Anhydrous Ammonia for Nitric Acid Production
Technical-grade anhydrous ammonia used as a feedstock in the Ostwald process for nitric acid production. This chemically defined compound, free of water, falls squarely under tariff item 2814.10.00 as anhydrous ammonia, per Chapter 28 notes.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is in aqueous solution rather than anhydrous
Ammonia in aqueous solution is a separate tariff item under the same heading.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Document the chemical purity (typically 99.5% or higher) to confirm classification as anhydrous ammonia
• Ensure the import permits align with Canadian chemical safety regulations for industrial feedstocks
• Keep records of the intended use to avoid misclassification under fertilizer headings
Related Products under Tariff item 2814.10.00
Anhydrous Ammonia for Explosives Manufacturing
High-specification anhydrous ammonia (NH3) in liquefied form, used as a precursor in the production of ammonium nitrate for mining explosives. This product meets the purity standards for a separate chemically defined compound under Chapter 28 and is classified as anhydrous ammonia under tariff item 2814.10.00.
Fertilizer-Grade Anhydrous Ammonia
High-purity anhydrous ammonia formulated for direct agricultural application as a nitrogen fertilizer. As a separate chemically defined compound (NH3) with no water content, it is correctly classified under tariff item 2814.10.00, despite its agricultural end-use.
Industrial Grade Anhydrous Ammonia
Pure anhydrous ammonia (NH3) in liquefied form under pressure, used as a raw material for fertilizers and chemicals. This chemically defined compound, with no water or impurities, is classified under tariff item 2814.10.00 as anhydrous ammonia.
Laboratory-Grade Anhydrous Ammonia
High-purity anhydrous ammonia supplied in small cylinders for laboratory chemical synthesis and research. As a separate chemically defined compound (NH3) in anhydrous form, it falls under tariff item 2814.10.00, consistent with Chapter 28 classification rules.
Pharmaceutical-Grade Anhydrous Ammonia
USP-grade anhydrous ammonia used in pharmaceutical manufacturing and as a reagent in drug synthesis. This pure, chemically defined compound, free of water, is classified under tariff item 2814.10.00 as anhydrous ammonia, per Chapter 28 notes.
Refrigerant-Grade Anhydrous Ammonia (R717)
Ultra-pure anhydrous ammonia used as refrigerant gas R717 in industrial cooling systems. This chemically defined compound (NH3) with no water content is classified under tariff item 2814.10.00 as anhydrous ammonia, despite its use as a refrigerant.