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

N/A

Chemically Unstable Gases Category B

N/A

3. Aerosols 

Category 1

Category 2

Category 3

N/A

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

N/A

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

N/A

N/A

18. Skin Corrosion/Irritation

Category 1: Corrosive 1A

Category 1: Corrosive 1B

Category 1: Corrosive 1C

Category 2: Irritant

Category 3: Mild Irritant

N/A

N/A

19. Serious Eye Damage/Eye Irritation

Category 1: Irreversible Effects on the Eye

Category 2A: Irritating to Eyes

Category 2B: Irritating to Eyes

N/A

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

N/A

N/A

27. Hazardous to the Aquatic Environment

Category Acute 1

N/A

Category Acute 2

N/A

N/A

Category Acute 3

N/A

N/A

Long-Term Aquatic Hazard

N/A

28. Hazardous to the Ozone Layer

Category 1

N/A

Other Hazards

N/A

N/A

N/A

Pyrophoric Gas
Simple Asphyxiant
Combustible Dust

N/A

updated by Austin