Vitamin K3 Menadione

CAS Number
58-27-5
EC Number
200-372-6

What is Vitamin K3 Menadione?

Menadione (CAS 58-27-5), commonly known as Vitamin K3, is a synthetic naphthalene-based compound used as a precursor and active ingredient in pharmaceutical and industrial manufacturing.

Where is Vitamin K3 Menadione used?

  • Pharmaceutical manufacturing: starting material for Vitamin K analogues in injectable and oral dosage forms
  • Cosmetic formulations: antioxidant-active preparations for skin conditioning and stability
  • Textile and paper processing: catalytic agent in dye fixation and oxidative finishing
  • Leather treatment: processing aid where controlled redox activity supports outcomes
  • It also functions as an antioxidant stabilizer and catalytic intermediate where controlled oxidation activity is required.

Other Names (Synonyms)

Menadione|vitamin K3|Vitamin K0|3-methyl-1,4-naphthoquinone|2-methyl-1,4-naphthoquinone|2-methyl-1,4-naphthodione|2-methyl-1,4-naphthochinon|2-methyl-1,4-Naphthalenedione|2-methyl-1,4-naphthalendione

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What are the physical properties of Vitamin K3 Menadione?

Melting Point 105-107 °C
Boiling Point 314 °C
Density 1.1153 (rough estimate)
Appearance Bright yellow crystals
Color yellow
Odor Slight odor
Form crystalline
Water Solubility INSOLUBLE
Refractive Index 1.5500 (estimate)
Log P 2.200

How is Vitamin K3 Menadione classified and handled safely? Learn More

Warning
GHS07· Irritant GHS09· Environmental Hazard

Hazard Statements

H302 H302
H315 H315
H317 H317
H319 H319

Precautionary Statements

P261 P261
P264 P264
P270 P270
P271 P271

Which trade and regulatory codes apply to Vitamin K3 Menadione?

HS Code 29146900
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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