Curcumin, a kind of yellow phenolic substance, is extracted from the turmeric which belongs to zingiberaceae.
Product name: Curcumin
CAS №：458-37-7
Molecular formula: C₂₁H₂₀O₆
Molecular weight: 368.38
Molecule structure:
Appearance: yellow crystallize powder
Solubility: insoluble in water; soluble in methanol, ethanol and other organic solvents
Assay:      95% 
Melting point: 183℃
Package: aluminum foil bag, 1kg/bag, or according to the customer request
Storage: store in a cool, dry place
Characteristics: This product is not easy to fade, but sensitive to light and metallic ions.