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GHS Category -- Aerosol

Posted Date:2023/5/24

GHS definition:

An aerosol, also known as a nebulizer, is any nonrefillable reservoir made of metal, glass, or plastic, containing a compressed, liquefied, or pressurized dissolved gas, with or without a liquid, paste, or powder, and equipped with a release device that allows the contents to be ejected to form solid or liquid particles suspended in a gas or to form a foam, paste, or powder. Either in a liquid or a gas state.

GHS classification criteria:

Aerosol standard

Category

Standard

1

(a) any aerosol containing a flammable component (by mass) of more than 85% and a heat of combustion of more than 30 kJ/g;

(b) any aerosol with an ignition distance of 75 cm or more, measured in the ignition distance test, capable of ejecting aerosol; or

(c) Any aerosol that emits foam at the following values as measured in the foam flammability test:

(I) flame height ≥ 20 cm and flame duration ≥ 2 s; or

(2) Flame height ≥ 4 cm and flame duration ≥ 7 s.

2

(a) Any aerosol for which the ignition distance test indicates that it does not meet the criteria for Class 1 and the following values are measured:

(I) flame height ≥ 20 kJ/g;

(ii) combustion heat < 20 kJ/g, and ignition distance ≥ 15 cm; or

(III) Combustion heat < 20 kJ/g, ignition distance < 15 cm, and one of the following values is measured in the closed space ignition test:

− Time equivalent ≤ 300 s/m3; or

− Deflagration density ≤ 300 g/m3; or

(b) Any aerosol foaming agent whose flammability test results indicate that the flame height is greater than 4 cm and the flame duration is greater than 2 s, which does not comply with Class 1 standards.

3

(a) any aerosol containing a flammable component (by mass) less than 1% and a heat of combustion less than 20 kJ/g; or

(b) any aerosol containing a flammable component (by mass) > 1% or a heat of combustion ≥ 20 kJ/g, but which does not meet Class 1 or Class 2 standards as indicated by the results of the ignition distance test, the enclosed space test or the aerosol foam flammability test.

 

Aerosol examples:

▪ Some sprays for the beauty industry

▪ Spray cleaning agent, etc

Labelling of aerosols under the Uniform Global System and the Model United Nations Regulations:

Classification

Label

GHS hazard specification code

GHS dangerous species

GHS hazard category

The class or category of a model regulation

GHS pictograph

A pictograph of the model regulations

GHS signal word

GHS hazard instructions

Aerosol

1

2.1

 

 

or

 

 

Danger

Extremely flammable aerosol

Pressure vessel: can burst when heated

H222

H229

2

Warning

Flammable aerosol

Pressure vessel: can burst when heated

H223

H229

3

2.2

No pictograph

     

 

or

 

Pressure vessel: can burst when heated

H229