Key facts
- HS code
- 2811.19
- Covers
- Other inorganic acids
- Edition
- HS2022
- Duty in the United States
- See its 4 lines
Summary
HS code 2811.19 covers other inorganic acids, other than those classified in 2811.11 and 2811.12. It sits in heading 28.11 (other inorganic acids and other inorganic oxygen compounds of non-metals) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes). Other goods of heading 28.11 are classified under 2811.11 (other inorganic acids, hydrogen fluoride (hydrofluoric acid)), 2811.12 (other inorganic acids, hydrogen cyanide (hydrocyanic acid)), 2811.21 (other inorganic oxygen compounds of non-metals, carbon dioxide), 2811.22 (other inorganic oxygen compounds of non-metals, silicon dioxide) or 1 other. National tariff lines under 2811.19 are live on border.bot for the United States (4 lines, also used by 1 other country).
What this code covers
HS code 2811.19 covers other inorganic acids, other than those classified in 2811.11 and 2811.12.
The legal text of the subheading is “Other inorganic acids: Other”, read under “Other inorganic acids”, in HS2022.
What it doesn’t cover
Other goods of heading 28.11 are classified under 2811.11 (other inorganic acids, hydrogen fluoride (hydrofluoric acid)), 2811.12 (other inorganic acids, hydrogen cyanide (hydrocyanic acid)), 2811.21 (other inorganic oxygen compounds of non-metals, carbon dioxide), 2811.22 (other inorganic oxygen compounds of non-metals, silicon dioxide) or 1 other.
- 2811.11Other inorganic acids: Hydrogen fluoride (hydrofluoric acid)
- 2811.12Other inorganic acids: Hydrogen cyanide (hydrocyanic acid)
- 2811.21Other inorganic oxygen compounds of non-metals: Carbon dioxide
- 2811.22Other inorganic oxygen compounds of non-metals: Silicon dioxide
- 2811.29Other inorganic oxygen compounds of non-metals: Other
How it is structured
2811.19 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2811, are heading 28.11; the last two, 19, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Within the heading
- Other inorganic acids
- Subheading 2811.19
- Other
In other countries
National tariff lines under 2811.19 are live on border.bot for the United States (4 lines, also used by 1 other country).
- United States4 lines, used by 1 other country
Frequently asked questions
What does HS code 2811.19 cover?
HS code 2811.19 covers other inorganic acids, other than those classified in 2811.11 and 2811.12.
Which heading and chapter is HS code 2811.19 in?
HS code 2811.19 is in heading 28.11 (other inorganic acids and other inorganic oxygen compounds of non-metals) in chapter 28 (inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes).
Where are goods of heading 28.11 classified when 2811.19 doesn’t fit?
Other goods of heading 28.11 are classified under 2811.11 (other inorganic acids, hydrogen fluoride (hydrofluoric acid)), 2811.12 (other inorganic acids, hydrogen cyanide (hydrocyanic acid)), 2811.21 (other inorganic oxygen compounds of non-metals, carbon dioxide), 2811.22 (other inorganic oxygen compounds of non-metals, silicon dioxide) or 1 other.
Which countries’ tariffs list national lines under HS code 2811.19?
National tariff lines under 2811.19 are live on border.bot for the United States (4 lines, also used by 1 other country).
Sources and updates
The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.