3102.29.00.00
Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate / Other
Classification path
- Mineral or chemical fertilizers, nitrogenous
- Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate
- Other
Rates of duty
- General (MFN)
- Free
- Column 2Cuba, North Korea, Russia, Belarus
- Free
- Unit of quantity
- t
Related lines in heading 3102
- 3102.10.00.10Urea, whether or not in aqueous solution / Solid ureaFree
- 3102.10.00.30Diesel exhaust fluid (DEF) of a kind meeting ISO 22241Free
- 3102.10.00.50Urea, whether or not in aqueous solution / OtherFree
- 3102.21.00.00Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate / Ammonium sulfateFree
- 3102.30.00.00Ammonium nitrate, whether or not in aqueous solutionFree
- 3102.40.00.00Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substancesFree
- 3102.50.00.00Mineral or chemical fertilizers, nitrogenous / Sodium nitrateFree
- 3102.60.00.00Double salts and mixtures of calcium nitrate and ammonium nitrateFree
- 3102.80.00.00Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solutionFree
- 3102.90.01.00Mineral or chemical fertilizers, nitrogenous / Other, including mixtures not specified in the foregoing subheadingsFree
About heading 3102
Mineral or chemical fertilizers, nitrogenous
Heading 3102 covers mineral or chemical fertilizers that are nitrogenous, such as urea, ammonium sulfate, ammonium nitrate, and sodium nitrate. The heading splits first by the specific nitrogen compound, then, for urea, by physical form or end use, and the listed lines carry a general (MFN) rate of Free.
Full guide to heading 3102Products in this heading
- Solid urea fertilizer
- Diesel exhaust fluid (DEF) meeting ISO 22241
- Ammonium sulfate fertilizer
- Ammonium nitrate fertilizer
- Sodium nitrate fertilizer
- Mixtures of urea and ammonium nitrate in solution
- Calcium nitrate and ammonium nitrate double salts
- Ammonium nitrate mixed with calcium carbonate
Frequently asked questions
What is the HTS code for solid urea fertilizer?
Solid urea is classified under 3102.10.00.10, and the general (MFN) rate is Free.
What is the duty on diesel exhaust fluid made from urea?
Urea solution meeting ISO 22241 as diesel exhaust fluid falls under 3102.10.00.30, with a general (MFN) rate of Free.
How do I classify sodium nitrate fertilizer?
Sodium nitrate is classified under 3102.50.00.00, and the general (MFN) rate is Free.
Source: USITC Harmonized Tariff Schedule, retrieved October 21, 2026.