Key facts
- HS code
- 2821.10
- Covers
- Iron oxides and hydroxides
- Edition
- HS2022
- Duty in the United States
- See its 5 lines
Summary
HS code 2821.10 covers iron oxides and hydroxides. It sits in heading 28.21 (iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3) 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 28.21 are classified under 2821.20 (earth colours). National tariff lines under 2821.10 are live on border.bot for the United States (5 lines, also used by 1 other country).
What this code covers
HS code 2821.10 covers iron oxides and hydroxides.
The legal text of the subheading is “Iron oxides and hydroxides”, in HS2022.
What it doesn’t cover
Other goods of heading 28.21 are classified under 2821.20 (earth colours).
- 2821.20Earth colours
How it is structured
2821.10 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2821, are heading 28.21; the last two, 10, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Heading 28.21
- Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3
- Subheading 2821.10
- Iron oxides and hydroxides
In other countries
National tariff lines under 2821.10 are live on border.bot for the United States (5 lines, also used by 1 other country).
- United States5 lines, used by 1 other country
Frequently asked questions
What does HS code 2821.10 cover?
HS code 2821.10 covers iron oxides and hydroxides.
Which heading and chapter is HS code 2821.10 in?
HS code 2821.10 is in heading 28.21 (iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3) 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 28.21 classified when 2821.10 doesn’t fit?
Other goods of heading 28.21 are classified under 2821.20 (earth colours).
Which countries’ tariffs list national lines under HS code 2821.10?
National tariff lines under 2821.10 are live on border.bot for the United States (5 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.