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HTS heading 3102: Mineral or chemical fertilizers, nitrogenous

Heading 3102 of the US Harmonized Tariff Schedule covers Mineral or chemical fertilizers, nitrogenous. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 3102 at a glance

Goods named in this heading (official line texts): Urea, whether or not in aqueous solution, Ammonium su…, Ammonium nitrate, whether or not in aqueous solution, Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substanc…, Sodium nitrate, Double salts and mixtures of calcium nitrate and ammonium nitrate, Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solution.

Subheadings (6-digit)

All tariff lines in heading 3102

LineDescriptionGeneralSection 301 (China)Exclusions
3102.10.00Urea, whether or not in aqueous solutionFreeList 3 +25%
3102.21.00Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nit…: Ammonium su…FreeList 3 +25%
3102.29.00Ammonium sulfate; double salts and mixtures of ammonium sulfate and ammonium nit…: OtherFreeList 3 +25%
3102.30.00Ammonium nitrate, whether or not in aqueous solutionFreeList 3 +25%
3102.40.00Mixtures of ammonium nitrate with calcium carbonate or other inorganic nonfertilizing substanc…FreeList 3 +25%
3102.50.00Mineral or chemical fertilizers, nitrogenous: Sodium nitrateFreeList 3 +25%
3102.60.00Double salts and mixtures of calcium nitrate and ammonium nitrateFreeList 3 +25%
3102.80.00Mixtures of urea and ammonium nitrate in aqueous or ammoniacal solutionFreeList 3 +25%
3102.90.01Mineral or chemical fertilizers, nitrogenous: Other, including mixtures not specified in the f…FreeList 3 +25%

All of chapter 31 · Chapter 31 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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