This section is from the book "A Text-Book Of Pharmacology, Therapeutics And Materia Medica", by T. Lauder Brunton. Also available from Amazon: A text-book of pharmacology, therapeutics and materia medica.
Characters. - A white, light, amorphous powder, permanent in dry air, odourless, and tasteless.
Solubility. - It is insoluble in water or alcohol.
Uses. - It is feebly astringent and desiccant. Is used externally as a powder in inflammatory diseases of the skin.