A strong alteration of the voice.
Sulfur hexafluoride is an inorganic, colorless, odorless, non-toxic and non-flammable gas
Dodgy to say the least! Carbon Monoxide in the fumes is the main poison. It will kill you very quickly!
its not gonna kill you it just stinks
Sulfur dioxide combines with oxygen and water to form acid rain Sulfuric and sulfurous acids). The acid can corrode metal and dissolve limestone, marble and cement.