HS code 2836.99: Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
Last updated
Key facts
- HS code
- 2836.99
- Covers
- Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
- Edition
- HS2022
- Duty in the United States
- See its 6 lines
Summary
HS code 2836.99 covers carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, other than those classified in 2836.91 and 2836.92. It sits in heading 28.36 (carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate) 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 28.36 are classified under 2836.20 (disodium carbonate), 2836.30 (sodium hydrogencarbonate (sodium bicarbonate)), 2836.40 (potassium carbonates), 2836.50 (calcium carbonate) or 3 others. National tariff lines under 2836.99 are live on border.bot for the United States (6 lines, also used by 1 other country).
What this code covers
HS code 2836.99 covers carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, other than those classified in 2836.91 and 2836.92.
The legal text of the subheading is “Other: Other”, read under “Other”, in HS2022.
What it doesn’t cover
Other goods of heading 28.36 are classified under 2836.20 (disodium carbonate), 2836.30 (sodium hydrogencarbonate (sodium bicarbonate)), 2836.40 (potassium carbonates), 2836.50 (calcium carbonate) or 3 others.
How it is structured
2836.99 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2836, are heading 28.36; the last two, 99, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Heading 28.36
- Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate
- Within the heading
- Other
- Subheading 2836.99
- Other
In other countries
National tariff lines under 2836.99 are live on border.bot for the United States (6 lines, also used by 1 other country).
- United States6 lines, used by 1 other country
Frequently asked questions
What does HS code 2836.99 cover?
HS code 2836.99 covers carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate, other than those classified in 2836.91 and 2836.92.
Which heading and chapter is HS code 2836.99 in?
HS code 2836.99 is in heading 28.36 (carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate) 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 28.36 classified when 2836.99 doesn’t fit?
Other goods of heading 28.36 are classified under 2836.20 (disodium carbonate), 2836.30 (sodium hydrogencarbonate (sodium bicarbonate)), 2836.40 (potassium carbonates), 2836.50 (calcium carbonate) or 3 others.
Which countries’ tariffs list national lines under HS code 2836.99?
National tariff lines under 2836.99 are live on border.bot for the United States (6 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.