Pure Forms - White rhomboid prisms to a colorless dense powder. Odor - None. Commercial Forms - Paste, grain. Uses - Pesticide, analytical chemistry reagent. Emits very toxic fumes of thallium and sulfur oxide when heated to decomposition.
Caution is advised.
Signs and symptoms of acute exposure to thallous sulfate may be severe and include bronchitis, pneumonia, and respiratory paralysis. Victims may experience headache, delirium, dementia, depression, psychosis, and peripheral burning sensations with severe pain. Kidney damage has been reported. Acute exposure to thallous sulfate may require decontamination and life support for the victims. Emergency personnel should wear protective clothing appropriate to the type and degree of contamination.