Indole FEMA 2593 CAS 120-72-9

   Indole is also called "azindene". Molecular formula C8H7N. Molecular weight 117.15. Found in dung, coal tar, jasmine oil, neroli oil. Colorless lobular or plate-shaped crystals. There is a strong smell of feces, pure diluted after fresh flower fragrance. The melting point of 52 ℃. Boiling point 253 ~ 254℃. Soluble in hot water, benzene and petroleum, easily soluble in ethanol, ether and methanol. Can volatilize with water vapor, placed in the air or see the light turn red, and resin. It is weakly acidic and forms salts with alkali metals, and acts with acids to form resinization or polychemicalbook. The highly diluted solution has the scent of jasmine and can be used as a spice. Pyrrole a compound in parallel with benzene. Also known as benzo pyrrole. There are two combinations, called indole and isoindole. Indole and its homologues and derivatives are widely found in nature, mainly in natural flower oils, such as jasmine, neroli, daffodil and Roland. Tryptophan, an essential animal amino acid, is a derivative of indole; Some natural substances with strong physiological activity, such as alkaloids and plant auxin, are derivatives of indole.