2834.29.20.00
Of strontium
Nitrites; nitrates: Nitrates: Other
Duty rates
Column 1 (General / MFN)
4.2%
Column 2 (Non-NTR)
25%
Column 1 (Special / FTA)
Free
Eligible
The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.
Trade measures (Chapter 99)
9903.90.08
35%
Articles the product of the Russian Federation, as provided for in U.S. note 30(a) to this subchapter and as provided for in the subheadings enumerated in U.S. note 30(b) to this subchapter
Applies to origin: RU, BY
Effective from April 5, 2025
9903.03.01
The duty provided in the applicable subheading + 10%
Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.02
The duty provided in the applicable subheading
Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026
Effective from February 24, 2026 through July 24, 2026
9903.03.03
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.04
The duty provided in the applicable subheading
Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.05
The duty provided in the applicable subheading
Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.06
The duty provided in the applicable subheading
Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter
Effective from February 24, 2026 through July 24, 2026
9903.03.07
The duty provided in the applicable subheading
Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter
Applies to origin: CA
Effective from February 24, 2026 through July 24, 2026
9903.03.08
The duty provided in the applicable subheading
Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter
Applies to origin: MX
Effective from February 24, 2026 through July 24, 2026
9903.03.09
The duty provided in the applicable subheading
Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter
Applies to origin: CR, SV, GT, HN, NI, DO
Effective from February 24, 2026 through July 24, 2026
9903.03.10
The duty provided in the applicable subheading
Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering
Effective from February 24, 2026 through July 24, 2026
9903.03.11
The duty provided in the applicable subheading
Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds
Applies to origin: IL
Effective from February 24, 2026 through July 24, 2026
9903.88.03
LIST_1
The duty provided in the applicable subheading + 25%
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Applies to origin: CN
Effective from August 23, 2018
Related CBP rulings
The tariff classification of Calcium Nitrate Tetrahydrate (CAS # 13477-34-4), Copper (II) Sulfate Pentahydrate (CAS # 7758-99-8), Magnesium Sulfate Heptahydrate (CAS # 10034-99-8), Manganese (II) Sulfate Pentahydrate (CAS # 15244-3-7), and Zinc Sulfate Heptahydrate (CAS # 7446-20-0) from an unspecified country
You describe the items as Calcium Nitrate Tetrahydrate (CAS # 13477-34-4), Copper (II) Sulfate Pentahydrate (CAS # 7758-99-8), Magnesium Sulfate Heptahydrate (CAS # 10034-99-8), Manganese (II) Sulfate Pentahydrate (CAS # 15244-3-7), and Zin
The tariff classification of calcium nitrite powder (CAS 13780-06-8) from China
You state in your letter that you plan to import calcium nitrite powder. The sample that you submitted was analyzed by our laboratory.
The tariff classification of Magnesium Nitrate Hexahydrate from Poland
It was determined that your product is not a fertilizer in its imported condition. Magnesium Nitrate Hexahydrate is provided for in heading 2834 in the Harmonized Tariff Schedule (HTS). Additionally this issue is addressed by the Explanator
The tariff classification of Barium Nitrate from China
The tariff classification of Barium Nitrate from China
The tariff classification of X-874, X-875, X-879, MK-9 and DF-102 from Japan
The applicable subheading for X-874 will be 2802.00.0000, Harmonized Tariff Schedule of the United States, (HTS), which provides for Sulfur, sublined or preciptated: colloidal sulfur. The rate of duty will be Free.
The tariff classification of potassium nitrate from Chilewhich according to your letter will be used in metal treatment.
The tariff classification of potassium nitrate from Chilewhich according to your letter will be used in metal treatment.
The tariff classification of calcium nitrate and magnesiumnitrate from West Germany.
The tariff classification of calcium nitrate and magnesiumnitrate from West Germany.
The tariff classification of various chemicals from SouthAfrica.
The tariff classification of various chemicals from SouthAfrica.
Other codes in heading 2834
Duty by origin country
The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 2834.29.20.00 from each major US trading partner.
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