Product classification
HS code for Anhydrous ammonia: 2814.10
Ammonia, anhydrous.
Classification of anhydrous ammonia under HS 2814.10
Anhydrous ammonia, a chemical compound with the formula NH₃, is classified under Harmonized System (HS) code 281410. This classification is precise because the HS subheading explicitly states "Ammonia; anhydrous." Anhydrous ammonia refers to ammonia in its pure, water-free state, typically encountered as a gas or a liquid under pressure. It is a fundamental inorganic chemical, widely used in various industrial processes, most notably in the production of fertilizers, as a refrigerant, and in the synthesis of other nitrogenous compounds. Its classification under this specific code reflects its distinct chemical identity as pure ammonia, without the presence of water.
- Covers
- Anhydrous ammonia (gaseous form)
- Anhydrous ammonia (liquid form, under pressure)
- Also under 2814.10
- Yara Anhydrous Ammonia
- CF Industries Anhydrous Ammonia
- Nutrien Anhydrous Ammonia
- OCI Global Anhydrous Ammonia
Codes often confused with 2814.10
Common mistake. A common point of misclassification for anhydrous ammonia is with HS 281420, which covers "Ammonia in aqueous solution." The critical distinction between these two codes lies in the presence or absence of water. Anhydrous ammonia (281410) is pure ammonia without water, whereas ammonia in aqueous solution (281420), also known as ammonia water or ammonium hydroxide, is ammonia dissolved in water. Another potential area of confusion is with products classified under Chapter 31, "Mineral or chemical fertilisers, nitrogenous." While anhydrous ammonia is a primary raw material for nitrogenous fertilizers, when traded as the pure chemical compound, it remains under 281410. If it is part of a formulated fertilizer mixture or solution, it would then be classified under Chapter 31.
Top exporters and importers of HS 281410 (the code used for anhydrous ammonia), 2025
In 2025, the largest exporter of HS 281410 (the code used for anhydrous ammonia) in UN Comtrade data was Trinidad and Tobago, with 19% of world exports; the largest importer in UN Comtrade data was Morocco, with 19% of world imports. Countries that did not report 2025 data are estimated from partner records, which can understate them.
Figures cover everything classified under HS 281410, not only anhydrous ammonia.
Top exporters 2025 · share of world exports
- 1 Trinidad and Tobago $1.3B 19% of world exports
- 2 Saudi Arabia $809M 11% of world exports
- 3 Canada $755M 11% of world exports
World total: $7.1B Reported figures on UN Comtrade ↗
Top importers 2025 · share of world imports
- 1 Morocco $1.7B 19% of world imports
- 2 United States $1.2B 14% of world imports
- 3 India $1.0B 12% of world imports
World total: $8.8B Reported figures on UN Comtrade ↗
How these figures are built
109 countries reported 2025 trade to UN Comtrade in HS 2022, and their own totals are used. Countries that did not report are estimated from what other countries recorded trading with them. Those estimates miss trade with other non-reporting countries, so they can be low, and a non-reporting country can rank higher than shown or be missing from the list. World totals add both and leave out trade between two non-reporting countries. Figures are in current US dollars; reported imports are mostly valued CIF and exports FOB, and exports include re-exports. The UN Comtrade links show the underlying records; they can also list a few reporters left out here (regional groups and older HS editions).
Source: UN Comtrade (United Nations Statistics Division), 2025 annual data.
Brazil NCM code for anhydrous ammonia
Brazil classifies anhydrous ammonia under NCM 2814.10.00: HS 2814.10 with 00 added.
Source: Siscomex NCM table, updated Oct 2026. The Portuguese text on each NCM page is the official one.
EU Regulatory Requirements
This product falls under the Carbon Border Adjustment Mechanism (CBAM). Importers to the EU must declare embedded carbon emissions and purchase CBAM certificates.
Questions about anhydrous ammonia
What is the HS code for Anhydrous ammonia?
The HS code for Anhydrous ammonia is 281410 (Ammonia; anhydrous). The HS code for Anhydrous ammonia is 281410. This code specifically designates ammonia in its pure, water-free form.
How do I classify Anhydrous ammonia for customs?
Anhydrous ammonia is classified under HS code 281410 — Ammonia; anhydrous. This is a 6-digit subheading level code.
What is the key difference between anhydrous ammonia and aqueous ammonia for HS classification?
The key difference for HS classification is the presence of water. Anhydrous ammonia (281410) is pure ammonia without water. Aqueous ammonia (281420) is ammonia dissolved in water, forming a solution. This distinction is crucial for accurate classification.
Which countries are the top exporters of anhydrous ammonia (HS 281410)?
In 2025, the top exporters of HS 281410 (the code used for anhydrous ammonia) in UN Comtrade data were Trinidad and Tobago ($1.3B, 19% of world exports), Saudi Arabia ($809M) and Canada ($755M). World exports came to about $7.1B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Which countries are the top importers of anhydrous ammonia (HS 281410)?
In 2025, the top importers of HS 281410 (the code used for anhydrous ammonia) in UN Comtrade data were Morocco ($1.7B, 19% of world imports), the United States ($1.2B) and India ($1.0B). World imports came to about $8.8B, adding countries' reported figures and partner-based estimates for those that did not report (UN Comtrade data). Countries that did not report 2025 data are estimated from partner records, which can understate them.
Is the HS code for Anhydrous ammonia the same in all countries?
The base HS code 281410 for Anhydrous ammonia is internationally standardized for the first 6 digits across 200+ countries. Individual countries may add additional digits for national tariff lines and specific classifications.
What is the NCM code for anhydrous ammonia in Brazil?
In Brazil, anhydrous ammonia (HS 281410) is classified under NCM 2814.10.00.