Alizarin
CAS: 72-48-0
Molecular Formula: C14H8O4
Molecular Weight: 240.23
Product description:Tan powder. Melting point: 290 ℃ (lit) boiling point: 430 ℃. Slightly soluble in water, soluble in acetone, methanol, ethanol (boiling), alkali and soluble fiber, slightly soluble in benzene, carbon tetrachloride, toluene, xylene, pyridine, carbon disulfide and ice acetic acid, insoluble in ethanol solvent (cold), tao, soluble in alkali liquor is violet, in concentrated sulfuric acid are yellow, red, red yellow precipitate diluted, sodium hydroxide as the purple.Oral can make red urine, milk. Similar to other quinone compounds, large doses can reduce animal blood pressure without affecting the heart, there is some diuresis and excitement in vitro intestinal canal is slightly lower (tension). Has inhibitory effect on the growth of staphylococcus aureus.
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