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  Sulfur Dioxide (SO2)  

OSHA PEL TWA 5 ppm
CAS # 7446-09-5

Sulfur Dioxide is an extremely toxic gas. Exposure may result in loss of consciousness or death. Sulfur dioxide is a colorless, nonflammable gas with a characteristic, irritating, pungent odor.  It is heavier than air.  It reacts violently with ammonia, acetylene, chlorine, ethylene oxide, amines, butadiene and others.  Reacts with steam and water.  Attacks metals.  Extremely irritating to  the eyes and respiratory tract. 

 

LINKS:
International Chemical Safety Card
EPA
http://mattson.creighton.edu/SO2/SO2_Info.html

 

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