2814.10.00.00
Ammonia, anhydrous or in aqueous solution / Anhydrous ammonia
Classification path
- Ammonia, anhydrous or in aqueous solution
- Anhydrous ammonia
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- Free
- Unit of quantity
- t
Related lines in heading 2814
About heading 2814
Ammonia, anhydrous or in aqueous solution
Heading 2814 covers ammonia, whether anhydrous or dissolved in water. It has two declarable lines: 2814.10.00.00 for anhydrous ammonia and 2814.20.00.00 for ammonia in aqueous solution. Both lines carry a general (MFN) duty rate of Free.
Full guide to heading 2814Products in this heading
- Anhydrous ammonia for refrigeration
- Anhydrous ammonia fertilizer grade
- Ammonia water (aqueous ammonia solution)
- Ammonia solution for laboratory use
- Ammonia water for textile processing
- Ammonia solution for pH control
- Ammonia water for cleaning
Frequently asked questions
What is the HTS code for anhydrous ammonia?
Anhydrous ammonia is classified under 2814.10.00.00. The general (MFN) duty rate for that line is Free.
What is the duty on ammonia in aqueous solution?
Ammonia in aqueous solution is classified under 2814.20.00.00. Its general (MFN) duty rate is Free.
How do I classify ammonia solution?
Use 2814.20.00.00 for ammonia dissolved in water, with a general (MFN) rate of Free. Use 2814.10.00.00 only for anhydrous ammonia, also Free.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.