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GHS Category--Oxidizing Solids
Posted Date:2022/7/20
GHS Definition:
Oxidizing solids are solids that are not necessarily combustible themselves, but generally release oxygen that causes or contributes to the combustion of other substances.
Oxidizing solid standard:
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Category
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Standard
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1
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Any substance or mixture, tested in a 4:1 or 1:1 ratio (by mass) of a sample and cellulose, showing a mean burning time less than that of potassium bromate and cellulose in a ratio of 3:2 (by mass) Average burn time.
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2
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Any substance or mixture, tested in a 4:1 or 1:1 mixture (by mass) of a sample and cellulose, showing an average burning time equal to or less than a 2:3 (by mass) mixture of potassium bromate and cellulose average burn time after and does not meet the criteria for Category 1.
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3
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Any substance or mixture, tested in a 4:1 or 1:1 ratio (by mass) of a sample and cellulose, showing an average burning time equal to or less than a 3:7 (by mass) mixture of potassium bromate and cellulose Average burn time after and that do not meet the criteria for Category 1 and Category 2.
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Examples of oxidizing solids:
▪Potassium superoxide
▪Sodium superoxide
▪Barium hypochlorite
▪Calcium hypochlorite
▪Lithium hypochlorite
▪Calcium iodate
▪Cadmium iodate
Labeling and classification of oxidizing solids:
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Classification
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Label
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Hazard statement code
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Hazard category
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Hazard classification
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Pictograms
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Signal word
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Hazard statement
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GHS
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United Nations Model Regulations
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Oxidizing Solids
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1
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Danger
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May cause fire or explosion; strong oxidizer
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H271
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2
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Danger
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May intensify combustion; oxidizer
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H272
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3
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Warn
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May intensify combustion; oxidizer
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H272
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