# United States tariff lines under HS 3104.20

> The United States tariff splits HS 3104.20 (potassium chloride) into 2 national lines: 3104.20.00.10 (containing not more than 62 percent by weight of potassium oxide (K2O)) and 3104.20.00.50 (containing more than 62 percent by weight of potassium oxide (K2O)). Every United States line under 3104.20 is free of general (MFN) duty.

Source: https://border.bot/countries/united-states/hs-codes/310420
Last updated: 9 October 2026

[Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 31](https://border.bot/countries/united-states/hs-codes/31) / [3104.20](https://border.bot/countries/united-states/hs-codes/310420)

## Key facts

- HS subheading: [3104.20](https://border.bot/hs-codes/310420)
- Duty (MFN): Free
- National lines: 2
- Tariff: [United States](https://border.bot/countries/united-states)
- Chapter: 31: Fertilisers

## United States lines under 3104.20

The United States tariff splits HS 3104.20 (potassium chloride) into 2 national lines: 3104.20.00.10 (containing not more than 62 percent by weight of potassium oxide (K2O)) and 3104.20.00.50 (containing more than 62 percent by weight of potassium oxide (K2O)).

Every United States line under 3104.20 is free of general (MFN) duty.

- [3104.20.00.10](https://border.bot/countries/united-states/hs-codes/3104200010) Potassium chloride, Containing not more than 62 percent by weight of potassium oxide (K2O). Duty (MFN): free
- [3104.20.00.50](https://border.bot/countries/united-states/hs-codes/3104200050) Potassium chloride, Containing more than 62 percent by weight of potassium oxide (K2O). Duty (MFN): free

## In other countries

No other national tariff on border.bot has live lines under 3104.20 yet.

- [The Harmonized System text for 3104.20](https://border.bot/hs-codes/310420)

- Previous subheading: [3103.90](https://border.bot/countries/united-states/hs-codes/310390) Mineral or chemical fertilizers, phosphatic
- Next subheading: [3104.30](https://border.bot/countries/united-states/hs-codes/310430) Mineral or chemical fertilizers, potassic

## Frequently asked questions

### How many national tariff lines does the United States tariff have under HS 3104.20?

The United States tariff splits HS 3104.20 (potassium chloride) into 2 national lines: 3104.20.00.10 (containing not more than 62 percent by weight of potassium oxide (K2O)) and 3104.20.00.50 (containing more than 62 percent by weight of potassium oxide (K2O)).

### What is the duty on HS 3104.20 in the United States?

Every United States line under 3104.20 is free of general (MFN) duty.

## Sources and updates

The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026.

This page was last updated on 9 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.

Official source files:

- https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false

Machine-readable: https://border.bot/countries/united-states/hs-codes/310420.json