Curcumin CAS 458-37-7 Bulk Supplier | High-Purity Turmeric Extract

Curcumin (CAS 458-37-7) is a naturally occurring polyphenolic compound derived from turmeric (Curcuma longa). Supplied as a yellow-orange fine powder with ≥95.0% assay (HPLC), it is widely used in nutraceuticals, functional foods, cosmetics, and research applications requiring a well-characterized botanical active.

Product Description

Curcumin is a premium-grade turmeric extract standardized to ≥95.0% assay, ensuring strong consistency and reliable performance in advanced formulations. Each batch is tested for purity, moisture, ash, particle size, heavy metals, pesticide residues, solvent residues, and microbiological quality. Its defined analytical profile and characteristic polyphenolic structure make it suitable for encapsulation, blending, functional ingredient development, and botanical research.

Technical Properties

• CAS Number: 458-37-7
• Molecular Formula: C₂₁H₂₀O₆
• Molecular Weight: 368.38 g/mol
• Appearance: Fine powder
• Color: Yellow orange
• Assay: ≥ 95.0% (HPLC)
• Odor: Characteristic
• Taste: Characteristic
• Sulfated Ash: ≤ 2.0%
• Loss on Drying: ≤ 5.0%
• Mesh Size: NLT 85% pass 40 mesh
• Bulk Density: NMT 0.8 g/ml
• Pesticide Residues: Compliant with EC 396/2005
• Benzo[a]pyrene: < 10 ppb
• Sum of PAHs: < 50 ppb
• Solvent Residues: USP <467> (GC)
• Heavy Metals: ≤ 10 ppm
• Lead: ≤ 2 ppm
• Arsenic: ≤ 1 ppm
• Mercury: ≤ 0.1 ppm
• Cadmium: ≤ 1 ppm
• TPC: Not more than 10³ CFU/g
• TYMC: Not more than 10² CFU/g
• E. coli: Absent
• Salmonella: Absent
• Staphylococcus aureus: Absent

Applications & Industries

Curcumin bulk powder is a highly versatile turmeric-derived compound used across multiple industries.

• Nutraceuticals: Widely incorporated into dietary supplements, capsules, tablets, and functional blends focused on plant-based actives and polyphenolic compounds.
• Functional Foods & Beverages: Applied in premium formulations requiring standardized turmeric compounds with reproducible assay levels.
• Herbal Extract Systems: Suitable for modern turmeric extract complexes where purity, consistency, and mesh uniformity are important.
• Cosmetics & Personal Care: Integrated into topical formulations and botanical-based skincare products seeking natural polyphenols.
• Pharmaceutical & Research Use: Used as a reference polyphenol for analytical studies, method development, and natural molecule research.

Key Advantages

High-assay turmeric extract: Standardized to ≥95.0% assay (HPLC), providing strong consistency across nutraceutical and functional ingredient applications.

Comprehensive analytical control: Tested for PAHs, pesticide residues (EC 396/2005), heavy metals, solvent residues, ash, moisture, and mesh size to support regulated production standards.

Robust formulation properties: Fine powder form, controlled density, and defined particle size enable efficient blending, encapsulation, and uniform distribution in finished products.

Clean microbiological profile: Verified absence of E. coli, Salmonella, and S. aureus ensures suitability for high-quality natural ingredient development.

Documentation included: Supplied with COA, MSDS, and full specification data to support QA, regulatory submissions, and R&D workflows.

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