Keep container tightly closed in a dry and well-ventilated place. Store in a cool place. Hygroscopic, handle and store under inert gas
Non-hazardous for transport
Obata, Y., Tanaka, H., Studies on the Photolysis of l-Cysteine and l-Cystine: Formation of the Flavor of Cooked Rice from l-Cysteine and l-Cystine. Agricultural and Biological Chemistry, 1965, 29(3):191-195.