# HS code 2814.20: Ammonia in aqueous solution

> HS code 2814.20 covers ammonia in aqueous solution. It sits in heading 28.14 (ammonia, anhydrous or in aqueous solution) 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 28.14 are classified under 2814.10 (anhydrous ammonia). National tariff lines under 2814.20 are live on border.bot for the United States (1 line, also used by 1 other country).

Source: https://border.bot/hs-codes/281420
Last updated: 11 October 2026

[HS codes](https://border.bot/hs-codes) / [Chapter 28](https://border.bot/hs-codes/28) / [28.14](https://border.bot/hs-codes/2814) / [2814.20](https://border.bot/hs-codes/281420)

## Key facts

- HS code: 2814.20
- Covers: Ammonia in aqueous solution
- Heading: [28.14: Ammonia, anhydrous or in aqueous solution](https://border.bot/hs-codes/2814)
- Chapter: [28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes](https://border.bot/hs-codes/28)
- Edition: HS2022
- Duty in the United States: [See its 1 line](https://border.bot/countries/united-states/hs-codes/281420)

## What this code covers

HS code 2814.20 covers ammonia in aqueous solution.

The legal text of the subheading is “Ammonia in aqueous solution”, in HS2022.

## What it doesn’t cover

Other goods of heading 28.14 are classified under 2814.10 (anhydrous ammonia).

- [2814.10](https://border.bot/hs-codes/281410) Anhydrous ammonia

## How it is structured

2814.20 is a six-digit subheading. Its first two digits, 28, are the chapter; the first four, 2814, are heading 28.14; the last two, 20, identify the subheading within the heading.

Countries add their own digits after these six for their national tariff lines.

- Chapter 28: Inorganic chemicals; organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes
- Heading 28.14: Ammonia, anhydrous or in aqueous solution
- Subheading 2814.20: Ammonia in aqueous solution

## In other countries

National tariff lines under 2814.20 are live on border.bot for the United States (1 line, also used by 1 other country).

- [United States](https://border.bot/countries/united-states/hs-codes/281420): 1 line, used by 1 other country

- Previous subheading: [2814.10](https://border.bot/hs-codes/281410) Anhydrous ammonia
- Next subheading: [2815.11](https://border.bot/hs-codes/281511) Sodium hydroxide (caustic soda): Solid

## Frequently asked questions

### What does HS code 2814.20 cover?

HS code 2814.20 covers ammonia in aqueous solution.

### Which heading and chapter is HS code 2814.20 in?

HS code 2814.20 is in heading 28.14 (ammonia, anhydrous or in aqueous solution) 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 28.14 classified when 2814.20 doesn’t fit?

Other goods of heading 28.14 are classified under 2814.10 (anhydrous ammonia).

### Which countries’ tariffs list national lines under HS code 2814.20?

National tariff lines under 2814.20 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.

Machine-readable: https://border.bot/hs-codes/281420.json