U.S. import tariffs · heading 3105

Heading 3105: Mineral or chemical fertilizers containing two or three of the fertilizing elements…

Every line of heading 3105 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.

Mineral or chemical fertilizers containing two or three of the fertilizing elements nitrogen, phosphorus and potassium; other fertilizers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg

Chapter 31: Fertilizers. Schedule checked on November 8, 2026.

Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →

Tariff lines

HTS codeOfficial descriptionGeneral rate
3105.10.00.00Products of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kgFree
3105.20.00.00Mineral or chemical fertilizers containing the three fertilizing elements nitrogen, phosphorus and potassiumFree
3105.30.00.00Diammonium hydrogenorthophosphate (Diammonium phosphate)Free
3105.40.00Ammonium dihydrogenorthophosphate (Monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (Diammonium phosphate)Free
3105.40.00.10Ammonium dihydrogenorthophosphate (Monoammonium phosphate)
3105.40.00.50Other
3105.51.00.00Containing nitrates and phosphatesFree
3105.59.00.00OtherFree
3105.60.00.00Mineral or chemical fertilizers containing the two fertilizing elements phosphorus and potassiumFree
3105.90.00OtherFree
3105.90.00.10Potassium nitrate-sodium nitrate mixtures
3105.90.00.50Other

Exporting this product from the U.S.?

Exports are reported with Schedule B numbers. Heading 3105 has 8 of them. Schedule B lookup →

  • 3105.10.0000PRODUCTS OF CHAPTER 31 IN TABLETS OR SIMILAR FORMS OR IN PACKAGES OF A GROSS WEIGHT NOT EXCEEDING 10 KG
  • 3105.20.0000MINERAL OR CHEMICAL FERTILIZERS CONTAINING THE THREE FERTILIZING ELEMEMTS NITROGEN, PHOSPHORUS & POTASSIUM
  • 3105.30.0000DIAMMONIUM HYDROGENORTHOPHOSPHATE (DIAMMONIUM PHOSPHATE)
  • 3105.40.0000AMMONIUM DIHYDROGENORTHOPHOSPHATE (MONOAMMONIUM PHOSPHATE) AND MIXTURES THEREOF WITH DIAMMONIUM HYDROGENORTHOPHOSPHATE (DIAMMONIUM PHOSPHATE)
  • 3105.51.0000MINERAL OR CHEMICAL FERTILIZERS CONTAINING NITRATES AND PHOSPHATES
  • 3105.59.0000OTHER MINERAL OR CHEMICAL FERTILIZERS CONTAINING THE TWO FERTILIZING ELEMENTS NITROGEN AND PHOSPHORUS
  • 3105.60.0000MINERAL OR CHEMICAL FERTILIZERS CONTAINING THE TWO FERTILIZING ELEMENTS PHOSPHORUS AND POTASSIUM
  • 3105.90.0000FERTILIZERS, NESOI

Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.

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