Silymarin CAS  65666-07-1 is a natural flavonoid lignan compound extracted from the dried fruit of the Asteraceae plant Silymarin. Its main components are silybin, isosilybin, silydianin, and silychristin. Silymarin is insoluble in water, easily soluble in acetone, ethyl acetate, methanol ethanol, and slightly soluble in chloroform.

Name: Silymarin

Foreign name: Silymarin Yes

Chemical formula: C25H22O10

Molecular weight: 482.436

Appearance: Yellow or brown powder

CAS login number: 65666-07-1

EINECS login number: 613-830-9

Density: 1.527 g/cm ³

Melting point: 164 to 174 ℃

Boiling point: 793.0 ℃

Flash point: 274.5 ℃

Physical and chemical properties

The melting point of monohydrate (methanol water) is 180 ℃. Anhydrous material has a melting point of 158 ℃ (decomposition at 180 ℃)[ α] 20/D+11 ° (C=0.25, acetone ethanol). Soluble in acetone, ethyl acetate, methanol, and ethanol, slightly soluble in chloroform, almost insoluble in water. UV λ CH3OHmax nm (log ε）： 288 (4.34), 322 (shoulder). IR λ The absorption peaks of KBrmax cm -1: 3420 (OH), 1620 (>CO), 1502, 1458, 1265 (OCH3), 1182, 1160 (C-O), 1140, 1122, 1077, 1032, 1016, 994, and 847, 785, 810, 825 aromatic C-H.

ChemicalCAS.com offers price quotation and technology support of chemical from China. In the quotation from China factory supplier, we will include price terms, payment, lead time, COA, TDS, MSDS etc. We make sure the reliable purchase source and product quality. If you need to buy chemical from China, please feel free to contact sales@chemicalcas.com