The differences among UN GHS, CLP, China GHS and US HCS

Classification Differences among UN GHS, China GHS, US HCS and EU CLP

Classification Categories UN GHS rev. 5 China GHS(rev.4) HCS(rev.3) CLP(rev.5, shall be rev.6 shortly)
1.Explosives Unstable Explosive
Division 1.1
Division 1.2
Division 1.3
Division 1.4
Division 1.5
Division 1.6
2.Flammable Gases  Flammable Gases Category 1
Flammable Gases Category 2
Chemically Unstable Gases Category A NA
Chemically Unstable Gases Category B NA
3.Aerosols  Category 1
Category 2
Category 3 NA
4.Oxidizing Gases Category 1
5. Gas Under Pressure Compressed Gas
Liquefied Gas
Refrigerated Liquefied Gas
Dissolved Gas
6.Flammable Liquids Category 1
Category 2
Category 3
Category 4 NA
7.Flammable Solids Category 1
Category 2
8.Self-reactive Substances and mixtures Type A
Type B
Type C
Type D
Type E
Type F
Type G
9.Pyrophoric Liquids Category 1
10.Pyrophoric Solids Category 1
11.Self-heating Substances and mixtures Category 1
Category 2
12.Substances and mixtures which in contact with water emit flammable gases Category 1
Category 2
Category 3
13.Oxidising Liquids Category 1
Category 2
Category 3
14.Oxidising solids Category 1
Category 2
Category 3
15.Organic peroxides Type A
Type B
Type C
Type D
Type E
Type F
Type G
16.Corrosive to metals Category 1
17.Acute toxicity Category 1
Category 2
Category 3
Category 4
Category 5 NA NA
18.Skin corrosion/irritation Category 1: Corrosive 1A
Category 1: Corrosive 1B
Category 1: Corrosive 1C
Category 2: Irritant
Category 3: Mild Irritant NA NA
19.Serious eye damage/eye irritation Category 1: Irreversible effects on the eye
Category 2A: Irritating to eyes
Category 2B: Irritating to eyes NA
20.Respiratory or skin sensitisation Respiratory Category 1A
Respiratory Category 1B
Skin Category 1A
Skin Category 1B
21.Germ cell mutagenicity Category 1A
Category 1B
Category 2
22.Carcinogenicity Category 1A
Category 1B
Category 2
23.Reproductive toxicity Category 1A
Category 1B
Category 2
Additional category for effects on or via lactation
24.Specific target organ toxicity — single exposure Category 1
Category 2
Category 3
25.Specific target organ toxicity — repeated exposure Category 1
Category 2
26.Aspiration hazard Category 1
Category 2 NA NA
27.Hazardous to the aquatic environment Category Acute 1 NA
Category Acute 2 NA NA
Category Acute 3 NA NA
Long-term aquatic hazard NA
28.Hazardous to the ozone layer Category 1 NA
Other Hazards NA NA NA

Pyrophoric Gas
Simple Asphyxiant
Combustible Dust

NA