Vitamin K1 (1%)
Other Names: Phylloquinone, Phytonadione, Phytomenadione

CAS Number: 84-80-0
Sum Formula: C₃₁H₄₆O₂
Molar Mass: 450.70 g/mol
Appearance: Yellow to amber oily liquid or powder (when formulated)

Vitamin K1 (phylloquinone) is a fat-soluble naphthoquinone derivative with a long phytyl side chain. It is an essential compound in technical applications involving redox reactions, organic synthesis, and studies related to quinone chemistry. The "1%" notation typically refers to a dilution in a suitable carrier for ease of handling and formulation.

Chemical and Physical Properties
Density: ~0.93 g/cm³ (estimated for pure phylloquinone)
Melting Point: 5–7°C
Boiling Point: Decomposes before boiling
Solubility in Water: Practically insoluble
Solubility in Other Solvents: Soluble in ethanol, chloroform, and vegetable oils
Odor: Mild characteristic odor

Applications
Organic Chemistry: Used in synthetic transformations involving redox and electron-transfer reactions.
Materials Science: Investigated for its photochemical and electronic properties in functional materials.
Analytical Chemistry: Applied as a standard in chromatographic and spectrophotometric assays.
Coatings and Stabilizers: Utilized for light-stabilization properties in specialty coatings and formulations.
Redox Research: Studied in the context of quinone-mediated electron transfer processes.

Safety

Signal Word: Warning

Handling and Storage
Storage Conditions: Store in a tightly sealed container in a cool, dry, and dark place. Protect from light, heat, and oxidizing agents to prevent degradation.
Handling Precautions: Minimize exposure to air and light. Handle with standard PPE, avoiding dust or aerosol formation when working with powdered formulations.