IMCO CLASS

 

Class 1

Explosives

Division 1.1

Substances And Articles Which Have A Mass Explosion Hazard.

Division 1.2

Substances And Articles Which Have A Projection Hazard But Not A Mass Explosion Hazard.

Division 1.3

Substances And Articles Which Have A Fire Hazard And Either A Minor Blast Hazard Or A Minor Projection Hazard Or Both,But Not A Mass Explosion Hazard.

Division 1.4

Substances And Articles Which Present No Significant Hazard.

Division 1.5

Very Insensitive Substances Which Have Mass Explosion Hazard

Division 1.6

Extremely Insensitive Articles Which Do Not Have A Mass Explosion Hazard

Examples:

Ammunition, Fireworks, Blasting Explosives

Class 2

Gases Compressed ,Liquified Or Dissolved Under Pressure.

Division 2.1

Flammable Gases

Division 2.2

Non-Flammable Gases.

Division 2.3

Toxic Gases

Examples:

Division 2.1

Cigarette Lighters, Refills For Gas Lighters, Acetylene, Ethylene , And Hydrogen Some Industry Use.

Division 2.2

Carbon Dioxide , Oxygen (For Medical And Industrial Use), Compressed Air, Freon Gas Used For Refrigeration And Air Conditioning ,Compressed Nitrogen And Argon For Welding.
Also, Liquid Oxygen And Liquid Nitrogen For Industrial Use.

Division 2.3

Chlorine (For Water Treatment And Ammonia (For Industrial Works).

Note!

Aerosols,As Pesticides,Air Fresheners, Aerosol Deodorants And Some Oven Cleaners Are Assigned To Division 2.1, 2.2 Or 2.3 Depending On Their Properties.

 

Class 3

Flammable Liquids

Division 3.1

Low Flash-Point Group Of Liquids(Flash-Point Below –18C. )

Division 3.2

Intermediate Flash-Point Group Of Liquids
(Flash-Point Of – 18C.Up To But Not Include +23C.)

Division 3.3

High Flash-Point Group Of Liquids
(Flash-Point Of +23C. Up To And Include +61C.)

Examples:

Petrol,Kerosene,Paints, Car Lacquers ,Chemical Solvents(Petrolium Derivatives), Varnishes.

Class 4

Flammable Solids Or Substances

Division 4.1

Flammable Solids

Division 4.2

Substances Liable To Spontaneous Combustion

Division 4.3

Substances Which In Contact With Water Emit Flammable Gases.

Examples:

Matches And Sulphur Powder.

Division 4.3

Calcium Carbide - Used To Produce Acetylene Gas.

 

Class 5

Oxidizing Substances (Agents)And Organic Peroxides.

Division 5.1

Oxidizing Sustances (Agents) Yielding Oxygen Increases The Risk And Intensity Of Fire.

Division 5.2

Organic Peroxides-Most Will Burn Rapidly And Are Sensitive To Impact Or Friction.

Examples:

Division 5.1

Pool Chlorine , Some Fertilisers.

 

Class 6

Toxic And Infectious Substances

Division 6.1

Toxic Substances.

Division 6.2

Infectious Substances.

Examples:

Division 6.1

Some Pesticides , Industry Products Such As Cyanide Products.

Division 6.2

Waste Medical Products For Example.

 

Class 7

Radioactive Substances

Examples:

Substances Used In Industrial ,Medical Or Scientific Purposes.

Class 8

Corrosives

Examples:

Acids As Glacial Acetic Acid, Hydrochloric, Sulphuric And Nitric Acid, Caustic Soda And Caustic Potash

Class 9

Miscellaneous Dangerous Substances And Articles.

Examples:

A WideRange Of Substances As Asbestos,Some Fertilisers And Environmentally Hazardous Products.

MHB

Materials Hazardous Only In Bulk.

 

N.B Packing Group

Classes 3, 4, 5.1, 6.1 And 8 Have Been Divided Into Three Packing Groups (PG): I, II Or III. The Packing Group Indicates The Degree Of Risk Within The Classes And Specifies The Standard Of Packaging. Packing Group I Denotes High Risk And Therefore Requires The Highest Standard Of Packaging; II Denotes Medium Risk; And III Denotes Low Risk. The IMDG Code Uses The Term Packaging Group Rather Than Packing Group.