The substance decomposes on heating or on burning producing toxic and corrosive fumes including sulfur oxides. The substance is a strong acid, it reacts violently with bases and is corrosive. TLV not established. The substance is corrosive to the eyes, the skin and the respiratory tract. The effects may be delayed.
Medical observation is indicated.
The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort.