"Is it 'Potassium', Alex?"
EMERGENCY OVERVIEW
Appearance: silver solid.
Danger! Reacts violently with water liberating highly flammable gases. Causes eye and skin burns. Causes digestive and respiratory tract burns. May ignite or explode on contact with moist air. May form unstable peroxides.
Target Organs: Eyes, skin, mucous membranes.
Potential Health Effects
Eye: Causes eye burns.
Skin: Causes skin burns. Reacts with moisture in the skin to form potassium hydroxide and hydrogen with much heat.
Ingestion: Causes gastrointestinal tract burns.
Inhalation: May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Causes chemical burns to the respiratory tract. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
SOURCE