HS 28.11

Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810

6 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 20226 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 28.11WCO HS 2022
Inorganic acids and other inorganic oxygen compounds of non-metals; n.e.c. in heading no. 2806 to 2810
Subheadings
6
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

28.11.11
Hydrogen fluoride (hydrofluoric acid)
→
28.11.12
Hydrogen cyanide (hydrocyanic acid)
→
28.11.19
Inorganic acids; other than hydrogen fluoride
→
28.11.21
Carbon dioxide
→
28.11.22
Silicon dioxide
→
28.11.29
Inorganic oxygen compounds; of non-metals, n.e.c. in item no. 2811.2
→
← 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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