Hesperetin CAS 520-33-2 Bulk Supplier | High-Purity Citrus Flavanone

Hesperetin (CAS 520-33-2) is a naturally occurring flavanone derived from citrus fruits such as Citrus aurantium L. Offered as a light yellow to off-white fine powder with ≥98% purity (HPLC), it is a key bioflavonoid used across nutraceutical, cosmetic, and pharmaceutical industries for its antioxidant and stabilizing properties.

Product Description

Hesperetin is a high-purity citrus bioflavonoid characterized by its phenolic structure and strong antioxidant capacity. Each batch undergoes stringent analytical testing for heavy metals, ash, moisture, and microbiological purity, ensuring consistent performance in regulated applications. Its fine particle size and characteristic sensory profile make it ideal for incorporation into advanced formulations and natural product research.

Technical Properties

• CAS Number: 520-33-2
• Molecular Formula: C₁₆H₁₄O₆
• Molecular Weight: 302.28 g/mol
• Source: Citrus aurantium L.
• Appearance: Fine powder
• Color: Light yellow to off-white
• Purity: ≥ 98.0% (HPLC)
• Sulfated Ash: ≤ 2.0%
• Loss on Drying: ≤ 5.0%
• Mesh Size: NLT 95% pass 80 mesh
• Bulk Density: NMT 0.8 g/ml
• Heavy Metals: ≤ 10 ppm (Pb ≤ 2 ppm, As ≤ 1 ppm, Hg ≤ 0.1 ppm, Cd ≤ 1 ppm)
• Microbiology: TPC ≤ 10³ CFU/g, TYMC ≤ 10² CFU/g; E. coli, Salmonella, S. aureus absent

Applications & Industries

Hesperetin bulk powder is a multifunctional bioflavonoid offering stability, antioxidant potential, and natural sourcing. It plays a vital role across nutraceutical, cosmetic, and research applications.

• Nutraceuticals: Used in dietary supplements promoting plant-derived antioxidants and metabolic balance. Its clean-label profile makes it suitable for modern formulations emphasizing natural bioactives and functional nutrition.
• Food & Beverages: Serves as a botanical antioxidant in health drinks and fortified foods. Its compatibility with natural flavor matrices allows easy integration without altering sensory properties.
• Cosmetics: Employed in skincare formulations focusing on “urban protection” and “radiance support.” The phenolic structure provides stability against oxidative degradation, supporting product longevity and efficacy.
• Pharmaceuticals & Research: Used as a reference flavanone in analytical and pharmacokinetic studies. Its high purity and defined assay profile ensure reproducibility across laboratory and industrial settings.

Key Advantages

Dependable EU-based bulk supply: Hesperetin is readily available from European warehouses, ensuring reliable delivery and cost-efficient logistics. This helps maintain steady manufacturing workflows and shortens lead times for both SMEs and large-scale producers.

Rigorous analytical and microbiological quality control: Each batch is tested via HPLC and ICP-MS for purity and heavy metals, while ISO-based microbial testing ensures absence of contaminants. This full-spectrum validation guarantees compliance with international regulatory requirements.

Excellent formulation compatibility: The compound’s fine particle size and low moisture content facilitate dispersion in both aqueous and lipid-based systems. Its neutral sensory profile supports inclusion in sensitive formulations such as creams, serums, and functional beverages.

Comprehensive technical documentation: Delivered with COA, MSDS, and analytical data for seamless regulatory verification. NST Chemicals ensures transparent traceability and documentation support for customers across the nutraceutical and cosmetic industries.

Contact us for Hesperetin CAS 520-33-2 bulk pricing, samples, or technical consultation.