Key Points

Fire

• Non-flammable, but dust or powder is flammable
• Reacts with aqueous solutions of sodium or potassium bicarbonate
• On heating, reacts directly with carbon, phosphorous, antimony or arsenic
• Reacts with dilute mineral acids with liberation of hydrogen and formation of divalent manganous salts
• Decomposes in water slowly in the cold, rapidly on heating

Health

• Toxic via inhalation and ingestion
• Inhalation causes irritation of the lungs and increases the susceptibility to infection
• Inhalation my cause irritation and metal fume fever. Symptoms include cough, sore throat, chest tightness, headache and fever
• Ingestion of large doses causes gastrointestinal irritation

Environment

• Avoid release into the envionment
• Inform the Environment Agency of substantial releases

 

All sections of the compendia are available to download:

 

• Manganese General Information (PDF, 52 KB)
• Incident Management (PDF, 36 KB)