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GHS category - Hazardous to ozone layer
Posted Date:2023/10/20
GHS definition:
Ozone depletion Potential (ODP) is the combined total amount of a halogenated carbon emission source, which is different from a single type of halogenated carbon emission source, reflecting the degree of ozone depletion that halogenated carbon may cause in the stratosphere compared with the same mass of chlorofluorocarbons (CFC-11). The official definition of ozone-depleting potential is the ratio of differential emissions of a compound to the combined disturbance of the entire ozone layer by the same mass of chlorofluorocarbons.
GHS classification standard:
Ozone hazardous substances and mixtures
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Category
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Standard
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1
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Any controlled substance listed in the annex to the Montreal Protocol; Or any mixture containing at least one of the ingredients listed in the Annex to the Montreal Protocol in concentrations ≥ 0.1%.
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Montreal Protocol means the Montreal Protocol on Substances that Deplete the Ozone Layer as modified and/or amended by a Party to the Protocol.
Examples of ozone-damaging substances:
▪ Dichlorodifluoromethane
▪ Azeotrope of dichlorodifluoromethane and difluoroethane
▪ Dichlorotetrafluoroethane
▪ Dichloro-fluoromethane
▪ 1-chloro-1, 1-difluoroethane
Labelling of hazards to the ozone layer under the Globally Harmonized System and the United Nations Model Regulations:
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Classification
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Label
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GHS hazard specification code
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GHS dangerous species
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GHS hazard category
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The class or category of the model regulation
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GHS pictograph
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Pictograms of the model regulations
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GHS signal word
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GHS hazard instructions
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Harm ozone layer
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1
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Not applicable
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Not applicable
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Warn
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Destroying ozone in the upper atmosphere, endangering public health and the environment
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H420
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