Quercetin (Quercetin hydrate Standard)

Quercetin, 5g

Product Profile
Quercetin is a naturally occurring flavonoid (aglycone) widely distributed in plants. It is extensively used in antioxidant research, pharmacological studies, and analytical chemistry due to its strong radical-scavenging activity and metal-chelating properties.

Details
Brand: Molychem (or equivalent)
Product Name: Quercetin
Pack Size: 5g
Molecular Formula: C₁₅H₁₀O₇
Molecular Weight: 302.24 g/mol
CAS Number: 117-39-5

Specifications
Appearance: Yellow crystalline powder
Solubility: Practically insoluble in water; soluble in ethanol, methanol, and alkaline solutions
Purity: Typically ≥95–98% (batch dependent)
Melting Point: ~316–317°C (decomposes)
UV λmax: ~256 nm, 370 nm (in methanol)
pH (solution): Slightly acidic
Light Sensitivity: Light-sensitive

Handling
Avoid inhalation of dust. Use appropriate PPE (gloves, goggles, lab coat). Handle in a well-ventilated area or fume hood.
Storage
Store tightly closed in a cool, dry, and well-ventilated place. Protect from light and moisture. Recommended storage: room temperature or 2–8°C for extended stability.

Applications
Antioxidant and oxidative stress studies
Pharmacological and biochemical research
HPLC/UV analytical reference standard
Flavonoid profiling and plant extract analysis
Metal ion chelation studies

Hazard Information
May cause irritation to eyes, skin, and respiratory tract. Avoid ingestion and prolonged exposure. Refer to SDS for detailed hazard classification.

Packaging
Supplied in amber glass reagent bottle (light-protective) with secure screw cap, packed in labeled outer carton.

Safety Note
For laboratory and research use only. Not for food, drug, or household applications. Use in accordance with standard laboratory safety protocols.