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. - In colourless silky crystals, usually acicular.
Reactions. - The solution in water has a bitter taste and a neutral or faintly alkaline reaction, twists a ray of polarised light to the left; when acidified is not distinctly fluorescent. For other tests, vide p. 941.