# United States tariff line 3102.30.00.00: Ammonium nitrate, whether or not in aqueous solution

> In the United States tariff, line 3102.30.00.00 covers ammonium nitrate, whether or not in aqueous solution. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 3102.30 in heading 31.02 (chapter 31).

Source: https://border.bot/countries/united-states/hs-codes/3102300000
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) / [3102.30](https://border.bot/countries/united-states/hs-codes/310230) / [3102.30.00.00](https://border.bot/countries/united-states/hs-codes/3102300000)

## Key facts

- Tariff line: 3102.30.00.00
- Covers: Ammonium nitrate, whether or not in aqueous solution
- Duty (MFN): Free
- Additional duties: None recorded
- Restrictions: None recorded
- Tariff: [United States](https://border.bot/countries/united-states)
- HS subheading: [3102.30](https://border.bot/hs-codes/310230)

## What this line covers

In the United States tariff, line 3102.30.00.00 covers ammonium nitrate, whether or not in aqueous solution.

Its legal text is “Ammonium nitrate, whether or not in aqueous solution”.

## How it is structured

It falls under HS subheading 3102.30 in heading 31.02 (chapter 31). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff.

- Chapter 31: Fertilisers
- Heading 31.02: Mineral or chemical fertilizers, nitrogenous
- Line 3102.30.00.00: Ammonium nitrate, whether or not in aqueous solution

## Duty

Goods under this line enter free of general (MFN) duty.

## In other countries

No other national tariff on border.bot has live lines under 3102.30 yet.

- [The Harmonized System text for 3102.30](https://border.bot/hs-codes/310230)

- Previous line: [3102.29.00.00](https://border.bot/countries/united-states/hs-codes/3102290000) Other
- Next line: [3102.40.00.00](https://border.bot/countries/united-states/hs-codes/3102400000) Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances

## Frequently asked questions

### What does tariff line 3102.30.00.00 cover in the United States tariff?

In the United States tariff, line 3102.30.00.00 covers ammonium nitrate, whether or not in aqueous solution.

### What is the general (MFN) duty on 3102.30.00.00 in the United States?

Goods under this line enter 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/3102300000.json