Section 6: Products of the Chemical or Allied Industries
Chapter 31: Chapter 31
28 tariff codes in this chapter
| HTS Code | Description | General Rate |
|---|---|---|
| 3101.00.00 | Animal or vegetable fertilizers, whether or not mixed together or chemically treated; fertilizers pr... | Free |
| 3102 | Mineral or chemical fertilizers, nitrogenous: | — |
| 3102.10.00 | Urea, whether or not in aqueous solution | Free |
| 3102.21.00 | Ammonium sulfate | Free |
| 3102.29.00 | Other | Free |
| 3102.30.00 | Ammonium nitrate, whether or not in aqueous solution | Free |
| 3102.40.00 | Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substances | Free |
| 3102.50.00 | Sodium nitrate | Free |
| 3102.60.00 | Double salts and mixtures of calcium nitrate and ammonium nitrate | Free |
| 3102.80.00 | Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution | Free |
| 3102.90.01 | Other, including mixtures not specified in the foregoing subheadings | Free |
| 3103 | Mineral or chemical fertilizers, phosphatic: | — |
| 3103.11.00 | Containing by weight 35 percent or more of diphosphorous pentaoxide (P2O5) | Free |
| 3103.19.00 | Other | Free |
| 3103.90.01 | Other | Free |
| 3104 | Mineral or chemical fertilizers, potassic: | — |
| 3104.20.00 | Potassium chloride | Free |
| 3104.30.00 | Potassium sulfate | Free |
| 3104.90.01 | Other | Free |
| 3105 | Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosph... | — |
| 3105.10.00 | Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding ... | Free |
| 3105.20.00 | Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and p... | Free |
| 3105.30.00 | Diammonium hydrogenorthophosphate (Diammonium phosphate) | Free |
| 3105.40.00 | Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydr... | Free |
| 3105.51.00 | Containing nitrates and phosphates | Free |
| 3105.59.00 | Other | Free |
| 3105.60.00 | Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassium | Free |
| 3105.90.00 | Other | Free |
Check Chapter 31 Rates by Country
Duty rates for Chapter 31 products vary by country of origin. Select a country to see general and preferential rates.