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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	√	√	√	√
7. Flammable Solids	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	√	√	√	√
11. Self-heating Substances and Mixtures	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	√	√	√	√
25. Specific Target Organ Toxicity — Repeated Exposure	Category 2	√	√	√	√
26. Aspiration Hazard	Category 1	√	√	√	√
26. Aspiration Hazard	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

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

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