Description

Quercetin Dihydrate CAS NO 6151-25-3 is a high-purity, naturally derived flavonoid compound, recognized for its potent antioxidant and anti-inflammatory properties. This product is essential for formulators seeking a reliable, bio-active ingredient to enhance the efficacy and stability of their products. It is primarily utilized by manufacturers in the nutraceutical, pharmaceutical, and cosmetic industries for its significant health and functional benefits.

Application

• Nutraceutical & Dietary Supplements: A key active ingredient in capsules, tablets, and powders for immune support, cardiovascular health, and general wellness formulations.
• Pharmaceutical Intermediates: Used in the research and development of therapeutic agents targeting inflammation, allergies, and metabolic disorders.
• Cosmetic & Personal Care: Incorporated into anti-aging serums, creams, and lotions for its skin-protective and antioxidant effects against environmental stressors.
• Functional Food & Beverages: Added to health drinks, fortified foods, and sports nutrition products to provide antioxidant value.
• Research & Development: Serves as a standard or reagent in biochemical, pharmacological, and nutritional studies within academic and industrial laboratories.
• Animal Nutrition: Used in premium feed additives to promote animal health and improve product quality.

Basic Information

Product Name	Quercetin Dihydrate
CAS No.	6151-25-3
Molecular Formula	C15H10O7 · 2H2O
Molecular Weight	338.27 g/mol (Anhydrous: 302.24)
Synonyms	3,3',4',5,7-Pentahydroxyflavone Dihydrate; Quercetin 2-Hydrate; Sophoretin; Meletin; Xanthaurine; Quercetol; Quercitin; CI Natural Yellow 10
EINECS	Contact for details

Quality Control

Our Quercetin Dihydrate is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and UV spectroscopy, to ensure it meets stringent specifications for high-grade applications. Certificates of Analysis (COA) documenting all test results are available upon request to support your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to greenish-yellow crystalline powder
Identification (IR)	Conforms to standard
Identification (HPLC)	Conforms to standard
Assay (HPLC)	≥ 95.0% (on anhydrous basis)
Water (KF Titration)	9.0% - 11.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Solvent Residue	Meets ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.