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l wpui L i arc A va v <br /> Chemicals <br /> L--€Print <br /> Chemical Datasheet <br /> SULFUR DIOXIDE <br /> r_. <br /> Chemical Identifiers <br /> CAS Number UN/NA Number DOT Hazard Label CHRIS Code <br /> 7446-09-5 1079 Poison Gas SFD <br /> Corrosive <br /> NFPA'704 <br /> Diamond i Hazard j Value Description <br /> p Health 3 Can cause serious or permanent injury. <br /> „ . <br /> 3 Q <br /> Flammability ' 0 Will not burn under typical fire conditions. <br /> Instability 0 Normally stable;even under fire conditions. <br /> i <br /> ' Special <br /> (NFPA, 2010) <br /> General Description <br /> A colorless gas with a choking or suffocating odor.Boiling point-10°C.Heavier than air.Very toxic by <br /> inhalation and may irritate the eyes and mucous membranes.Under prolonged exposure to fire or heat the <br /> containers may rupture violently and rocket.Used to manufacture chemicals;in paper pulping, in metal and <br /> food processing. <br /> Rate of onset:Immediate&Delayed <br /> Persistence:Minutes to hours <br /> Odor threshold: 1 ppm <br /> Source/use/other hazard: Disinfectant and preserving in breweries and food/canning; textile industry;batteries. <br /> Hazards <br /> Reactivity Alerts <br /> http://127.0.0.1:54673/report?key=CH1554 4/15/2015 <br />