Cinchotannic acid
| Properties | |
|---|---|
| C28H19O17 (?) | |
| Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa) | |
 verify (what is: / ?) | |
| Infobox references | |
Cinchotannic acid is a tannin contained in many cinchona barks, which by oxidation rapidly yields a dark-coloured phlobaphene[1] called red cinchonic,[2] cinchono-fulvic acid or cinchona red.[3]