Chemicals classification

Chemicals are segregated into 9 classes of hazardous material also called “dangerous good classes”

 

Chemicals classification

 

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

 

 


 

 

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