Basic Information

Structural Information

• Structure Type: Natural flavonoid compound, a typical flavone derivative.
• Structural Features: Contains three phenolic hydroxyl groups on the flavone parent ring with complete conjugated aromatic system. The special molecular structure endows it with strong antioxidant activity and diversified biological functions.

Physical & Chemical Properties

• Appearance: Light yellow crystalline powder
• Odor: Odorless
• Melting Point: 347 - 350 °C (decomposition)
• Solubility: Slightly soluble in cold water, soluble in hot water, ethanol, methanol, acetone and dilute alkaline solution; insoluble in ether, chloroform, benzene and petroleum ether
• Stability: Relatively stable under dry, cool and dark conditions. Easy to oxidize and discolor when exposed to strong light, high temperature or air for a long time. Avoid contact with strong oxidants.

Synthesis & Applications

Synthesis Method

Main Applications

• Pharmaceutical industry: Important pharmaceutical intermediate. It has antioxidant, anti-inflammatory, antibacterial, antiviral and anti-tumor activities, widely used in new drug research and development.
• Health care products: Common raw material for dietary supplements, applied for regulating immunity, relieving inflammation and anti-oxidation.
• Food industry: Used as natural food antioxidant and preservative to extend food shelf life.
• Cosmetics: Added into skin care products to remove free radicals, soothe skin and delay aging.

Safety & Storage Instructions

• Hazard Classification: Low toxicity, no obvious irritation to skin and mucous membranes under normal operation
• Personal Protection: Wear dust mask and chemical resistant gloves when handling powder. Prevent dust inhalation and direct contact with eyes.
• Storage Condition: Keep containers tightly sealed. Store in cool, dry, dark and well-ventilated environment at room temperature. Keep away from heat sources, direct sunlight and oxidizing substances.
• Transportation: Regarded as general chemical goods without dangerous goods restrictions. Prevent package damage, dampness and light exposure during transportation.

Quality & Spectral Data

• Purity (HPLC): ≥98.0% / ≥99.0%
• Loss on Drying: ≤1.0%
• Residue on Ignition: ≤0.2%
• Heavy Metals: ≤10 ppm
• 1H NMR Spectrum: Consistent with standard reference spectrum
• IR Spectrum: Characteristic absorption peaks match the standard structure

Information Summary Table