HS 28.04

Hydrogen, rare gases and other non-metals

11 subheadings · Chapter 28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes

WCO HS 202211 subheadings
ℹ Many substances in this chapter (inorganic chemicals) may be classified as dangerous goods under ADR. Common hazard classes include Class 5.1 (oxidising), Class 6.1 (toxic), and Class 8 (corrosive). Always check individual substance classification before transport. Check ADR classification →
Classification is the shipper’s legal responsibility. This reference is based on common HS-ADR correlations from public regulatory data. Always verify against the current ADR, IMDG Code, or IATA DGR and consult a qualified DGSA where required.
HS 28.04WCO HS 2022
Hydrogen, rare gases and other non-metals
Subheadings
11
6-digit subheadings under this heading
Chapter
28
Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes
Section
VI
Products of the chemical or allied industries
Level
Heading
4-digit heading (WCO HS 2022)
World Customs Organization (HS 2022)checked 2026-07-24verified

Subheadings

28.04.10
Hydrogen
→
28.04.21
Gases, rare; argon
→
28.04.29
Gases, rare; other than argon
→
28.04.30
Nitrogen
→
28.04.40
Oxygen
→
28.04.50
Boron; tellurium
→
28.04.61
Silicon; containing by weight not less than 99.99% of silicon
→
28.04.69
Silicon; containing by weight less than 99.99% of silicon
→
28.04.70
Phosphorus
→
28.04.80
Arsenic
→
28.04.90
Selenium
→
← Chapter 28: Inorganic chemicals; organic and inorganic compounds of precious metals; of rare earth metals, of radio-active elements and of isotopes

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