Key facts
- HS code
- 3104.30
- Covers
- Potassium sulphate
- Chapter
- 31: Fertilisers
- Edition
- HS2022
- Duty in the United States
- See its 1 line
Summary
HS code 3104.30 covers potassium sulphate. It sits in heading 31.04 (mineral or chemical fertilisers, potassic) in chapter 31 (fertilisers). Other goods of heading 31.04 are classified under 3104.20 (potassium chloride) or 3104.90 (other). National tariff lines under 3104.30 are live on border.bot for the United States (1 line, also used by 1 other country).
What this code covers
HS code 3104.30 covers potassium sulphate.
The legal text of the subheading is “Potassium sulphate”, in HS2022.
How it is structured
3104.30 is a six-digit subheading. Its first two digits, 31, are the chapter; the first four, 3104, are heading 31.04; the last two, 30, identify the subheading within the heading.
Countries add their own digits after these six for their national tariff lines.
- Chapter 31
- Fertilisers
- Heading 31.04
- Mineral or chemical fertilisers, potassic
- Subheading 3104.30
- Potassium sulphate
In other countries
National tariff lines under 3104.30 are live on border.bot for the United States (1 line, also used by 1 other country).
- United States1 line, used by 1 other country
Frequently asked questions
What does HS code 3104.30 cover?
HS code 3104.30 covers potassium sulphate.
Which heading and chapter is HS code 3104.30 in?
HS code 3104.30 is in heading 31.04 (mineral or chemical fertilisers, potassic) in chapter 31 (fertilisers).
Where are goods of heading 31.04 classified when 3104.30 doesn’t fit?
Other goods of heading 31.04 are classified under 3104.20 (potassium chloride) or 3104.90 (other).
Which countries’ tariffs list national lines under HS code 3104.30?
National tariff lines under 3104.30 are live on border.bot for the United States (1 line, 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.