# HTS 3102: Mineral or chemical fertilizers, nitrogenous:

https://geopax.app/tariffs/catalog/31/3102

Source: [2026 HTS Revision 21 (October 9, 2026)](https://hts.usitc.gov/search?query=3102). Additional duties by country of origin may apply; estimate a shipment's full duty with the tariff calculator: https://geopax.app/tariffs/calculator

## 3102: Mineral or chemical fertilizers, nitrogenous:

| Code | Description | General | Special | Column 2 | Units |
| --- | --- | --- | --- | --- | --- |
| 3102 | Mineral or chemical fertilizers, nitrogenous: |  |  |  |  |
| 3102.10.00 |   Urea, whether or not in aqueous solution | Free |  | Free |  |
| 3102.10.00.10 |     Solid urea | Free |  | Free | t |
|  |     Other: | Free |  | Free |  |
| 3102.10.00.30 |       Diesel exhaust fluid (DEF) of a kind meeting ISO 22241 | Free |  | Free | t |
| 3102.10.00.50 |       Other | Free |  | Free | t |
|  |   Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nitrate: |  |  |  |  |
| 3102.21.00.00 |     Ammonium sulfate | Free |  | Free | t |
| 3102.29.00.00 |     Other | Free |  | Free | t |
| 3102.30.00.00 |   Ammonium nitrate, whether or not in aqueous solution | Free |  | Free | t |
| 3102.40.00.00 |   Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances | Free |  | Free | t |
| 3102.50.00.00 |   Sodium nitrate | Free |  | Free | t |
| 3102.60.00.00 |   Double salts and mixtures of calcium nitrate and ammonium nitrate | Free |  | Free | t |
| 3102.80.00.00 |   Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | Free |  | Free | t |
| 3102.90.01.00 |   Other, including mixtures not specified in the foregoing subheadings | Free |  | Free | t |