Chemicals classification
Chemicals are segregated into 9 classes of hazardous material also called “dangerous good classes”
Classes of hazardous material
|
Class |
Chemical group |
Examples |
|---|---|---|
|
Class 1 |
Explosives |
Dynamite, Trinitrotoluene (TNT), ammonium nitrate oil |
|
Class 2 |
Gases |
Oxygen, carbon dioxide, gas acetylene |
|
Class 3 |
Flammable liquids |
Acetone, ethanol, diethyl ether, ethylene glycol, formaldehyde, isopropanol, methanol, xylene, toluene, phenol, chloroform, glacial acetic acid |
|
Class 4 |
Flammable solids: spontaneous combustion; contact with water emit flammable gases |
Nitrocellulose, magnesium Water contact: sodium, calcium, potassium |
|
Class 5 |
Oxidizing substances and organic peroxides |
Hydrogen peroxide (H2O2), ammonium persulfate (APS), magnesium nitrate, nitric acid, perchloric acid |
|
Class 6 |
Toxic and infectious substances |
Toxic: Formaldehyde, phenol, beta-mercaptoethanol |
|
Class 7 |
Radioactive material |
Isotopes, nuclides, tracers |
|
Class 8 |
Corrosive substances (acids, bases) |
Acids: Hydrochloric acid (HCl), sulfuric acid, acetic acid Bases: Amonium hydroxide, sodium hydroxide (NaOH), potassium hydroxide (KOH) |
|
Class 9 |
Miscellaneous |
Environmental hazardous substances |
Labs in Sackler Faculty of Medicine
