cool, dry and dark warehouse, protect from light and heat.
UN 3077, hazard class 9 environmentally hazardous substance.




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