Dangerous goods

‘Diamond’ labels – Dangerous Goods
If a chemical is classified as a dangerous goods, it will have a ‘diamond’ sign(s) that indicate the type of hazard.

Class 3 – Flammable Liquids (Red diamond)
These are liquids, mixtures of liquids or liquids containing solids in suspension, which in most instances can be ignited and will burn.

Class 5.1 – Oxidizing Agent (Yellow diamond)
These are liquids or solids that may cause other substances to catch fire.

Class 8 – Corrosives (White/Black diamond)
These are substances (either solids or liquids) which will damage living tissue, goods or equipment on contact, by chemical action. Examples: hydrochloric acid, sodium hypochlorite (liquid pool chlorine), sodium hydroxide (caustic soda).

Corrosive Class 8 Dangerus Goods may be acidic (pH less than 2.5) or alkaline (pH greater than 11.5).

Acidic and alkaline products MUST NOT be stored together or mixed.