Salicin, C13H18O7. An active principle (Glucoside ?) obtained from different species of willow (Salix), spiraea, etc.
Moderately soluble (1 to 30) in water and alcohol. Preparations: Triturations.
Confusion of the head.
Flickering before the eyes. Fog and sparks before the eyes, for five days.
Persistent ringing in the ears (third day of experiment).
This substance is excreted in the urine in the form of salicyl hydride, which sinks to the bottom of the urine as a fine crystalline cloud; it is easily detected by the per chloride of iron tests.