A classification system published by the United Nations. The system includes codification of hazard statements, codification and use of precautionary statements, codification of hazard pictograms and labeling and guidance on the preparation of Safety Data Sheets.
See also: UNGHS/Pictograms
Hazard Classes
- Class 1 Explosives
- Class 2 Gases
- Class 3 Flammable Liquids
- Class 4.1 Flammable Solids
- Class 4.2 Substances Liable to Spontaneous Combustion
- Class 4.3 Substances which, in contact with water, emit flammable gases
- Class 5.1 Oxidizing substances
- Class 5.2 Organic peroxides
- Class 6.1 Toxic substances
- Class 6.2 Infectious substances
- Class 7 Radioactive material
- Class 8 Corrosive substances
- Class 9 Miscellaneous dangerous substances and articles
Source: UN GHS revision 6, 2015
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Hazardous Materials
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