Home/HTS/ Ch. 28/2811

2811 · Other inorganic acids and other inorganic oxygen compounds of nonmetals:

This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.

Subordinate codes (6)

CodeDescription
2811.11.00.00Hydrogen fluoride (Hydrofluoric acid)
2811.12.00.00Hydrogen cyanide (hydrocyanic acid)
2811.19Other:
2811.21.00.00Carbon dioxide
2811.22Silicon dioxide:
2811.29Other:

Frequently asked

What does 2811 cover?
Other inorganic acids and other inorganic oxygen compounds of nonmetals:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
Where does this data come from?
Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.