It has a strong smell, like that of a match which has just been struck, which can choke those in the vicinity.
Common applications of sulphur dioxide include sulfuric acid production, pulp and paper mills, chemical processing, food and beverage operations, and petroleum refineries.
It is created through the burning and smelting of fossil fuels and sulphur-containing mineral ore. When dissolved (such as in rains) it forms sulphuric acid- which is highly corrosive. It is for this reason that sulphur dioxide can burn the respiratory tract upon inhalation.
Colourless with a pungent smell
Toxic and irritating
Poisonous if inhaled
Reacts with moisture to produce sulphuric acid
Naturally occurring
More about Sulphur Dioxide
How to detect sulphur dioxide
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The team here at Crowcon are industry leaders in gas detection, and between us have decades of experience working with and around substances like ammonia. If you want advice on gas detection and safety, a member of our team is always on hand to walk you through the best resources and advice to keep you, your site, and your personnel safe.
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