Curcumin

Curcumin (CAS 458-37-7) is a natural yellow pigment extracted from the rhizomes of turmeric (Curcuma longa L.). It appears as an orange-yellow crystalline powder with a characteristic odor and slightly bitter taste. The product is insoluble in water but freely soluble in ethanol, propylene glycol, and alkaline solutions.
Our curcumin is standardized to total curcuminoids ≥98% by HPLC, meeting USP, EP, and FCC standards. It is available in multiple grades: Food Grade, Pharmaceutical Grade, Cosmetic Grade, and Reagent Grade (including HPLC standard). Strict quality control ensures low heavy metals, low residual solvents, and consistent batch-to-batch purity.
Key applications include:
Food industry – natural coloring agent (E100) and functional ingredient
Dietary supplements – antioxidant and anti-inflammatory formulations
Cosmetics – whitening, anti-aging, and skin-soothing products
Laboratory use – analytical reference standard and research intermediate
Packaging options range from 1kg aluminum foil bags to 25kg fiber drums, with inner double food-grade PE liners. Storage requires sealed, light-protected, cool and dry conditions (4°C refrigeration recommended for long-term stability).
Certifications available:Each shipment is accompanied by a Certificate of Analysis (COA) and Material Safety Data Sheet (MSDS).

About Us

Chongqing Yuhan Technology Co., Ltd. – Bringing high-quality chemical products to the global market
Since 2017, Chongqing Yuhan Technology Co., Ltd. has grown from a local supplier into a leading international trader in the field of chemical raw materials and reagents. We serve a diverse range of industries, including power generation, metallurgy, agriculture, textiles and plastics, with clients across the globe.
Scope of Business
We offer a wide range of chemical products, specialising in high-purity acids, perovskite materials and hazardous chemicals. We focus on high-performance materials, ensuring we meet our clients’ unique requirements through bespoke solutions.
Our Strengths
Extensive product range: We offer a comprehensive selection of chemical products, enabling one-stop procurement.
Market Competitiveness: We hold a solid market position thanks to our long-standing partnerships.
Looking Ahead
We are committed to continuous improvement, delivering increasingly professional and efficient solutions. Our goal is to expand our international footprint and become the partner of choice for high-quality chemical raw materials and reagents worldwide.
Industry Reputation: Renowned for our professionalism and reliability.
Risk Management: Effective management of safety and environmental risks.
Partner Trust: Highly trusted for our ability to secure favourable terms and prices.