Basic Information

Structural Information

• Structure Type: Natural flavonoid, typical flavone derivative.
• Structural Features: Possesses a basic diphenylpropane skeleton with five phenolic hydroxyl groups. The conjugated π-electron system endows the compound with excellent antioxidant properties. The multiple hydroxyl groups also bring good biological activity and polarity.

Physical & Chemical Properties

• Appearance: Bright yellow crystalline powder
• Odor: Odorless
• Melting Point: 314 - 316 °C (decompose)
• Solubility: Slightly soluble in cold water, soluble in hot water, methanol, ethanol, acetone and dilute alkaline solution; practically insoluble in chloroform, diethyl ether, benzene and petroleum ether
• Stability: Relatively stable under dry and dark environment. Easily oxidized and discolored when exposed to strong light, high temperature or air for a long time. Avoid contact with strong oxidizing agents.

Synthesis & Applications

Synthesis Method

Main Applications

• Pharmaceutical industry: Important pharmaceutical intermediate. It has multiple pharmacological activities such as antioxidant, anti-inflammatory, antibacterial, antiviral and hypoglycemic effects, widely used in new drug research and development.
• Health products: Classic raw material for dietary supplements, applied for anti-oxidation, regulating immunity and protecting cardiovascular system.
• Food industry: Used as natural antioxidant, preservative and edible pigment to extend shelf life of food.
• Cosmetics: Added into skin care products to resist free radicals, delay skin aging and relieve skin inflammation.

Safety & Storage Instructions

• Hazard Classification: Low toxicity substance, no obvious irritation to skin and mucosa under normal operation.
• Personal Protection: Wear dust mask and chemical resistant gloves when handling the powder. Prevent dust inhalation and contact with eyes.
• Storage Condition: Store in tightly sealed containers. Keep in cool, dry, dark and well-ventilated area at room temperature. Keep away from heat sources, direct sunlight and oxidants.
• Transportation: Regarded as general chemicals. No dangerous goods transportation restrictions. Prevent package breakage, dampness and exposure to sunlight during delivery.

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: Matches standard reference spectrum
• IR Spectrum: Characteristic absorption peaks conform to theoretical structure

Information Summary Table